It’s out of sight and out of mind, and it might just be killing people.
For decades, American factories have been sending their wastewater to municipal sewage treatment plants across the country, which handle it along with the effluent from other industries, homes and businesses. At the other end of the process, the separated and dried-out solids are often delivered to farmers as free fertilizer. The land application of this “sewage sludge” has long been encouraged by environmental regulators as a way to deal with what would otherwise be a vexing waste disposal problem.
Yet not all of that wastewater, or the sludge that becomes fertilizer, is benign. An increasing number of industries discharge effluent laced with toxic per- and polyfluoroalkyl substances (PFAS), which most treatment plants aren’t equipped to remove. PFAS are notoriously long-lasting, so much so that they are nicknamed “forever chemicals.” And now some states are finding that PFAS-laced sewage sludge is contaminating farmland and poisoning consumers.
PFAS are a relatively new class of synthetic chemical, emerging commercially in the 1950s to find their way into a wide range of useful products, including non-stick pans (most notoriouslyTeflon), waterproof clothing, stain-resistant fabrics and firefighting chemicals. Unfortunately, exposure to PFAS has been shown to cause an almost equally-wide range of environmental and human health harms, including cancer, kidney disease, thyroid disease, reproductive problems and obesity.
After years of foot-dragging, the U.S. Environmental Protection Agency finally took action against two early types of PFAS that had already fallen out of use, setting drinking water standards for those and a few others. At the same time, however, chemical companies have been turning out literally thousands of new iterations that have been little studied and remain largely unregulated. PFAS have become so ubiquitous in the environment that scientists estimate 98% of Americans — and even some newborns — have detectable levels in their blood.
In recent years, public health advocates have started to worry that PFAS may also be entering our food supply via the sewage sludge applied to farmland. According to the New York Times, five states – Texas, Michigan, New York, Maine and Tennessee – have detected PFAS on farmland treated with sewage sludge, sometimes in high levels. Crops grown in contaminated soil absorb the chemicals and pass them up the food chain.
In Maine and Michigan, officials shut down farms after finding high concentrations of PFAS in the soil and in the meat of grazing animals. Maine officials found contamination on 56 farms and in 23% of more than 1,500 groundwater samples taken from farms and residences.
In 2022, Maine banned the use of sewage sludge on agricultural land and prohibited most uses of PFAS in consumer products starting in 2030. The state is now working with affected farmers to compensate them or find alternative uses for contaminated land. Officials note that the testing programs are just beginning and fear that they may be seeing only the tip of the iceberg.
The New York Times did not include Virginia among the states known to have PFAS-contaminated farmland. That’s not because we don’t have a problem. Rather, it’s because the Virginia Department of Environmental Quality (DEQ), which issues permits to municipal wastewater treatment plants, doesn’t require sludge to be tested.
What little we do know is cause for concern. The conservation group Wild Virginia analyzed data submitted to DEQ in 2022 by a small number of drinking water and wastewater treatment plants that voluntarily tested their effluent. Limited and incomplete as it was, the information revealed that 20 of the 21 wastewater treatment plants that tested for PFAS found significant concentrations in their effluent. Only 8 of the plants also tested their sludge, but all 8 reported significant concentrations of PFAS.
I talked by phone with David Sligh, Wild Virginia’s conservation director and a former DEQ employee, who told me the group plans to publish a report on this problem in the coming week. DEQ, he said, has the authority to regulate PFAS in treatment plants’ effluent and sludge and should be doing so to protect the public. His group has joined other members of the Virginia Conservation Network in calling on DEQ “to place the responsibility and cost of cleaning up PFAS on the industries that use and manufacture PFAS by requiring PFAS disclosure, monitoring, and limits in pollution discharge permits.”
DEQ, however, seems to be in no hurry. Neil Zahradka, manager of the land applications program at DEQ, wrote in an email to Tyla Matteson, a Sierra Club volunteer who works on sewage sludge issues, “To date, DEQ has relied upon the EPA biennial reviews to determine if additional regulation of biosolids is necessary beyond that contained in current permits, and no additional limits or criteria for PFAS have been set. … [A]ccording to the EPA PFAS Strategic Roadmap, they plan to complete the risk assessment for PFAS in biosolids this year. We do plan to update the DEQ biosolids fact sheet once we have additional substantive information to offer landowners.”
Waiting for EPA to act first is convenient, but it does a grave disservice to Virginians. EPA itself has stalled for so long that Potomac Riverkeeper, Public Employees for Environmental Responsibility (PEER) and other groups finally sued the agency this year for its failure to regulate PFAS in sewage sludge used as fertilizer. According to PEER, EPA identified 10 different types of PFAS among some 250 pollutants contaminating sewage sludge, yet insists it is only obligated to identify the toxics in sewage sludge, not do anything about it.
I suspect EPA and DEQ’s hesitance is due to the fear of what they would find in any extensive testing program. If testing confirmed widespread contamination in sewage sludge, DEQ would – one hopes – feel obligated to stop the practice of spreading it across the farms that produce our food. After all, if you identify a poison in your product, the answer is probably not to spread it among as many people as possible.
Annoying as it would be for DEQ, industry and even farmers to learn the truth, though, the alternative is worse. PFAS can be removed, either in the wastewater treatment process or, ideally, before it leaves its industrial source. Not testing and treating means needlessly exposing farmers, their families and their animals – and ultimately all the rest of us – to chemicals that have no safe level of exposure.
Given what we know about the harms PFAS causes, DEQ’s inaction is inexcusable. If Maine can tackle this threat to its land and people, surely Virginia can do it as well. We should expect no less.
This article was originally published in the Virginia Mercury on September 26, 2024.
Drill down far enough into the earth, and you will hit hot rocks. Energy companies have used this heat to generate carbon-free electricity for more than a century. It’s an elegant concept, but it worked only where pockets of heat lay close to the surface, accompanied by steam ready-made to turn turbines. Those limitations confined geothermal power plants to geologically active areas like Iceland, parts of Indonesia, and a few locations in the American West. As of 2023, geothermal energy made up less than half of 1% of U.S. electricity generation.
Suddenly, that is changing. New technology derived from oil and gas fracking methods is allowing energy companies to drill deep into the earth in places far from geologic activity. Wells can reach miles beneath the surface before branching out horizontally and creating fissures in hard, hot rock. Water injected into the wells comes back to the surface as steam to generate electricity. The steam is recaptured and re-injected to take up heat again, in a virtuous cycle powered by the earth itself.
The benefits
These “enhanced geothermal” systems can produce 24/7 baseload electricity or fill in around variable sources like wind and solar. They can even be used like batteries to store energy, including for long durations.
Unlike drilling for fossil fuels, geothermal companies avoid the shale formations that hold hydrocarbons, instead targeting non-porous rock. And since the product is not fossil fuel but steam, the technology produces zero-carbon energy without toxic or radioactive waste.
Freed from geographic limitations and using the same technology and workforce as the oil and gas industry, geothermal energy is ready to take off fast. The U.S. Department of Energy (DOE) sees it spreading across the country to provide as much as 125 gigawatts (GW) of electricity by 2050. A global estimate suggests the industry could eventually produce 4,600 GW of electricity at a cost of 50 euros (around $55) per megawatt-hour or less.
In 2022 DOE launched an “Earthshot Initiative” to reduce the cost of enhanced geothermal energy in the U.S. to $45 per megawatt-hour (MWh) by 2035. If successful, that would put it at or below the cost of any other new, dispatchable energy source.
Is this technology the answer to the surging demand for electricity from data centers and artificial intelligence? And could it allow Virginia to keep adding data centers without blowing up its climate goals?
The challenges
We do have to keep in mind that not all silver bullets prove to be sterling. Small modular nuclear reactors (SMRs) are evidence that some highly-anticipated technologies don’t follow the rosy timelines and price projections their boosters promise.
Unlike SMRs, though, enhanced geothermal systems have already achieved commercial deployment. After successfully demonstrating the technology with a 3.5 MW pilot facility, Fervo Energy signed a contract last year with Google to provide electricity for its data centers from a 115-MW enhanced geothermal power plant in Nevada. Fervo will deliver the power to the local utility, NV Energy, which will then charge a slightly higher price to Google via a proposed new “clean transition tariff.” Fervo has also signed a deal for an even bigger project that will deliver 400 MW to California utilities.
Using a different fracking-based technology it calls a “Geopressured Geothermal System,” Houston-based Sage Geosystems recently agreed to supply 150 MW of power for Meta’s data centers beginning in 2027. Sage says it can make electricity not just by extracting heat but also by using pressure, an add-on technology that allows it to offer energy storage independent of steam production.
Both Fervo and Sage say their methods can be used almost anywhere, and both cite advantages over established energy sources. Like wind and solar, geothermal is renewable and carbon-free, but it isn’t dependent on weather. It also doesn’t require fuel sources like coal and gas that are highly polluting and sometimes unreliable in extreme weather.
Finally, with a small physical footprint relative to the energy produced, geothermal facilities could be located in urban areas or next to data centers and other large customers without the need for major new transmission lines.
But of course, the fact that geothermal technology can be used anywhere does not mean it can be deployed profitably everywhere, or at least not yet. A map compiled by the National Renewable Energy Laboratory shows the most ideal areas are still in the West, where hot rocks lie within a few kilometers of the Earth’s surface. In most of the eastern U.S., deeper wells would be needed to reach the same temperatures. For this reason, DOE sees the technology proving out in the West first before spreading east.
But favorability is not purely a function of geology, according to Ben Serrurier, manager of government affairs and policy at Fervo. I wanted to know how soon geothermal systems could start providing electricity to the world’s largest concentration of data centers, in Northern Virginia. He said the biggest impediment for the industry is not location, but the high cost of capital and the paucity of government support compared to SMRs, hydrogen, and other new technologies.
In spite of these challenges, Serrurier predicted geothermal would be deployed in Virginia by the latter part of the 2030s, noting that his company is already ahead of DOE’s projected timeline for the technology’s maturation. Eastern data centers present an especially attractive market, he said, because demand is increasing so quickly, and utilities have limited options for carbon-free energy.
Alas, observers of the data center industry know that while renewable energy is nice to have, cheap energy is even nicer. So I wanted to talk about cost.
Serrurier told me Fervo’s first project will deliver power to NV Energy at a price of $107 per MWh, and Google will pay slightly more than that to the utility. That is twice DOE’s target cost for 2035, yet it still puts the price below the U.S average of 13.1 cents per kilowatt-hour ($131 per MWh) for commercial customers, and competitive with the average Nevada commercial rate of 10.92 cents, according to Energy Information Agency data.
That price is, however, more than the 9.54 cents/kWh that the average commercial customer in Virginia pays for electricity derived primarily from fossil fuels. And Fervo’s price is for drilling in the West, not in the less favorable geology of the East.
But heck, anywhere in the country, 10.7 cents for zero-carbon baseload power — with no waste to be cleaned up and no added healthcare costs from pollution — still sounds compelling. Google may have chosen to be a first mover in order to show leadership and promote a new technology, but it is also locking in a solid deal.
Sage does not make its costs public, but Lance Cook, the company’s chief technical officer, told me their process is competitive with combined cycle gas plants when the cost of fossil gas is above $6 per thousand cubic feet. (According to the Energy Information Agency, the price of gas is currently below that level in most states, though gas prices are famously volatile.)
An additional benefit, said Cook, is that a geothermal plant could be co-located with a data center, foregoing a grid connection and obviating the need for transmission lines. “We can turn electricity into data,” he told me. “It is much easier to connect data than to wait for a grid connection.”
Both Cook and Serrurier are confident that geothermal will beat new nuclear price-wise, which today sounds like a safe bet. Analysts warn that cost continues to be a significant issue for the nuclear industry. Current projections for the cost of electricity from SMRs start at $142/MWh.
Cook noted that Sage’s technology can also provide long-duration energy storage that isn’t dependent on the heat of the earth. This approach can be used anywhere to turn solar and wind power into baseload energy. Sage’s website claims it can achieve this for less than the cost of batteries or pumped hydro.
With all this promise, enhanced geothermal has been slow to catch the attention of Virginia utilities and policy-makers. The Virginia Code includes geothermal energy in its definition of renewable energy, but enhanced geothermal is not on the list of energy sources that qualify for the state’s renewable portfolio standard (RPS).
The General Assembly did pass legislation this year from Senate Majority Leader Scott Surovell, D-Fairfax, to include a similarly-named, but quite different, kind of geothermal energy – geothermal heating and cooling systems, also known as ground-source heat pumps – in the RPS. Geothermal heat pumps use the near-constant temperature of the ground just a few feet under our feet to help heat and cool buildings, much as air-source heat pumps do but with greater efficiency. A working group under the auspices of the State Corporation Commission is currently trying to figure out how to award renewable energy certificates (RECs) for a technology that does not produce electricity.
But drilling down two miles or more and generating electricity at the utility level is quite another thing. Making enhanced geothermal systems eligible for the RPS would be essential to putting the technology on an even footing with other renewables for use in Virginia.
In an email, Surovell told me, “I have read about the Google geothermal project and believe there is significant potential in Virginia.I understand it is different, but we need to do all we can to try to meet the demand for energy created by data centers without upsetting the carbon-free goals we set with the Virginia Clean Energy Act.” He added, “Geothermal also has the potential to create thousands of well-paying trade jobs in drilling and pipefitting in the Commonwealth.”
I also contacted Dominion Energy Virginia to gauge the utility’s level of interest. Dominion is facing an enormous challenge to meet the explosion of demand from data centers. Its 2023 integrated resource plan (IRP) proposed building new gas plants as early as 2028 and an SMR in 2034, but no geothermal energy. The plan failed to meet the carbon-cutting requirements of Virginia law, so the company ought to see the need to up its game for its 2024 IRP, due in October.
Dominion’s answer was not encouraging. Aaron Ruby, Dominion’s director of Virginia and offshore wind media, responded with an email that made reference to the working group for geothermal heat pump RECs.
“We’re certainly looking at the potential for geothermal in Virginia. The SCC is leading a geothermal working group, and there are lots of knowledgeable experts taking a close look. Most of the potential in Virginia appears to be geothermal heat pumps, with maybe less potential for power generation. The process is ongoing, so still more to learn.”
Echoing Gov. Glenn Youngkin’s rhetoric on energy, he added, “As you know, we’re experiencing an unprecedented growth in power demand. Reliably serving that growth requires an ‘all of the above’ approach, including offshore wind, solar, battery storage, next generation nuclear and natural gas. Emerging technologies like clean hydrogen, longer-duration storage and geothermal could also play a role.”
It’s not a great sign that Dominion ranks geothermal dead last. The company seems quite content to keep adding data centers to its customer base with no plan to meet its climate commitments.
Data center developers, on the other hand, could vote with their metaphorical feet. If Dominion will not bring geothermal technology to Virginia data centers, maybe the data centers will go to the geothermal technology. Some data center operators say they need to be in Virginia to be close to customers in the East, but the industry’s rapid spread into other states shows many have flexibility. So why should they face public opposition and rising electricity rates in Virginia when they can go to Utah, Nevada or Texas to access low-cost, zero-carbon energy delivered 24/7 from a source that might even be located onsite?
Especially since, in so doing, they would provide the capital and demand required for enhanced geothermal to achieve DOE’s goals ahead of time, and hasten the day when Dominion presents an IRP with a real zero-carbon plan.
This article was previously published in the Virginia Mercury on September 10, 2024.
The human population of the Earth passed 8 billion in 2022, up from 7 billion in 2011 and less than 2 billion just a century ago. The United Nations projects that by 2050, the world will hit 9.7 billion people and continue rising to 10.9 billion in 2100. The average number of children women have in their lifetimes remains above the replacement rate of 2.1.
So why is there so much hand-wringing about a population bust?
It is true that population trends are uneven across the world, and some European and East Asian countries are struggling to address a decline in numbers. This is not the case in the U.S., however. Although our birth rate has been below the replacement rate for years, the Census projects our population increasing by another 33 million before it peaks in 2080. By 2100, the Census expects there will still be almost 10% more people in the U.S. than there are today.
Frankly, it’s more than a little odd to worry about something that won’t happen for at least three-quarters of a century, while ignoring that in the meantime, an ever-growing population using too many resources is pushing the planet to the brink of ecological collapse. You would think we could worry about that now, and save the hysterics over population decline for the next century.
Yet conservatives see the sky falling. The fear is most palpable among white supremacists spouting replacement theory, the notion that pale-skinned people, who are having fewer children, will be swamped by brown people, who are having more. They are pretty sure this is, in fact, a nefarious plan concocted by Jewish people, who apparently don’t count as white, with a goal of destroying Western civilization and all the great things that America stands for — by which they definitely do not mean democracy and civil rights.
Even some liberal Americans say they’re worried about the birth rate, and argue we need child tax credits, mandatory parental leave and publicly-subsidized daycare to reverse the decline. Of course, progressives support these policies anyway, so it’s hard to know how sincere their concern over birth rates really is.
I’m not sure about the sincerity on the right, either. Most of the people who express alarm about a declining birth rate are red-state Republicans who celebrate rural living and the small-town lifestyle. They hate traffic and the plethora of rules necessary to make life tolerable in crowded communities.
Meanwhile, I guarantee you no one in New York or LA looks around and says, “You know what would make this place better? More people!”
Of course, the pro-population-growth crowd absolutely rejects the one sure way to increase the US population: allowing more immigrants in.
They say it’s not racism. Theirs is just a preference for people who look like them, sound like them and do things the way they do them.
Yet immigration does all the things that the population alarmists say we need. It fills schools with children, bolsters the workforce, and keeps contributions flowing to Social Security and Medicare, extending the solvency of these programs.
Vastly more would-be immigrants are knocking at our doors than we are willing to allow in, and the numbers will only increase as climate change and the collapse of ecosystems spark further conflict and make it harder to eke out a living in more parts of the world. Countries that are able and willing to absorb the outflow of migrants from devastated areas will not be challenged by depopulation.
The U.S. is home to more migrants than any other country. Clearly many Americans, themselves descended from immigrants, are ready to shut the door behind them, but economists agree immigration is the secret sauce of our economic strength. That doesn’t mean the doors need to be wide open, with no one managing the flow, or that we shouldn’t try to help solve the crises that drive people to leave their home countries in the first place. And we still urgently need to work on transforming our consumption-based economy into a sustainable one.
But it does mean we needn’t fear a population bust in our lifetimes. While other advanced countries are figuring out how to retool their economies for a shrinking population, we will always have the numbers we desire, so long as we remain a society committed to equal opportunity, democracy and the striving for justice.
Obviously, this is not what the nativist right wants. But what they want — more American-born babies and limitless population growth, achieved by controlling women’s bodies rather than by strengthening the welfare state — is a fantasy served up with a helping of bad policy.
This article was previously published in the Virginia Mercury on August 20, 2024.
Greenpeace protesters at the site of Amazon’s HQ2 in Arlington, Virginia, in 2019 called out the company for failing to make progress towards its commitment to power the cloud with renewable energy. Since then, the company has actually increased its carbon emissions. Photo courtesy of Greenpeace.
When Amazon announced this month that it had achieved 100% renewable energy seven years ahead of schedule, that sounded like really good news for Virginia. Amazon owns more data centers here than anyone else, and data center energy demand is driving Dominion Energy Virginia’s plan to renege on its climate commitments, keep dirty coal plants online and build expensive new gas plants and transmission lines.
Unfortunately, Amazon’s announcement is so full of asterisks it looks like a starry night.
Let’s start with the good news. Amazon’s claim that it has purchased enough renewable energy to “match” its energy use is likely true, though its sustainability report doesn’t reveal essential details like how much energy the company uses. Amazon also says it is the largest corporate purchaser of renewable energy in the world, an impressive achievement.
Some of that renewable energy is in Virginia, so it is reasonable to say it serves the company’s data centers here. A map on Amazon’s website shows the company has invested in 19 solar farms in Virginia, with a capacity that totals around 1,386 MW – about a quarter of all solar installed in Virginiato date. That’s terrific. If every company operating in Virginia did as much, we’d be rolling in solar, figuratively speaking.
So what am I complaining about?
One problem is that the energy appetite of Amazon’s data centers in Virginia far outstrips the output of all of its solar farms here. The other problem is that producing renewable energy in the middle of the day can only very loosely be said to “match” energy used at other times of the day and night. Meeting energy demand on a 24/7 basis is harder, and Amazon isn’t even trying.
Let’s start with the numbers. Because the sun doesn’t shine all the time, a large solar array produces, on average, 22-25% of what it produces on a cloudless day at noon. (That percentage is known as the facility’s capacity factor.) At a 25% capacity factor, Amazon’s 1,386 MW worth of solar panels produce enough electricity to “match” about 347 MW of demand.
Amazon keeps its energy demand in Virginia a secret, but we can be pretty sure its 110 data centers here use way more than that. A 2019 Greenpeace report estimated Amazon’s Virginia data center demand at 1,700 MW in operation or under construction, an amount that would call for 6,800 MW of solar. Amazon rejected Greenpeace’s estimate at the time, but it didn’t supply a better one. More recent estimates suggest Amazon’s energy appetite in Virginia is on its way to 2,700 MW, enough to require the output of around 11,000 MW of solar.
Luckily for us, Virginia is part of PJM, a regional transmission grid that covers all or parts of 13 states plus Washington, D.C. Generation sources located anywhere in the region can serve a Virginia customer, and Amazon’s map shows it has utility solar and wind projects in several PJM states. By my count, these add up to as much as 4,000 MW of additional renewable energy that could be allocated to Virginia data centers, if Amazon had no other operations in those states that it wanted to power. (Which, however, it does.)
Adding together its solar in Virginia and elsewhere in PJM still leaves Amazon short of what it likely needs. So, if the company is correct that it has secured enough renewable energy to match all of its demand, a lot of those facilities must be in other regions or other countries. Yet the climate benefit of Amazon’s solar farms in (for example) Spain, which gets more than 50% of its electricity from renewable energy, is significantly less than the climate benefit of solar in PJM, where the percentage of wind and solar combined still hangs in the single digits.
I will – almost – give Amazon a pass on this point. PJM has been so appallingly slow to approve new generation that Amazon could well have as many projects in the “queue” as online. PJM claims it will catch up in the next year and a half, and when that happens, perhaps Amazon won’t feel the need to obfuscate.
Even if Amazon were “matching” all its energy needs with wind and solar in PJM, though, it’s the second problem that troubles me more. Building solar and wind is cheap; Amazon very likely makes a profit on it. Actually ensuring renewable energy provides all the juice for the company’s operations every hour of every day, on the other hand, would require a heck of a lot of expensive energy storage. And Amazon is not doing that.
Without energy storage, solar delivers electricity only while the sun is shining. The rest of the time, Amazon’s data centers run on whatever resource mix the local utility uses. In both Virginia and PJM’s territory, fossil fuels make up the great majority of the mix. Building more Amazon data centers in Virginia increases the burning of fossil fuels, causing more pollution and raising costs that are borne by the rest of us.
The self-styled climate hero turns out to be a climate parasite, harming people to make itself look good.
Combining renewable energy with storage to achieve true carbon neutrality isn’t prohibitively expensive. Other leading tech companies seem to be making that extra effort, with Google notable for its commitment to meeting its energy demand with renewable energy and storage on a 24/7 basis.
Amazon’s failure to rise to this challenge explains why, in spite of its massive investments in wind and solar, the company’s carbon footprint actually rose by 34% since the launch of its Climate Pledge in 2019, when it set a target of net zero carbon emissions by 2040.
That explains why, a year ago, the Science Based Targets initiative, a U.N.-backed organization that monitors corporate net-zero plans, removed Amazon from a list of companies taking action on climate goals. According to press reports, Amazon failed “to implement its commitment to set a credible target for reducing carbon emissions.”
Among those least impressed with the company’s efforts are its own workers. Last year, Amazon Employees for Climate Justice accused the company of failing in its climate commitments, and the group released its own report this month alleging multiple climate failures, including using “creative accounting” to inflate its achievements.
If Virginia is serious about meeting the climate challenge, we can’t blindly accept rosy claims from corporations whose central goal is not sustainability, but growth. Data centers whose energy demand isn’t met on a 24/7 basis from zero-carbon sources located on the same grid are not part of the climate solution, they are part of the problem. And currently, Amazon’s data centers are making the problem worse.
This article was first published in the Virginia Mercury on July 24, 2024.
A data center in Ashburn, Virginia. Photo by Hugh Kenny, Piedmont Environmental Council.
Somehow, we were not prepared for this. Artificial intelligence was in development for decades, during which time we fantasized about all the wonderful things it was going to do for us. And then the bots launched almost fully formed like Athena springing from the forehead of Zeus with her sword in hand, and only then did we have our epiphany: Oh man, this is not going to go well.
What happened to the AI utopia? We were expecting self-driving cars that would let us drink too much on nights out while eliminating highway fatalities. We anticipated the seamless integration of all our devices and appliances, maybe even without cords! We imagined an unlocking of efficiencies at home and at work; medical breakthroughs; scientific innovation on steroids. We’d have three-day workweeks and go hiking on the weekends while the robots cooked and cleaned.
Maybe these things are still there in our future, along with world peace, but so far what we’ve got is a new way for kids to cheat on homework, a lot of derivative art, pernicious deepfakes and raging arguments over intellectual property theft. Oh, and an unprecedented increase in the demand for electricity that threatens to overwhelm the grid and make it impossible for us to stop burning fossil fuels before global warming destabilizes societies worldwide.
The wonder is why we thought this would go well. Shouldn’t we have known ourselves better?
In my view, the biggest problem with AI is that either humans are in charge, or the robots are. If it’s the robots, there is a good chance they will decide to kill us all, and we won’t see it coming. So we need to root for the humans, who could use the powerful new tools of AI to address hunger and climate change but so far mostly use it for financial fraud, child pornography and adding to the absurd percentage of the internet devoted to cat memes.
And instead of helping to lower CO2 emissions, right now the effect of AI is to increase the burning of fossil fuels. U.S. electricity consumption had flatlined after the mid-2000s, but AI is pushing it up again, and sharply. Data centers, where AI “lives,” could consume as much as 9% of U.S. electricity generation by 2030, double that of today.
We have a close-up view of this in Virginia, the data center capital of the world. In 2022, when I first tried to quantify Virginia’s data center problem, industry sources put the state’s data center demand at 1,688 megawatts (MW) — equivalent to about 1.6 million homes. With the advent of AI and its enormous appetite for power, the industry added 4,000 MW of new data centers in 2023. By the end of last year, data centers commanded fully 24%of the total electricity generated by Dominion Energy Virginia, the state’s largest utility. Over the next 15 years, Virginia’s data center demand is expected to quadruple.
Citing the need to supply data centers with power, Dominion did an about-face on its plan to achieve net zero carbon emissions by 2050. It now proposes to keep coal plants running past their previous retirement dates, and to build new gas-powered generation.
The problem is not confined to Virginia. Across the country, utilities are struggling to meet AI’s increased energy demand, and looking to fossil fuels to fill the gap.
And while tech companies talk a good game about meeting their power demand sustainably, the evidence says otherwise. Tech companies conspicuously did not push back on Dominion Energy’s plan, and their own efforts fall woefully short. Even Google, which has taken its carbon-cutting obligations more seriously than most companies, just reported a 13% rise in its greenhouse gas emissions in 2023, thanks to its investments in AI and data centers.
Apparently, Google and its competitors in the race to dominate AI think meeting climate goals is like getting a loan from a bank; you emit more today, grow your business and use the profits to clear the debt by emitting a lot less tomorrow.
But Mother Earth is not a bank. She is a loan shark, and she has started breaking fingers.
If we can’t rely on the inventors of AI to restrain their energy appetites, we have to turn to our politicians (sigh). Our leaders have to make and enforce limits on the growth of AI commensurate with the world’s ability to provide the resources without baking the planet. Admittedly, mustering that kind of willpower is hard to do in a country that has elevated corporations to personhood and defines the First Amendment to include both spreading lies and spending money to influence elections.
And that gets us to the second-biggest concern I have about AI, but the one that might upend society soonest: the unleashing of deepfakes in this fall’s elections, and the threat that the reins of government will go not to those most dedicated to tackling hard problems, but to those who prove themselves the biggest scoundrels.
The American Bar Association (ABA) defines deepfakes as “hoax images, sounds and videos that convincingly depict people saying or doing things that they did not actually say or do.” Noting that they have already been used in election campaigns in the U.S. and abroad, the ABA is promoting model state legislation to criminalize the creation of malicious deepfakes. Meanwhile, tech companies including Google and Meta have adopted advertising policies to require disclosures of altered content.
Both approaches are good as far as they go; websites should police content, and states should act swiftly to outlaw the deepfakes (though the ABA lists very few that have done so yet). But in a high-stakes situation like an election, punishing violators after the fact – if you can catch them at all – is very much a case of closing the barn door after the horses are out. Once voters have been exposed to “evidence” of a candidate’s unfitness for office, especially when media coverage has primed them to believe the lies, the damage is done.
Many voters, especially younger ones, are savvy enough to be wary of campaign-related materials generally, and of unattributed images that float around the internet in particular. But older people who came of age in the pre-internet-memes era are vulnerable to believing what they see and hear, and a lot of us won’t put ourselves to the trouble of questioning what feels true. A deepfake only has to fool some of the people some of the time to alter the results of an election.
But maybe I’m being needlessly alarmist about the dangers of AI, even if I have a lot of company. So I did the obvious thing: I asked a bot if AI would save humanity or kill us all.
ChatGPT responded with a list of pros and cons of AI, including the familiar benefits and concerns that have spawned a thousand op-eds. You can try this at home, so I won’t reiterate them here. But I will note the curious fact that the bot didn’t mention either carbon emissions or election-altering deepfakes.
Maybe that’s an oversight, or maybe it means my fears are unwarranted. But maybe it shows something even scarier than AI itself: It’s AI pretending it isn’t trying to take over.
We urgently need action from U.S. and corporate leaders. Stiff new taxes on data center energy use would lead to greater efficiencies and nudge companies to price data storage and AI use appropriately. New laws should put the onus on internet platforms to stop deepfakes before they can spread. Tech companies should prioritize what is good for human beings over what is good for corporate profit. If they can’t ensure AI is used only for good, they should pull the plug until they can.
If all this doesn’t happen, and soon – well, let’s just hope the robots are kind.
This article first appeared in the Virginia Mercury on July 11, 2024.
If you’d like to hear a deeper discussion about the climate challenge posed by data centers and AI, I’ll be addressing this topic tonight at a meeting of the IEEE Society on Social Implications of Technology (SSIT) Chapter of Northern Virginia/Washington/Baltimore in Oakton, Virginia, which you can also attend remotely. The presentation will be recorded.. https://events.vtools.ieee.org/m/424609
The only real question is why it has taken so long. (DOD photo by U.S. Air Force Staff Sgt. Brittany A. Chase)
Virginia Gov. Glenn Youngkin can’t run for reelection, so it’s frustrating to see him spending so much time trying to score political points. The latest episode came earlier this month, when according to Fox News, Youngkin sent a letter to Defense Secretary Lloyd Austin questioning the Pentagon’s plan, announced back in January, to install solar panels on the building’s massive roof. Youngkin complained that the plan included no requirements for American-made technology, raising the question “whether American taxpayer dollars will be used to purchase solar equipment from the Chinese Communist Party.”
A few days later, Fox News reported the Pentagon offered reassurance that it had a “rigorous and extensive oversight process to ensure compliance” with the Buy American Act and other laws requiring domestic content.
According to this second article, a Youngkin spokesperson quoted the governor as “pleased that Secretary Austin will follow his recommendations to adopt the ‘Made in America’ requirements for procuring Chinese solar panels.”
Younkin’s attempt to snatch victory while still clenched in the jaws of defeat is amusing, but more than a little puzzling. Apparently Younkin is under the impression that solar panels are inherently Chinese.
Let’s be clear: Solar energy is one of the great American success stories. Americans invented solar photovoltaic technology, nurtured it and led the world in its development for half a century. American ingenuity put solar on the path to becoming today’s low-cost leader for power generation, to the point that it is projected to become the world’s dominant source of electricity by 2050.
However, as with a lot of American manufacturing, most solar panel production migrated overseas as the technology matured. Starting in 2010, China bet big on renewable energy, investing in solar technology itself and driving down panel prices to the point where most manufacturers in Europe and the U.S. were driven out of business. Only one U.S company remains in the top ten worldwide.
Chinese companies also likely benefited from the use of forced labor in the production of polysilicon, the raw material for most solar panels. The U.S. banned the importation of solar panels made with forced labor in 2021.
By then, however, China had developed a mature supply chain and technological know-how to support low-cost production. Today China dominates every aspect of solar manufacturing, with about 80% of the world’s market share. Chinese solar companies have expanded production capacity beyond the ability of world markets to absorb, driving down already-low prices by 42% in 2023.
Domination of the world market is only half the story, though. China also leads the world in deploying solar at home. China installed as much solar PV capacity in 2022 as the rest of the world combined, and then doubled that in 2023. China also leads the world in offshore wind deployment and electric vehicle sales and dominates production of lithium-ion batteries.
So the concern that the Chinese are winning the clean energy race is well justified, and Youngkin is not the only American who hates the taste of second place. But our leaders only have two choices: stand around talking trash about the competition, or get in the game.
That’s what Congress did in passing laws like the Bipartisan Infrastructure Act and the Inflation Reduction Act (IRA) that support American investment in solar panels, wind turbines, electric vehicles and other components of a green revolution. More controversially, President Joe Biden also extended Trump-era tariffs on Chinese-made polysilicon solar panels to give American manufacturers a chance to scale up.
Not everyone supports tariffs on Chinese-made solar panels, given the inflationary impact of trade barriers and the urgent need to deploy as much renewable energy as possible to lower CO2 emissions. Still, the learning rateof solar is expected to continue driving prices lower over the long term. Even with a less-mature, more expensive supply chain, American-made panels are projected to become cheaper than imported panels by 2026.
One year after the IRA’s passage, a Goldman-Sachs analysis found the law was meeting its objectives of driving private sector investment and job creation in the clean-tech sector, including manufacturing. This month, Wood Mackenzie reported that U.S. solar manufacturing capacity increased 71% in the first quarter of 2024, making it the largest quarter of solar manufacturing growth in history.
The Pentagon is not known for caring about saving money, so maybe it isn’t surprising that it is only now following the example of millions of Americans by putting solar panels on the roof. Defense Department officials say the move is intended to support the resurgence in American manufacturing and to deliver the benefits of increased energy resilience and reliability, including having an uninterrupted power source in case of a cyberattack or a grid outage.
Low-cost, clean power, resilience and energy security are all part of the great American success story that is solar energy. A note of congratulation, not complaint, would be the better response from Youngkin.
This article first appeared in the Virginia Mercury on June 26, 2024. It has been edited to remove a reference to the Pentagon being located in Virginia because, for reasons worth a digression, it is not.
Who says solar can’t be an asset to the land? Photo credit Center for Pollinators in Energy, fresh-energy.org
It’s a problem that divides communities and stymies lawmakers: Virginia’s transition to clean energy depends on building thousands of acres’ worth of large solar facilities, but a backlash from some rural neighbors makes siting projects increasingly difficult.
Most of the objections are aesthetic – few people prefer to look at rows of solar panels if they once enjoyed a bucolic country scene – but some opponents say they worry about the loss of farmland and trees. Solar, they fear, is bad for the land as well as the eyes. It doesn’t help that some early solar development suffered from corner-cutting that resulted in soil compaction and erosion. If that is solar, many people want no part of it.
In 2022, land conservation groups banded together with agriculture and logging interests to lobby for legislation requiring mitigation whenever a solar project would disturb more than 50 acres of forest or 10 acres of “prime agricultural soils.” House Bill 206 applies to any solar project developed under Virginia’s sort-of-streamlined “permit by rule” process, which is available to all but the largest facilities.
The solar industry initially fought the legislation, joined by some climate advocacy groups. They pointed out that no other industry is subject to mitigation requirements, and that solar provides greater climate benefits than forests and agriculture. Moreover, solar panels can be removed and the land returned to farming or forestry. By contrast, once land is converted to a housing subdivision or strip mall or data center, the damage is permanent.
Eventually the solar industry accepted compromise language that put off the effective date until the start of 2025 and gave industry members a voice in an advisory panel under the auspices of Virginia’s Department of Environmental Quality (DEQ). The law tasked this group with helping to develop “criteria to determine if a significant adverse impact to prime agricultural soils or forest lands is likely to occur as a result of a proposed solar project,” and if so, the actions that should be considered in any mitigation plan. DEQ was to use the working group’s conclusions to draw up regulations.
As it turned out, the working group agreed on very little. Its 717-page report found consensus on only a few points, leaving DEQ itself with the task of resolving key issues. On May 13, the agency published its proposed regulations. The regulations are currently under executive branch review, after which Interested parties and the public will have the opportunity to comment.
Meanwhile, a few things have happened since the passage of HB 206.
In March of 2022, DEQ toughened its stormwater regulations to address the runoff and erosion problems that had given solar a bad name in some communities. Building on that, the agency just released a new stormwater handbook that will become effective July 1, 2024, with sections specific to solar development.
Some solar industry members complain that DEQ’s stormwater regulations are unreasonably onerous, but no one questions the importance of preventing runoff and erosion. In any case, many companies are already using land-friendly practices that make it easier to meet tougher rules. One is the use of terrain following trackers, a technology that allows solar to be installed on uneven terrain instead of bringing in bulldozers to level the site. The trackers maximize solar production in hilly areas while preserving topsoil and vegetation.
The new tracker technology is among the suite of low-impact approaches gaining ground as the solar industry matures. DEQ encourages another eco-friendly practice: planting native species among and around solar arrays. Native plants provide food and habitat for insects whose numbers have plummeted in recent years, threatening our ecosystems. Though only a few solar projects have achieved DEQ’s pollinator-smart certification to date, most of the developers I’ve spoken with say they are open to it.
Photo credit Solar Power World and Nexamp
Gaining traction even faster is the practice of using grazing animals for vegetation management. Sheep hit the sweet spot: project owners save money they would have to spend on humans operating machinery, while the sheep thrive in the shade of solar panels and return nutrients to the soil. Already, 2% of sheep in the U.S. are being grazed under solar panels, according to an American Solar Grazing Association webinar, including at several large Virginia facilities providing power to Dominion Energy. Elsewhere, cattle graze under solar panels or crops grow between the rows, further erasing the distinction between solar facilities and agricultural use.
All-terrain trackers, topsoil preservation, native plants and incorporating active farming or grazing: all these practices ensure farmland isn’t “lost” to solar. Yet DEQ’s tougher stormwater rules, the solar industry’s increasingly land-friendly practices, and even the passage of HB 206 haven’t allayed concerns among solar opponents. Instead, rural counties have stepped up the pace of bans, caps and moratoriums.
One suspects the continued hostility isn’t because opponents lack familiarity with the ways solar can be eco-friendly, but because the opposition’s primary motivation isn’t preserving farmland. If what they really care about is keeping solar from cluttering up the viewshed (“preserving our rural heritage” is the euphemistic framing), then adding a new layer of mitigation requirements won’t change anything.
Admittedly, I never supported HB 206 in the first place. From an environmental perspective, solar is no worse for the land than monoculture pine plantations or commodity crops grown with pesticides and petroleum-based fertilizers. Done in a habitat-friendly way, solar can increase biodiversity and help heal the land. And solar addresses our CO2 problem, far more even than trees.
Still, DEQ’s job was to try to find a middle ground between the solar industry and its detractors, and in fairness, their effort gets some things right. The proposed rules recognize that there are degrees of impact a solar facility can have, and that practices like leaving topsoil undisturbed or incorporating agrivoltaics should be rewarded with lower mitigation requirements. A neat table delineates the various levels of impact and proposes differing levels of mitigation to match. Mitigation mostly takes the form of land set-asides, but can also be satisfied with per-acre payments.
And yet the proposal misses the mark on at least three fronts. First, it fails to give full credit to solar projects that minimize soil disturbance and incorporate agrivoltaics. DEQ should recognize that adopting best practices is itself mitigation, which should obviate the need for land set-asides or monetary payments.
Second, the proposed regulations make no exceptions for projects owned and operated by local farmers who incorporate solar into their farm activities in order to increase and diversify their income without having to sell their land. If the point of HB 206 was to protect farming, DEQ has shot wide of the mark.
Finally, the dollar amounts that DEQ proposes in lieu of land set-asides are punishingly high, with perverse effects. A solar company that has to pay a stiff penalty must pass that cost along in the form of a higher price for the electricity produced. If a utility has to pay more for electricity, ratepayers ultimately foot the bill.
The alternative is equally counterproductive. I noted at the start that DEQ’s permit-by-rule process is available to all but the largest projects, but it is not the only pathway open to developers. Projects over 150 MW are required to go to the SCC for approval, but smaller projects aren’t foreclosed from doing so. If DEQ makes its own process too onerous, solar developers will go to the SCC instead. The SCC requires that a developer secure a local permit, but not that it employ soil-saving practices, agrivoltaics or mitigation.
It would be great if DEQ could turn the lemon that is HB 206 into a lemonade of a solar industry adopting eco-friendly development practices and incorporating pollinator plantings, sheep grazing, and other agrivoltaic businesses. What we have instead is a proposal that may kill the permit-by-rule program without producing any benefit to anyone – in effect, turning lemonade into lemons.
There is still time to get it right. DEQ may not be able to resolve the solar wars, but a good set of regulations would position Virginia to make the most of a solar industry that is essential to our future.
This article was originally published in the Virginia Mercury on June 12, 2024.
Virginia utilities finally have an opportunity to attack net metering. Photo by Don Crawford.
When the Virginia Clean Economy Act became law in 2020, solar advocates celebrated. In addition to creating a framework for a transition to a zero carbon electricity sector by 2050, the VCEA and sister legislation known as Solar Freedom swept away multiple barriers to installing solar in Virginia. Among the new provisions were some that strengthened net metering, the program that allows residents, businesses and local governments who install solar onsite to be credited for excess electricity they feed back to the grid.
Currently, the law requires that customers of Dominion Energy and Appalachian Power be credited for the electricity they supply to the grid at the full retail rate for electricity. The credit is applied against the cost of the electricity they draw from the grid at night. The policy makes solar affordable and supports small businesses across Virginia.
However, the VCEA came with a ticking time bomb. It provided that in 2024 for Appalachian Power, and 2025 for Dominion, the State Corporation Commission would hold proceedings to determine the fate of net metering, and in particular the terms for compensating new net metering customers.
Well, it’s 2024, and the bomb just went off. On May 6, the SCC issued an order directing the two utilities to file their suggested changes. Appalachian’s proposal is due by September 2; Dominion’s is due by May 1, 2025. The SCC will establish a schedule for each case that will include provisions for the public and interested parties to participate.
There are two important protections to note. First, low-income customers will have their choice of installing solar under either the existing rules or the new ones. Second, customers who install solar panels and interconnect to the grid before the SCC issues its final order will continue to be covered by the existing provisions for retail net metering.
For anyone who’s been on the fence about installing solar, I can’t overstate the urgency of acting now. Nonprofits Solar United Neighbors and Solarize Virginia can help you get the best deal. Also check out the excellent advice and sample quotes from HR Climate Hub.
Make no mistake, utilities hate net metering and will destroy it if they can. The more customers who install solar, the less control the utility can exercise over them — and, even more critically, the less money the company makes for its shareholders from building new generation and transmission.
That’s not what our utilities tell legislators and the SCC, though. Instead, they promote a narrative that net metering customers impose extra costs on other ratepayers, creating a “cost shift.” The idea is that residents who go solar are making everyone else pay more of the costs of the grid while they themselves rake in money with their free electricity from the sun.
This argument has raged across the country for years. Utilities often argue that solar customers should be paid for their surplus electricity only the amount of money the utility would otherwise have had to spend to generate or buy that same amount of electricity from somewhere else. This “avoided cost” can be less than one-third of the retail rate for residential electricity. (The net metering changes would also affect commercial and non-profit properties, which pay a lower rate than residential – but still well above avoided cost.)
With a payback period of nine to 15 years in Virginia, residential solar is a reasonable investment with retail rate net metering, but it’s hardly a get-rich-quick scheme. Brandon Praileau, the Virginia program director for Solar United Neighbors, said in an email that lowering the net metering rate would eliminate the energy savings that homeowners see from solar today.
“It is the full retail 1:1 value of solar that allows solar to not be a boutique purchase that only fits a certain demographic but something that every homeowner can benefit from,” he noted.
Praileau added that the loss of net metering would also hit Virginia’s solar installers hard and lead to job losses, something I confirmed with industry members. Russ Edwards, president of Charlottesville-based Tiger Solar, says any devaluation of solar would have a “significantly adverse” impact on local companies like his that serve the residential market.
But the “cost shift” argument doesn’t actually depend on whether rooftop solar is affordable for customers or profitable for installers. The way utilities think about net metering, a homeowner could even lose money on solar and still be guilty of shifting the costs of maintaining the grid onto other customers.
Net metering supporters counter that rooftop solar provides valuable benefits to the grid and to other customers that the utilities overlook, like relieving grid congestion and lessening the need for utility investments in new generation and transmission. Solar also has larger societal benefits like increased energy security, local resilience, clean air and carbon reduction.
Over the years this dispute has spawned literally dozens of studies estimating the value of solar. A Michigan study found that rather than being subsidized by other ratepayers, residents who install solar actually subsidize their non-solar-owning neighbors. Closer to home, a Maryland study also concluded that distributed solar provided a value greater than the retail cost of energy.
But every state is different. California’s public utility commission recently slashed the net metering rate all the way down to a so-called avoided cost, in part because the huge growth of solar in the state has led to a power glut in the middle of the day. The residential solar market cratered as a result of the PUC’s action, with an estimated 17,000 jobs lost in the solar industry.
Virginia does not have California’s problem. With only about 6.5% of our electricity generated by solar and the world’s largest energy storage facility in the form of Bath County’s pumped hydro plant, rooftop solar still helps Virginia utilities meet peak demand. We also face a skyrocketing demand for electricity from data centers, which militates in favor of all the clean energy we can generate.
Ten years ago, Virginia set out to do a study on the value of solar, led by the Department of Environmental Quality. Unfortunately, our utilities pulled out when they didn’t like what they were seeing, so the study never progressed beyond a framing of the issues.
Since then, Dominion and APCo have often repeated the “cost shift” narrative but have never backed it up with evidence. Their efforts have had some effect with legislators, most recently with passage of a bill instructing the SCC to “make all reasonable efforts to ensure that the net energy metering program does not result in unreasonable cost-shifting to nonparticipating electric utility customers.”
But of course, that simply begs the question of whether a cost shift is actually occurring. Under the VCEA, the SCC will now have to “evaluate and establish” the amount a net metering customer should pay for “the cost of using the utility’s infrastructure,” and the amount the utility should compensate the customer for the “total benefits” the customer’s solar panels provide. The SCC is also instructed to evaluate and establish the “direct and indirect economic impact of net metering” and consider “any other information the Commission deems relevant.”
Presumably, this other information should include the state’s energy policy. The policy specifically supports distributed solar, including “enhancing the ability of private property owners to generate their own renewable energy for their own personal use from renewable energy sources on their property.”
The SCC will now have to navigate these opposing positions in what are certain to be contentious proceedings. Meanwhile, residents and businesses would be well advised to get their solar panels up this year.
This article was originally published in the Virginia Mercury on May 21, 2024.
Following the General Assembly’s failure either to rein in the explosive growth of power-hungry data centers or to remove obstacles to increasing the supply of renewable energy in Virginia, a lot of people are wondering where we go from here.
Dominion Energy Virginia’s answer, as described in its 2023 Integrated Resource Plan (IRP), is “build more fossil fuels.” The utility is pushing forward plans to build new methane gas generating units in Chesterfield. Dominion argues that although its IRP calls for dramatically increased carbon emissions, it sort of complies with the Virginia Clean Economy Act anyway because the VCEA has an escape clause when reliability is at risk.
Dominion does not acknowledge that its own actions contribute to the problem. To be fair, though, it’s a huge problem, and even if our utilities were on board with the VCEA’s carbon-cutting agenda, we would need stronger legislative policy than we have now. Rejoining the Regional Greenhouse Gas Initiative is an important priority that Democrats are rightly pursuing, but the need for action goes much further.
Sen. Dave Marsden, D-Fairfax, convened meetings the week before last to hear from utilities, industry members, environmental groups and others to get suggestions on ways to reform the VCEA. The interest groups met separately, and members of one group were not allowed to attend other group sessions to hear what those stakeholders had to say. The meetings were closed-door and confidential, with the express purpose of preventing a nosy public from learning anything through Freedom of Information Act requests.
That secrecy makes me queasy, so I declined the invitation to attend the environmentalists’ session. I’d have cheerfully jettisoned my scruples, though, if I could have been in the utility session to hear what Dominion’s lobbyists were whispering in the senator’s ear. Alas, that was not on offer.
But Marsden is asking the right questions, and of course, I always have answers, even when no one is asking. In my view, Virginia can stay on track to carbon neutrality by adopting four basic principles: data centers must pay their own way, both literally and carbon-wise; solar must be easy to build and interconnect; utilities must not build new fossil generation for “reliability” before exhausting non-carbon solutions; and efficient buildings must be added to the strategy.
Let’s start with the elephant outgrowing the room.
Data centers are sucking up all the energy
Without action, data centers will soon overtake residential customers to become Dominion’s largest category of customer. Already, they are driving the utility’s decision-making, as we saw from Dominion’s IRP. This year, the General Assembly deferred action to address the energy crisis until it sees the results of a study being undertaken by the Joint Legislative Audit and Review Commission (JLARC).
It now appears that study won’t be published before the 2025 session convenes, and in fact there does not appear to be a deadline of any kind. Yet we already know enough about data center energy demand and its consequences for everyone else that legislators will be derelict in their duty if they put off all action until 2026.
The General Assembly must choose from three options if it still cares about the energy transition: stop the growth of the data center industry in Virginia, put the onus on data centers to source their own clean energy from the grid, or dramatically increase renewable energy generation and power line construction.
Lawmakers show no desire to stop all data center growth, but as I’ve urged before, they can and should establish a joint state-local task force to choose appropriate sites for growth based on energy and transmission availability, water resource adequacy and good-neighbor factors, like distance from residential communities and parkland.
Legislators should also require data centers to meet industry-best standards for energy efficiency, use alternatives to diesel generators for backup power and source carbon-free energy from facilities located on the grid that serves Virginia. They could buy this power either on their own or through a specially-designed utility tariff, as long as it meets all of their needs on a 24/7, hourly basis. In no case should other customers see higher electricity bills for infrastructure that’s only needed because of data centers.
These measures will take time to put in place, yet data center development is proceeding apace while the General Assembly takes its nap. There is no avoiding Virginia’s need for a lot more carbon-free generation, pretty much right away. A couple of small modular nuclear reactors ten years from now aren’t a solution.
Don’t expect climate leadership from Dominion
Dominion’s fossil-heavy IRP marked a sharp break away from the climate report that the company released just months before, which projected solar dominating the grid by 2040. Whether the IRP should be dismissed as political pandering to a conservative governor, or taken in earnest to mean the utility has thrown in the towel on renewable energy, is something of a Rorschach test for Virginia leaders.
When Dominion releases its 2024 IRP this fall, we may get more clarity about what the company really thinks. More likely, we will still be left guessing. Dominion has a long history of playing to both sides to get what it wants, and what it wants is profit.
There’s nothing wrong with a company making a profit, of course, as long as the company isn’t also allowed to make the rules it plays by. Asking Dominion’s lobbyists to help make energy policy is like recruiting burglars for a task force on crime prevention.
Make it easier to build solar
While Virginia counties vie with each other to attract data centers, some are notably less keen on solar farms. Sprawling developments of windowless warehouses that suck power? Yes, they say. Grassy fields lined with rows of solar panels that produce power? No. Such is the horror with which some people view solar that localities have adopted moratoriums, acreage caps and other limits designed to keep projects at bay. The result is that an already-slow process for siting solar projects is getting even slower, more unpredictable and more expensive.
Lawmakers rejected legislation this year that would have allowed the State Corporation Commission to overrule local permit denials. Yet it seems doubtful whether, in a Dillon Rule state like ours, local governments actually have the authority to enact blanket prohibitions and caps on specific kinds of land use. Legislators may want to ask the attorney general to clarify this point rather than waiting for landowners to challenge in court a locality’s refusal to let them put solar panels on their property.
If the AG (or a court) rules these barriers illegal, localities would have to go back to evaluating the merits of project applications on a case-by-case basis — hardly a bad result. But it would be wiser and more orderly to pass legislation spelling out under what circumstances a local government may reject a solar project, and what the landowner’s recourse should be.
New gas plants are the wrong solution for reliability
Though Dominion’s 2023 IRP didn’t win approval from the SCC, Dominion is going ahead with plans to build new methane gas combustion turbines in Chesterfield. Given that these “peaker” plants generate dirty power at a high price, Dominion should not be permitted to build gas combustion turbines if other alternatives are available.
Which they are. Demand-response programs, advanced grid technologies and batteries charged by renewable energy are superior to gas peakers for reasons of cost, air quality and climate impact.
Dominion is building some large batteries and testing long-duration battery storage technologies (and of course, Virginia already has the largest pumped storage facility in the world), but our utilities have not even begun to tap the potential of batteries in homes and businesses. Subsidizing the purchase of batteries by homeowners and businesses in exchange for the ability to draw on the batteries for peaking power, as some utilities do, would also build resilience into the grid and address power outages more cheaply than burying lines.
Imagine: If data centers had installed batteries instead of the 11 gigawatts of diesel generators at Loudoun and Fairfax County data centers, Virginia would already have more battery storage capacity than any country in the world.
Let everyone build solar
The VCEA calls for 35% of its solar target to be satisfied by third-party developers. The purpose of this set-aside is two-fold: to attract more private capital, and to use competition to keep a lid on prices. Unfortunately, the SCC accepted Dominion’s argument that 35% should be read as a ceiling as well as a floor, to the detriment of ratepayers and solar developers. With Dominion now reneging on its solar commitments, it’s more important than ever that private developers be allowed to step in. One bill in the 2024 session would have corrected this problem by explicitly making 35% the minimum. The General Assembly should adopt that measure.
Fix interconnection
Possibly the most inexplicable failure of the General Assembly this year was failing to pass legislation to resolve the dispute between Dominion and commercial customers over interconnection requirements. The onerous requirements that Dominion adopted in December of 2022 — imposed even in the face of a contrary SCC ruling — have wreaked havoc on plans by local governments to put solar on public buildings and schools. That is fine with Dominion; though the goal of the new requirements was to acquire upgraded distribution infrastructure at no cost to itself, its monopolistic lizard brain is equally satisfied with the result of shutting down competition from small solar companies.
Legislators should not accept this result, though. The General Assembly adopted net metering years ago because encouraging residents and businesses to go solar is good for the economy and makes communities more resilient. Support for distributed renewable energy is even written into the Virginia Code as official policy.
And distributed solar is hugely popular. Indeed, the very people who oppose utility-scale solar projects almost inevitably argue that society should maximize rooftop solar instead. In this they are at least half right: If we are really going to meet the energy challenge ahead of us, the very least we can do is milk every kilowatt-hour from sunshine falling on rooftops.
Customers have always paid to interconnect their solar to the utility’s grid. The dispute between Dominion and its customers is about whether Dominion can insist they pay the entire cost of expensive new fiber-optic wire and other cool technology that could make the distribution grid better for everyone, but which any one customer can’t afford. These upgrades could enable not just more solar but also electric vehicle charging in our communities, vehicle-to-grid technology and programs allowing utilities to make use of customers’ battery storage. But if the technology really is that valuable (a determination that should be made by the SCC, not Dominion), then getting it shouldn’t depend on how deep a customer’s pocket is — especially when that customer is a local government and, therefore, effectively, the Virginia taxpayer.
This year’s interconnection bill would have allowed a utility to recover the costs of these grid upgrades from ratepayers, with SCC oversight. Even Dominion would have been better off with the bill, something it would have recognized if its lizard brain weren’t in charge at the time. The General Assembly should pass the bill.
An untapped three gigawatts of energy are waiting off our coast
Dominion’s 2,600 megawatt Virginia offshore wind project is due to begin construction this year, but it is not the only game in town. The Kitty Hawk offshore wind area situated off North Carolina can deliver up to 3,500 megawatts of energy through a cable that will come ashore at Virginia Beach. All that is holding up the project is the lack of a customer. Offshore wind is more expensive than solar, but we have a lot of power-hungry data centers who could pay a clean energy tariff that would include Kitty Hawk wind.
Maximize efficiency in buildings
Possibly the best piece of energy legislation to pass this year was the bill that directs local governments and schools to build to higher efficiency standards and incorporate renewable energy, as appropriate. The language could have been even stronger, but as it is, it will deliver significant cost savings for taxpayers.
In fact, local governments will now build to better standards than most homeowners get for themselves when they buy a house. That’s because Virginia’s residential building code is pathetically behind the times when it comes to energy efficiency. Home buyers and renters would save more than enough money on utility bills to cover the upfront cost of better housing construction, but builders won’t voluntarily meet higher standards because it reduces profits. That should not be acceptable.
Legislation passed in 2021 directed the Board of Housing and Community Development to consider amendments that would strengthen the building code. BHCD, which is dominated by builder and real estate interests, simply ignored the law. The matter is now in litigation (and the governor is trying to weaken the code even further), but the General Assembly could resolve the matter by directing BHCD to adopt efficiency measures at least as strong as the national standards set by the International Building Code Council (itself under fire for allowing builder interests to weaken efficiency standards), and to allow local governments to adopt stronger “stretch codes” to help residents save even more money and energy.
Going further, new and renovated buildings should be required to use electricity in place of methane gas, oil or propane for heating, cooling and appliances wherever practicable. Though building electrification increases electricity consumption, electricity is a more efficient technology than burning fossil fuels in the home, so it contributes to lower energy costs for residents and a smaller carbon footprint for the state overall.
It’s a shame the General Assembly settled for simply not going backwards this year, but it is a good sign that Marsden and others are not waiting for next year to consider ways to get us back on the carbon-cutting wagon. With the climate clock ticking, we have no more time to lose.
A version of this article appeared in the Virginia Mercury on April 29, 2024.
Virginia’s 2024 legislative session wrapped up last month without any action to avert the energy crisis that is hurtling towards us.
Crisis is not too strong a word to describe the unchecked proliferation of power-hungry data centers in Northern Virginia and around the state. Virginia utilities do not have the energy or transmission capacity to handle the enormous increases in energy consumption. Dominion Energy projects a doubling of CO2 and a new fossil fuel buildout. Drinking water sources are imperiled.
The governor is unfazed. Legislators are going to study the matter.
Source: PJM
According to data gathered by regional grid operator PJM, half of the coming surge will occur in parts of Virginia served by Dominion Energy. In its 2023 Integrated Resource Plan (IRP), Dominion said it would meet the higher demand by increasing its use of expensive and highly polluting fossil fuels and building new methane gas-fired generating plants. Dominion admitted this will push up carbon emissions at a time when the Virginia Clean Economy Act requires the utility to build renewable energy and cut carbon.
PJM projects equally huge data center growth in areas served by Virginia electric cooperatives, especially Northern Virginia Electric Cooperative (NOVEC). The cooperatives are exempt from most VCEA requirements, and NOVEC buys the bulk of its power from PJM’s fossil fuel-heavy wholesale market. NOVEC’s latest annual report cites load growth of 12% per year, almost entirely from data centers, but fails to even mention the increase in carbon emissions that will accompany that growth.
Undeterred by these alarming statistics, the General Assembly put the growth on steroids with a new round of tax breaks in 2023, while beating back any conditions that might have slowed the onslaught. This year it turned away every bill that would have placed limits on the industry or protected ordinary consumers from the inevitable cost increases.
At the same time, legislators rejected a host of bills that would have enabled more renewable energy development in Virginia and given customers a greater ability to secure their own electricity supply. Together these bills could have brought thousands of megawatts of new solar projects online, lowered demand growth through increased energy efficiency, and prevented the increases in carbon pollution that now appear inevitable.
Legislators did greenlight Dominion Energy and Appalachian Power’s ability to spend their customers’ money on initial development efforts for two nuclear reactors of up to 500 megawatts (MW), one for each utility.
This is not a fix. It is like scheduling knee surgery for next year when you are having a heart attack today.
There is, famously, much doubt about whether small modular reactors (SMRs) will prove viable in the coming decades, but there is no doubt whatsoever that the surge in data center development is happening right now. Virginia’s hoped-for nuclear renaissance would be both too little and too late to meet a data center demand that Dominion says grew by 933 MW in 2023 alone. It’s expected to reach almost 20,000 MW by 2034, the year Dominion’s IRP shows its first small nuclear reactor delivering power.
In rejecting every serious measure to address data center demand, General Assembly leaders said they wanted to wait for a study being conducted this year by the Joint Legislative Audit and Review Commission (JLARC). What the General Assembly didn’t do was defer new data center development until the study is complete. Another year has to pass before lawmakers will even consider bills addressing land use, power and water concerns around data centers or make it easier for renewable energy to come online.
The consequences of inaction could be deadly. It was only a year ago that Virginia’s Department of Environmental Quality (DEQ) proposed allowing certain Northern Virginia data centers to violate their air quality permits by running more than 4,000 highly-polluting diesel generators during periods of grid stress. It doesn’t take much imagination to picture the public health disaster we’d have had if 4,000 diesel generators kicked into operation last summer when smoke from Canadian wildfires had already made Virginia air quality hazardous.
DEQ backed off its proposal after a massive public outcry, but the idea is likely still percolating at the agency and might reemerge as an emergency demand-response measure. Even without allowing the generators to provide grid support, more data centers with more diesel generators will worsen air quality with every power outage and every round of equipment testing.
As I argued at the time, the diesel generator fiasco could have been avoided in the first place if data centers had been equipped with renewable energy microgrids and battery storage. DEQ’s decision not to require battery storage as the first line of defense against power outages deprived Dominion of a demand-response option that would have been far cleaner and more useful than diesel generators.
One of the bills the General Assembly rejected this year would have prohibited the use of backup diesel generators by data centers that receive state tax subsidies, and would have required greater energy efficiency. It was a missed opportunity that means the problem can only get worse in the coming year.
The governor, however, could still avert the crisis by imposing a pause in data center development while the JLARC study is underway. He could accomplish this through an executive order directing the Virginia Economic Development Partnership (VEDP) not to enter a memorandum of understanding (MOU) with any data center operator until the JLARC study is complete and legislators have had the opportunity to act on it. These MOUs are a requirement for data center operators to access Virginia’s generous tax exemptions. Without the tax subsidies, most data center developers would likely choose not to pursue development here.
This is not a novel idea. Last spring, data center reform advocates asked VEDP to include stringent efficiency and siting conditions in MOUs it entered with Amazon Web Services. They never got an answer.
Down in Georgia, however, legislators just passed a Republican-led bill to suspend that state’s data center tax subsidies for two years pending the results of a study of grid capacity. Legislators expressed concern about Georgia Power’s ability to provide electricity to all the data centers that want to come to the state. And as Republican Sen. John Albers also noted, “The reality is these do not create many jobs. They create big buildings, but they do not create jobs.”
The Georgia tax subsidies were modeled on the ones Virginia implemented in 2010, which pushed our data center growth into overdrive. Isn’t it interesting that Georgia lawmakers so quickly learned a lesson that Virginia leaders refuse to even acknowledge?
This article was originally published in the Virginia Mercury on April 3, 2024.
Power for the People VA 