Tag Archives: solar power

Unknown's avatar

Distributed solar bills move forward, while progress on siting utility solar stalls out

by
Photo credit Norfolk Solar.

Virginia’s desire to be a leader on clean energy has faced numerous challenges over the past few years, coming from many different directions. Landowners who want utility-scale solar on their rural property face increasingly hostile county boards, with no provisions for relief. 

School systems, local governments and commercial customers that want solar on their buildings have been blocked by expensive new interconnection requirements imposed by Dominion Energy. And the clock is ticking on net metering, the program that gives customers with solar panels a one-for-one credit on surplus electricity they feed back into the grid. 

The solar industry is used to struggling for every foothold it gets in Virginia, but these new challenges come at a particularly bad time. With data center growth creating huge pressures on our electricity supply, Virginia needs more clean energy in every size range, and needs it now. Any coherent approach to meeting demand has to include removing unnecessary barriers to both utility-scale and distributed solar. That both are facing more barriers, rather than less, suggests the state still hasn’t figured out what it takes to be an energy leader.  

None of the legislation at the General Assembly this year addresses this fundamental failing head-on, but several bills took on some of the barriers. In particular, bills focused on rooftop solar and other distributed generation have made it to halftime in decent shape.

Sadly, the same cannot be said of bills designed to bring more utility-scale solar to Virginia, including siting legislation developed by the Commission on Electric Utility Regulation (CEUR) and carried by Del. Rip Sullivan, D-Fairfax, and Sen. Creigh Deeds, D-Charlottesville. The legislation sought to tackle the biggest obstacle to unleashing gigawatts of clean, low-cost energy across Virginia: local governments that deny permits to solar and energy storage facilities, acceding to neighbors who don’t want to have to look at solar panels where they once saw fields and forests. (Anti-solar fossil fuel front groups don’t help matters either.)  

On the House side, Sullivan’s HB2126 was killed in a subcommittee vote. Senate Bill 1190 made it to the Senate Floor but was defeated when two Democrats, Senators Russet Perry and Lashrecse Aird, joined with all Republicans in siding with localities that did not want to cede any part of their authority over land use. The bill would have pressured local governments, but it did not strip them of authority. They would have been required to include in their comprehensive plans targets for energy production and energy efficiency (the latter an interesting addition). In evaluating specific projects, localities would have had to consider advisory opinions that would be issued by a new interagency panel of experts recruited from Virginia universities. Perhaps of greatest import, localities would no longer have been allowed to adopt ordinances that ban all projects outright or place unreasonable restrictions on them, or deny permits “without a reasonable basis.”

The Senate bill “incorporated” (by which is meant, it jettisoned the provisions of) another solar siting bill from Sen. Jeremy McPike, D-Woodbridge, and a separate piece of legislation from Sen. Schuyler VanValkenburg, D-Richmond, that would have prescribed rigorous best practices for utility solar projects.

Over in the House, however, a companion to VanValkenburg’s bill from Del. Candi Munyon King, D-Dumfries, HB2438, passed the chamber 48-46. The bill came from the solar industry itself, proposing to adopt the highest standards for itself. So why wasn’t the vote unanimous? Go figure.

Bills advancing small-scale solar move forward

Legislation promoting distributed generation did not go through the CEUR pipe, but these bills show some wear and tear of their own.  A loose-knit group of advocates under the banner of the Equitable Solar Alliance came in with a package of three bills, all of which remain alive after favorable committee votes. 

HB1883, from Del. Katrina Callsen, D-Charlottesville, increases the tiny carve-out for distributed solar that is part of Dominion’s obligation to buy renewable energy certificates in compliance with Virginia’s renewable portfolio standard. The bill has been pared down since it was introduced but still makes several changes benefiting behind-the-meter solar and battery storage systems under 3 MW.  The distributed generation carve-out, currently 1% of the renewable standard target, will get bumped to 3% in 2026 and 5% in 2028, with further changes possible later if the the State Corporation Commission (SCC) decides on it. Third-party power purchase agreements, which had been restricted to commercial projects, will now be available to residential customers. And whereas currently only projects smaller than 1 MW can earn up to $75 per renewable energy certificate, the bill now makes that amount available for projects up to 3 MW. (Certificates for larger solar projects are effectively capped at $45 per certificate.) 

Callsen’s bill also raises to 600 MW, from 200 MW currently, the target for solar on previously developed sites. It also specifies that 65% of distributed projects qualifying for the Virginia Clean Economy Act’s 1,100 MW target for solar under 3 MW should be developed by non-utility providers.  

HB1883 passed the House unanimously. Its Senate companion, SB1040from Valkenburg, made it through committee without Republican support but passed the Senate 26-14. 

Two other bills, HB2346 from Del. Phil Hernandez, D-Norfolk, and SB1100 from Sen. Ghazala Hashmi, D-Richmond, establish a pilot program for virtual power plants (VPPs), which aggregate customer solar and storage resources and demand response capabilities. In concept, a VPP allows a utility to pay customers to let it make use of these capabilities, enabling it to meet peak demand without having to increase generation. (If you are familiar with programs in which your utility pays you to let it cycle your air conditioner off for a few minutes at a time on hot summer days, you have the idea.) VPPs are becoming popular in other states as a way to subsidize customers’ investments in things like battery storage, while reducing utility costs and saving money for all ratepayers. 

The original hope for this legislation was ambitious: a vision of energy democracy that would reshape the way utilities interact with residential and commercial customers and make the most efficient use of new technologies like electric vehicle charging and smart appliances. The financial benefits to customers could even be enough to offset the costs of investments like home batteries, potentially offering a way for rooftop solar to remain affordable even if the SCC guts Virginia’s net metering program. 

But, this being Virginia, the legislation making its way through committee calls only for pilot programs that utilities design and largely control, although they will be voluntary for participants. After 2028, however, the SCC may create permanent programs. SB1100 passed the Senate 22-18. HB2346 passed the House 71-27.

The third bill in the package, HB2356 from Del. Candi Munyon King, establishes an apprenticeship program to help develop a clean energy workforce, and requires participants to be paid prevailing wages. This bill is more politically divisive than the first two, and it passed the House only on a party-line vote. A companion bill passed the Senate on a party-line vote as well. With Republicans unified in opposition, we are likely to see amendments or a veto from the governor. 

A couple of other bills seek to address the costs of interconnecting small-scale solar facilities, including those on schools and government buildings. After Dominion Energy changed its rules in late 2022, customers found the cost of connecting solar facilities to the distribution grid was suddenly so high as to make it impossible to pursue projects in the affected size range.

HB2266 from Del. Kathy Tran, D-Springfield, requires the SCC to approve upgrades to the distribution system that are needed to accommodate grid-connected solar — a safeguard designed to prevent the utility from larding on costs. The utility must then spread the costs across all projects that benefit from the expanded capacity. This strikes me as a pretty elegant solution to the interconnection muddle. HB2266 passed the House 57-41. 

 SB1058 from Sen. Adam Ebbin, D-Alexandria, originally would have simply exempted public schools from interconnection costs. It was amended to look like Tran’s bill and then passed the Senate 21-18.

Finally, a bill from Del. David Bulova, D-Fairfax, would allow local governments to include in their land development ordinances a requirement that certain non-residential applicants install solar on a portion of a parking lot. HB2037 passed the House on a 64-32 vote and will now go to the Senate Committee on Local Government. 

This article was originally published in the Virginia Mercury on February 3, 2025. It has been updated to reflect the most recent General Assembly votes.

Unknown's avatar

It’s the fossil fuels, stupid

by

For low-cost electricity, Virginia needs renewable energy — not gas plants

smokestack
Photo credit Stiller Beobachter via Wikimedia.

Southwest Virginia leaders are up in arms over electricity rate hikes. It’s understandable: Appalachian Power, which serves residents in 34 counties, has raised rates by over 46% since July 2021, and its rates now rank among the state’s highest. Last March, it sought another increase that would have resulted in residents paying $10.22 more per month on average. Although the State Corporation Commission’s November ruling granted APCo a much smaller rate hike, customers are raising a ruckus about the high bills.

Complaints have reached such a fever pitch that Del. James Morefield, a Republican who represents parts of five southwest Virginia counties, filed legislation this month to cap the rates APCo can charge. Over in the Senate, another southwest Virginia Republican, Travis Hackworth, has launched a direct attack on APCo’s monopoly: His legislation would allow any residential customer of APCo whose monthly bill exceeds 125% of the statewide average to buy electricity from another provider.  

These bills might be more performative than serious. But in this case, legislators themselves are at least partly to blame. In 2023, another Southwest Virginia Republican, Israel O’Quinn, drove legislation that excused APCo from having to write integrated resource plans (IRPs) – those pesky documents that tell regulators how a utility plans to comply with state laws and meet the needs of customers at least cost. Both Hackworth and Morefield voted for the bill. 

In 2024, O’Quinn also championed legislation that allows APCo to charge customers for costs of developing a small modular nuclear reactor. Hackworth also supported this new burden on ratepayers, though Morefield did not.

This year, the Commission on Electric Utility Regulation is promoting legislation to reform the IRP process, including making APCo file plans again. That may help. Fundamentally, though, the primary reason APCo’s customers are paying so much is that the utility remains so dependent on fossil fuels. As of the date of its 2022 IRP, APCo relied on coal and fracked gas for 85% of its electricity. Prices for both fuels spiked so high in 2021 and 2022 that utilities were left with huge bills to pay. 

 In 2022, APCo told the SCC it had spent an extra $361 million over budget on gas and coal. Virginia law allows fuel costs to be passed through to customers, so the SCC couldn’t prevent bills from rising to cover the outlay. Instead, the SCC allowed the company to recover the excess fuel costs from its customers over two years by charging roughly $20 more per month to residents, spreading out the pain but also extending it. O’Quinn’s 2023 legislation let the company finance the costs, which meant customers pay interest on top of the fuel costs.

 APCo was not the only utility passing along high gas costs. Dominion Energy Virginia also got caught off guard and asked to spread its excess fuel costs out over three years, adding an average of $15 to residential customer bills. Dominion customers are not happy either. 

 Gas prices have since dropped, and the remarkably short memories of legislators have led them to think they will now stay low forever. Having learned precisely nothing, they also insist that the only way to ensure an adequate supply of reliable, low-cost energy to serve the data center boom is for Virginia to increase its reliance on gas instead of transitioning away from it.    

 The evidence does not support this fantasy. Contrary to Republican orthodoxy, new renewable energy is cheaper than new fossil fuel generation. That’s why in 2024, 94% of all new power capacity in the U.S. came from solar, batteries and wind energy. Fossil gas made up just 4% of new generating capacity. Yes, many states are now proposing to build new gas plants, so the trend could reverse, but that’s only because the rush of data centers and new manufacturing has made large users desperate for more energy at any cost. 

 It’s true that solar, Virginia’s least-cost resource, only produces electricity when the sun shines. But even adding battery storage to solar energy, allowing it to serve as baseload power or a peak power resource, still results in lower electricity costs than the gas combustion plants that are used to produce electricity at peak times. (In Virginia, Del. Rip Sullivan, D-Fairfax, has introduced legislation to expand storage targets for Dominion and APco, including for long-duration storage.)

 The era of low-cost renewable energy is fairly new, but it is already impacting utility bills across the country. Virginia used to boast of its low rates; now there are 22 states with lower residential electricity rates than Virginia. And of those, U.S. Energy Information data shows that all but five generate a higher percentage of their electricity from renewable energy. 

With data centers proliferating across Virginia unchecked, utility rates are under even more pressure now. The Joint Legislative and Audit Review Commission data center study, released last month, warns that ratepayer costs will inevitably rise under an “unrestrained growth” scenario that reflects current policy.

It’s too early to tell whether any of the many bills to protect residential ratepayers and put guardrails on data center development will pass. For now, the governor and many Republicans seem to prefer to use the crisis to crush the transition to renewable energy. As in past years, Republicans have introduced bills to repeal the Virginia Clean Economy Act or undermine it in various ways.

Making solar more difficult and expensive to build is also part of the strategy. The party that used to stand for individual liberty and personal property rights now instead champions local governments that deny farmers the ability to put solar on their land.

Talking up fossil fuels and dumping on solar may make for good politics with the folks in rural districts. That doesn’t mean it’s in their interests. If high utility bills are what really matter, legislators should be pushing renewable energy and storage, not expensive gas plants. 

This article appeared in the Virginia Mercury on January 20, 2025. Interestingly, today writers at two other publications, Cardinal News and Bacon’s Rebellion, took up one aspect of this topic that I only alluded to, the fact that Virginia “imports” more electricity than any other state. Virginia politicians have been exercised on this topic for as long as I’ve been writing, and it has always struck me as strange. It’s not like we need to worry about the political ramifications of a trade imbalance with Pennsylvania.

But as Duane Yancey noted, those electrons coming into Virginia from elsewhere in PJM do tend to be dirty. That’s especially the case for APCo, which operates coal plants in West Virginia and has been ordered by the West Virginia Public Utilities Commission to run those plants at a 69% capacity factor, regardless of the economics. I have not been able to find out anywhere the percentage of APCo’s generation that comes from coal as opposed to gas, but the West Virginia PUC order unquestionably means APCo’s Virginia customers are paying too much.

One other thing to note on the topic of imports: when I wrote that APCo’s resource mix is 85% fossil fuels, that did not mean the other 15% is renewable. In fact, most of the rest is purchased power, meaning mostly fossil fuels also.

By the way, readers may notice a few discrepancies among the articles, which is worth explaining. Both Yancey and James Bacon cite figures for Virginia electricity rates and how they compare to other states that are different from my numbers. The reason is that they are working from combined rates for residential, commercial and industrial, where I’m using residential only. Virginia’s combined rate compares more favorably to those of other states than does its residential rate because our commercial and industrial rates are lower.

Virginia’s low commercial rates have been a major draw for data centers. But if you’re a residential customer right now, maybe that’s pretty cold comfort.

Unknown's avatar

The clean energy revolution will continue

by
Photo credit iid.com

Eight years ago last week, I wrote a column titled, “Why Trump won’t stop the clean energy revolution.” Calling global warming a hoax, businessman and reality TV star Donald J. Trump had just been elected with a promise to save coal jobs and pull the U.S. out of the Paris climate accord. 

Climate activists were deeply distraught then, as now. I wrote in 2016, “Reading the news Wednesday morning was like waking up from a nightmare to discover that there really is a guy coming after you with a meat cleaver.”

But as I also wrote, there is only so much damage a president can do when technology, popular opinion and – especially – economics don’t support his agenda. Trump couldn’t save the coal industry (though he tried). Instead, his administration oversaw a 24% decline in coal employment. And where coal supplied 30% of U.S. electricity in 2016, by the time Trump left office it had fallen to 20%. 

In the intervening years, Trump seems to have lost interest in coal mining, even as he continues to embrace fossil gas production. His enthusiasm for gas fracking fits with his drill-baby-drill approach to energy, but it was also intended to win over voters in Pennsylvania, a major producer of shale gas. Ironically, the gas industry insists on calling methane “clean” precisely because burning it emits less CO2 than coal. 

While coal was dying, wind and solar were well on their upswing when Trump took office in 2017, and they continued to advance through his first administration. By 2020, wind and solar had become the cheapest forms of new electric generation. Today, renewable energy supplies more than 21% of the nation’s electricity, while coal’s share has dropped further, to just 16%. Trump or no Trump, technological advances and a thirst for cleaner energy continue to drive new wind and solar generation.

Indeed, the offshore wind industry – famously reviled by Trump – wasted no time last week in congratulating its erstwhile foe on his victory and insisting, hilariously, that his election is a big win for the industry. The first Trump administration, they noted hopefully, “laid out the fundamental framework for our modern offshore wind industry.”

Well, okay. From their lips to Trump’s ears. Trump is hardly known for consistency, and it is not impossible to imagine him softening his position on an industry that is creating well-paying jobs for the blue-collar workers who make up a portion of his base. His Virginia acolyte, Republican Gov. Glenn Youngkin, boasts of overseeing the building of the nation’s largest offshore wind farm. Why shouldn’t Trump pivot? 

Early in the Republican primaries, one candidate opined that all the solar panels and batteries sold in the U.S. are made in China. That wasn’t actually true. For years one U.S. company, First Solar, has ranked among the world’s top ten solar panel manufacturers. Among the domestic manufacturers of both EVs and batteries, one of the largest is Tesla, whose CEO Elon Musk is now a Trump darling. It is going to be fascinating to find out whether Musk uses his influence to benefit the clean energy transition generally, or only himself. 

Yet the notion that China dominates solar and battery production is also not wrong. China is eating our lunch on clean energy. Chinese companies produce 80% of the world’s solar panels and more than half of its electric vehicles. Sadly, perhaps, these are not cheap imitations of superior American products. They are world-leading technology. 

Chinese dominance of the world market was a major reason that President Joe Biden’s signature climate law, the Inflation Reduction Act (IRA), put so much emphasis on supporting domestic manufacturing. Tariffs on Chinese goods, Trump’s preferred approach, help U.S. companies compete for American consumers, but they don’t support an export market when other countries produce better goods for less money. Even at home, critics note, tariffs mostly just raise prices.

Yet Trump has vowed to repeal the IRA, and given that Congress passed it without Republican support, there is certainly a danger that a Republican Congress will comply. On the other hand, observers note that 80% of the manufacturing tax credits have gone to red states, and this August, 18 House Republicans signed a letter to Speaker Mike Johnson asking to keep the credits. 

I don’t want to sound too optimistic. Wait, let me rephrase that: I don’t feel optimistic at all. We are facing headwinds today that weren’t around in 2016. At that time, gains in energy efficiency meant electricity demand was not increasing, in spite of a growing population. With wind and solar displacing coal, there was a clear pathway for CO2 emissions from the electric sector to continue falling. 

Today, however, the skyrocketing demand for electricity from data centers threatens the progress we’ve made on clean energy. It remains to be seen whether artificial intelligence will unleash efficiency gains and novel technologies that can put carbon reductions back on track. Right now, though, tech companies are so desperate for power that they will take it from wherever they can get it, and regardless of carbon content.  (I notice, though, that they still want it to be cheap and are happy to greenwash it to meet their sustainability goals). 

Perhaps the biggest change from eight years ago is simply that we are that much closer to reaching catastrophic climate tipping points. 2023 was the warmest year on record, and 2024 is on track to surpass it. The effects are evident in the number and costliness of severe weather and wildfires made worse by global warming. (Just ask insurance companies.) It is frustrating, to say the least, to contemplate losing the next four years to an administration that thinks climate change wouldn’t be an issue if we would just stop talking about it.  

Yet Americans of all political stripes continue to support renewable energy by wide margins. And apart from a small minority of vocal climate deniers, most Americans want the U.S. to take stronger action on climate. 

This election revealed deep fault lines among the American public, but one thing we all have in common is the faith that our ability to solve intractable problems is stronger even than our tendency to wish the problems away. 

That’s why, even in the face of such serious headwinds, the clean energy revolution will continue. 

This column was originally published in the Virginia Mercury on November 12, 2024.

Unknown's avatar

Geothermal energy is having a moment. Could it power Virginia’s data centers?

by
National Renewable Energy Laboratory

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.

Unknown's avatar

Will Virginia’s residential solar market survive the coming year?

by
Installation of solar panels on the roof of a house.
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.

Unknown's avatar

Dominion Virginia Power says its 30 MW Solar Partnership Program likely to top out at “13 or 14” MW

by

Photo credit Christoffer Reimer

Photo credit Christoffer Reimer

At a stakeholder meeting in Chesterfield, Virginia, on Monday, Dominion Virginia Power revealed that it expects to have installed a total of 6 megawatts (MW) of distributed solar generation by year’s end, out of the 30 MW approved by the General Assembly. But the program, which Dominion calls its Solar Partnership Program, may achieve only a total of “thirteen or fourteen megawatts” before it exhausts the $80 million that the State Corporation Commission authorized the company to spend on it.

Dominion had originally requested $110 million for the program, under which it develops large solar facilities on rooftops it leases from commercial, industrial or institutional customers in selected areas. But many solar industry members and advocates, including yours truly, argued that it should be possible to install 30 MW of solar for much less. It turns out that we were right that the private sector could do it for less, but wrong in thinking Dominion could.

The $80 million price tag works out to a cost of between $5.70 and $6.15 per watt, a number that is at least two and a half times what a commercial customer would expect to pay if it purchased a system directly. It’s vastly higher even than what residential customers are paying under the popular “solarize” programs that have sprung up around the state this year, which are producing contracts for home systems at $2.90-3.55 per watt.

Dominion analyst Nate Frost told me at the meeting that the SCC required the company to include all the related costs of the program, including financing and O&M as well as the cost of leasing rooftops from participants. But this still puts the price far above what similar projects would cost if built and owned by a private sector firm, according to an industry insider I consulted.

I followed up with Mr. Frost by email to ask for a cost breakdown, and to find out whether unique factors might have driven up the cost. Mr. Frost referred me to the company’s August 29 filing with the SCC (which, due to the SCC’s impossibly user-unfriendly website, I cannot link you to, although you can look it up yourself on the website by searching under case PUE-2011-0017).

That filing does not, unfortunately, answer any of the questions I put to Mr. Frost. But reading it does give a strong impression that the company had expected to be able to install the full 30 MW under the cost cap, and was as surprised and dismayed as the rest of us to find they were proceeding with projects way too slowly while blowing through their budget way too fast.

Of course, the point of the Solar Partnership Program is not to show whether Dominion is capable of competing with private companies, but to give the utility a chance to examine how solar integrates with the existing grid. This is important because solar is such a new and untried technology that the utility could not possibly know what might happen if it just scattered twenty or thirty megawatts’ worth of it into a system with tens of thousands of megawatts of fossil fuel generation. Sure, critics might suggest Dominion could get that information from New Jersey, which has over 1,300 MW of solar in a state half the size of Virginia. But what the critics fail to understand is that unlike Virginia, New Jersey actually encourages solar, making its electrons highly suspect. This is why we need our own study.

Monday’s stakeholder meeting revealed more bad news about Dominion’s progress on solar. Also behind schedule is the Solar Purchase Program, under which solar owners who would otherwise be eligible to net meter (using their solar power themselves) are offered 15 cents per kilowatt-hour to sell their green electricity to Dominion for resale to the Green Power Program, while purchasing “brown” power for their own use at the standard rate. Although the program has been open for more than a year and has a capacity of 3 MW, to date it has signed up only 703 kilowatts.

Solar industry members and analysts had criticized the design of the program from the outset. But again, the company’s SCC filing (included with the Solar Partnership Program filing) reveals Dominion’s surprise and chagrin that the great majority of customers who initially signed up for the program changed their minds.

Nor are customers jumping to take advantage of Dominion’s “Schedule RG,” which makes the utility a middleman for sales of renewable energy from producers to large customers, like the consumer-conscious corporations that have driven big solar installations in many other states. Thus far there have been no takers. That’s not a huge surprise to observers; Schedule RG was criticized at the time of its proposal for its cumbersome design. (Yes, we are seeing a pattern here.)

By contrast, reported Mr. Frost, the net metering option that allows customers to install solar on their own property and for their own use has attracted 1,080 customers, who have installed a total of 8 MW to date, with 86% of these customers residential.

These aren’t huge numbers either, but they probably don’t include more than a few of the home systems currently under development through the solarize programs, which will add significantly to our residential total this year. Two projects using third-party power purchase agreements (PPAs) will also add as much as a megawatt.

The lesson seems to be that customers are doing a better job installing solar than Dominion is. If Virginia is serious about increasing renewable energy in the state, it should free the private market to build distributed generation like rooftop solar: serving every kind of customer of every size, everywhere in the state. If the utilities want to compete on a level playing field, let them. Otherwise, they should be encouraged to focus on developing multi-megawatt, utility-scale projects for the grid. There is plenty of room for both, and we need it all.