With a federal windfall incoming, Virginia should require school districts to build to green standards

The solar panels powering Arlington, Virginia’s Discovery Elementary School, seen through the windows of a science classroom. Photo by Ivy Main

More than $4.3 billion in federal stimulus dollars will be flowing to Virginia this year as part of the American Rescue Plan, with cities and counties in line for another $2.7 billion. In a joint statement in May, Governor Northam and Democratic leaders laid out spending priorities that included rehabilitating and upgrading the infrastructure in public schools. The General Assembly plans to meet for a special legislative session in August to allocate the funds. In addition to the federal money, Virginia also finds itself in the happy position of having surplus funds of its own to spend.

As it stands now, the federal funds cannot be used for new school construction, a restriction that upsets school officials in areas with aging schools and no budget to replace them. But whether some money is spent on new schools or not, the General Assembly should not just throw dollars out the door and hope for the best. Virginia has an enormous opportunity to improve student health and learning, correct historic injustices, and meet the demands of the climate crisis, but only if the right standards are in place from the outset.

First, funding should be prioritized to Title 1 schools, which are those with at least 40 percent of children from low-income families. Given Virginia’s history of segregation and racism, a high number of Title 1 schools are in Black communities, while others are in parts of rural Virginia that have been left behind economically.  Title 1 schools on average are older and in worse condition than schools in more affluent areas, and the students are more likely to suffer from asthma and other health problems that are exacerbated by mold and poor indoor air quality. Improving indoor air quality and student well-being should be the primary goals for all new or renovated facilities, and it makes sense to start with the students most in need.

Second, while many localities are attracted to the idea of shiny new schools, in most cases it takes less time and costs less to retrofit an old school that is structurally sound than to tear it down and build new. It’s also better for the environment, even if the new school would be built to a “green” standard. Children don’t need new buildings; they need healthy, high-performing buildings. A beautiful remodel of the historic school their parents and grandparents attended could be just what the doctor ordered.

Third, new or renovated schools should be required to meet the highest standards for energy efficiency, including windows, insulation and HVAC. New construction should also be all-electric, as should most renovated buildings. This maximizes taxpayer savings on energy costs over the lifetime of the building, supports the goal of healthy indoor air, and is consistent with Virginia’s commitment to phase out fossil fuels.

Fourth, if the roof will be new or upgraded, it should be made solar-ready, allowing the school to take advantage of third-party power purchase agreements (PPAs) or solar services agreements to install solar panels. Leveraging private capital to pay for the school’s primary energy source stretches construction dollars. These agreements provide financing for solar facilities at no upfront cost and typically save money for schools from the outset. Once the solar panels are paid off, energy bills plummet and savings pile up.

New schools and deep retrofits can even achieve net-zero status affordably, and ought to be required to do so in most cases. Net-zero schools become a source of community pride and offer educational benefits as students learn about energy and how solar panels work. According to a study conducted for Fairfax County Public Schools, the additional upfront cost of building a net-zero-ready school (one that will produce as much energy as it uses once solar panels are added) is only about 5 percent more than standard construction, and the additional cost is recovered through energy savings in under 10 years. Renovating older schools to net-zero costs 11 percent more, but still pays off in 15 years.

Even if we weren’t worried about climate, these standards would make sense for student health and taxpayer savings. Yet today, school districts are not required to build high performance schools, and most don’t. The result is higher operating costs, and in some cases school boards being told that their brand-new schools won’t support solar. Solar companies say it’s probable that solar would be just fine, but this shouldn’t even be an issue. Yet it will continue to be cited as an obstacle if solar-readiness is not made standard.

Our children deserve better. Virginia should seize this year’s historic opportunity to invest in healthy, high-performing schools that are free of fossil fuels and will deliver long-term benefits for taxpayers and the climate.

Potential 50,000 Rooftop Solar Jobs in Virginia, for Ten Years

By Will Driscoll

Virginia could produce 32 percent of its electricity from rooftop solar installations, according to a report from the National Renewable Energy Laboratory (NREL).  Yes, that’s a lot:

  • It’s 28,500 megawatts of solar capacity—almost double the 15,000 megawatts that Dominion Virginia Power found would save customers $1.5 billion, but said it wouldn’t know where to site the solar panels.
  • Installing that much rooftop solar in Virginia would yield about 50,000 jobs for ten years, based on the number of U.S. solar jobs in 2016 and the number of megawatts of solar installed.
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Al Chiriboga and Andrew Schultz of Convert Solar install a 10 kilowatt solar system on an office building in Virginia Beach.

The NREL analysis evaluated the potential for solar on buildings with at least one unshaded roof plane that is nearly flat, or faces east, southeast, south, southwest, or west.  If any such roof plane could accommodate at least 1.5 kilowatts of solar panels, NREL modeled solar on that roof plane.  Summing across all buildings in Virginia yielded a technical potential of 28,500 megawatts of rooftop solar.  NREL found that nationwide, 66 percent of large building rooftop area is suitable for solar, versus 49 percent for medium-size buildings and 26 percent for small buildings.

The technical potential is simply what the laws of physics allow, combined with common sense—i.e., no north-facing panels.  (NREL did count west-facing panels, which have value for meeting late afternoon electricity demand, and east-facing panels, which are equally productive.)  NREL assumed an average solar panel efficiency of 16 percent, and noted that if panels averaging 20 percent efficiency were used, the solar potential would be 25 percent greater (because 20 is that much greater than 16).  At least three firms make solar panels exceeding 20 percent efficiency.

The technical potential is just a theoretical maximum.  Yet the economic potential, or the sum of all money-saving rooftop solar investments, may not be far behind, especially over the next ten years, as solar costs keep falling due to technology improvements and economies of scale.  Each year more building owners realize they can save money with rooftop solar, including Virginia school systems.

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Ryan Phaup and Andrew Harrison of Shockoe Solar install photovoltaic panels in Urbanna, VA.

The Solar Foundation counted 260,077 U.S. solar workers in 2016, and the Solar Energy Industries Association reported 2016 U.S. solar installations of 14,626 megawatts.  Dividing the two yields 18 workers per megawatt of solar installed.  Finally, spacing out the installation of NREL’s 28,500 megawatts of Virginia rooftop solar over ten years would mean 2,850 megawatts of rooftop solar installed per year, times 18 workers per megawatt, or 50,000 workers—for a ten-year period.

For rooftop installations, the jobs per megawatt would tend to exceed 18, since rooftop jobs are smaller and more labor-intensive than the 2016 U.S. mix of utility-scale solar (10,000 megawatts) and rooftop solar.  That is the experience of Edge Energy, whose co-owner Anthony Colella reports that installing one megawatt of solar per year requires a staff of 20—a roofing crew, an electrical crew, a project manager, a production manager, and sales and administrative support staff.  He sees a growing solar potential in Virginia, and says his firm plans to add 15-20 staff members this year and a similar number in 2018.

On the other hand, as the rooftop solar industry grows to meet the NREL potential, economies of scale should also come into play, enabling firms to sell and install more panels in less time.  So on balance, 18 jobs per megawatt, and 50,000 jobs over ten years, seems like a good ballpark estimate.

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Henry Portillo (peak), Tulio Guzman and Carlos Cardona of Edge Energy celebrate an 8 kilowatt solar installation in Arlington, VA.

The NREL report noted that “In practice, the integration of a significant quantity of rooftop solar into the national portfolio of generation capacity would require a flexible grid, supporting infrastructure, and a suite of enabling technologies.”

Mr. Colella of Edge Energy said that “to reach for the big numbers,” Virginia needs to lift the size limits on residential and commercial systems; eliminate demand charges on larger systems; change the voluntary renewable portfolio standard into a requirement, with a closed Virginia market for solar renewable energy credits; and allow solar leases, solar power purchase agreements, and community solar.

In response to the NREL projection, a Dominion Virginia Power representative stated that the utility is installing solar toward a state goal of 500 megawatts of solar by 2020.  Appalachian Electric Power declined to comment.

Virginia currently has 238 megawatts of solar capacity, compared to North Carolina, which has 3,012 megawatts.