Greater than three years right into a groundbreaking settlement, this spring ought to carry solar energy to one of many Fairfax County services for the primary time.
The county has 30 websites lined up for photo voltaic panels underneath an influence buy initiative (PPA) that was billed as the most important ever by a Virginia locality when it was introduced in December 2019.
Subsequently, lease negotiations with the corporate contracted to put in and function the panels stalled, forcing the county to begin from scratch with a unique supplier in July 2021.
“With the pandemic, there are provide chain points throughout the photo voltaic business and the price of some development supplies has elevated,” stated John Morrill, the division supervisor of the Workplace of Atmosphere and Power Coordination (OEEC) for innovation and sustainability. “The county has negotiated and accepted revised pricing from distributors. Nevertheless it’s nonetheless a problem, and the dimensions of the system continues to be essential to make the numbers work for each events.
Though the PPA initiative stays in place, the county can be taking a look at different choices to outfit its properties for solar energy – particularly, involving them in new development initiatives or enlist power service firms to carry out power upgrades.
The photo voltaic venture anticipated to be accomplished first will come from the overall contractor employed to construct the Sully Neighborhood Middle, which opened within the Dulles space on September 17.
The contractor is at the moment acquiring permits for the photo voltaic photovoltaic panels, placing the set up on monitor for completion in Might, in response to the Fairfax County Division of Public Works and Environmental Providers.
The overall contractor’s route may even guarantee the brand new Seven Corners Fireplace Station may have photo voltaic panels when it opens in spring 2024. The prevailing station on Sleepy Hole Highway was demolished final month.
Initiatives are additionally in numerous phases of growth for the Woodlawn and Reston fireplace stations, the Spring Hill Recreation Middle in McLean, and the Pender constructing, which hosts the county’s Housing and Neighborhood Improvement workplaces.
For the websites, the county will buy photo voltaic panels from power service firms employed to put in them together with different effectivity upgrades. The hearth stations are within the closing design phases with goal supply dates of August, whereas the Spring Hill venture is in engineering design and scheduled for completion in winter 2024.
The county is focusing on October for the Pender constructing improve, which is “extra difficult,” Morrill stated. Along with a rooftop photo voltaic array, the venture will retrofit the ability’s lighting and change different infrastructure, in response to a allow evaluate.
“This mix of strategies offers the county the utmost flexibility, as a result of smaller methods…do not match the PPA mannequin,” Morrill stated.
Within the PPA mannequin, the county contracts with a photo voltaic supplier to put in, function and preserve the photo voltaic panels. The county will not be accountable for any upfront prices, nevertheless it should pay the supplier and utility for the electrical energy produced by the panels.
In line with Morrill, such agreements are most tasty to distributors for big initiatives, such because the one deliberate for the I-95 Landfill Complicated in Lorton. The array will occupy 40 hectares of land and is anticipated to generate 5 megawatts of electrical energy.
By comparability, the Sully Neighborhood Middle venture will generate 180 kilowatts, and Morrill estimates the panels authorised for Annandale Excessive College — Fairfax County Public Faculties’ first PPA venture — will generate about 600 kilowatts.
The landfill venture is within the design part, which is more likely to begin in 2024 and finish in 2025, in response to the OEEC.
Morrill stated the county is planning photo voltaic panels at “a number of different services” by means of the PPA initiative or power effectivity upgrades, nevertheless it’s too early to estimate any timelines.
Even with these initiatives within the works, Fairfax County has some catching as much as do within the race to transition to scrub and renewable power. Whereas its greenhouse emissions from power use have decreased since 2019, the provincial authorities nonetheless has a methods to go to realize its purpose of carbon neutrality by 2040.
In the meantime, neighboring Arlington County introduced final week that its operations at the moment are working solely on renewable power sources.