Fairfax will update special-exception review for large solar projects and permit battery storage as accessory use
Jul 31, 2026
Two state bills require Fairfax County to adopt standards for solar facilities of at least 1 MW (review criteria and setbacks) and to allow battery energy storage systems (BESS) as an accessory use to approved solar facilities when BESS capacity does not exceed the on-site solar capacity. Staff proposes edits to special-exception submission and use standards to comply.
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Gastrell said HB 711/SB 347 requires local regulations for solar facilities with capacity of at least 1 megawatt to mirror state-mandated review criteria, setbacks and height limits; those standards will apply when a solar facility is subject to special-exception approval.
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