Va. Code § 10.1-1197.5
As used in this article:
"Energy storage facility" means energy storage equipment or technology that is capable of absorbing energy, storing such energy for a period of time, and redelivering energy after it has been stored.
"Small renewable energy project" means (i) an electrical generation facility with a rated capacity not exceeding 150 megawatts that generates electricity only from sunlight or wind; (ii) an electrical generation facility with a rated capacity not exceeding 100 megawatts that generates electricity only from falling water, wave motion, tides, or geothermal power; (iii) an electrical generation facility with a rated capacity not exceeding 20 megawatts that generates electricity only from biomass, energy from waste, or municipal solid waste; (iv) an energy storage facility that uses electrochemical cells to convert chemical energy with a rated capacity not exceeding 150 megawatts; or (v) a hybrid project composed of an electrical generation facility that meets the parameters established in clause (i), (ii), or (iii) and an energy storage facility that meets the parameters established in clause (iv).
Va. Code § 10.1-1197.5