List of Acronyms AC alternating current ASP average selling price BNEF Bloomberg New Energy Finance BOS balance of system CA NEM California Net Energy Metering CdTe cadmium telluride CF capacity factor CPI Consumer Price Index c-Si crystalline silicon DC direct current DOE U.S. Department of Energy EPC engineering, procurement, and construction FICA Federal Insurance Contributions Act GPRA Government Performance and Reporting Act HVAC heating, ventilating, and air conditioning ITC investment tax credit LBNL Lawrence Berkeley National Laboratory LCOE levelized cost of energy LCOS levelized cost of storage LCOSS levelized cost of solar-plus-storage Li-ion lithium-ion MACRS Modified Accelerated Cost Recovery System MLPE module-level power electronics MM million MW AC megawatts alternating current MW DC megawatts direct current NEC National Electrical Code NEM net energy metering NREL National Renewable Energy Laboratory O&M operation and maintenance PERC passivated emitter and rear cells PII permitting, inspection, and interconnection PPA power-purchase agreement PV photovoltaic(s) Q quarter SETO Solar Energy Technologies Office (DOE) SG&A selling, general, and administrative TPO third-party ownership USD U.S. dollars V DC volts direct current w ac瓦特交替交替w dc瓦特直流电流w p瓦峰