[1] The Clean Energy Standard Act of 2012 defines «clean» electricity as «electricity generated at a
facility placed in service after 1991 using renewable energy, qualified renewable biomass, natural gas,
hydropower, nuclear power, or qualified waste - to - energy; and electricity generated at a
facility placed in service after enactment that uses qualified combined heat and power (CHP), [which] generates electricity with a carbon - intensity lower than 0.82 metric tons per megawatt - hour (the equivalent of new supercritical coal), or [electricity generated] as a result of qualified efficiency improvements or capacity additions at
existing nuclear or
hydropower facilities -LSB-; or] electricity generated at a
facility that captures and stores its carbon dioxide emissions.»