40 CFR Part 60, Table 2

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗

Affected EGU	CO2 Emission standard
Newly constructed or reconstructed stationary combustion turbine that supplies more than its design efficiency or 50 percent, whichever is less, times its potential electric output as net-electric sales on both a 12-operating month and a 3-year rolling average basis and combusts more than 90% natural gas on a heat input basis on a 12-operating-month rolling average basis	450 kg CO2/MWh (1,000 lb CO2/MWh) of gross energy output; or470 kg CO2/MWh (1,030 lb CO2/MWh) of net energy output.
Newly constructed or reconstructed stationary combustion turbine that supplies its design efficiency or 50 percent, whichever is less, times its potential electric output or less as net-electric sales on either a 12-operating month or a 3-year rolling average basis and combusts more than 90% natural gas on a heat input basis on a 12-operating-month rolling average basis]	50 kg CO2/GJ (120 lb CO2/MMBtu) of heat input.
Newly constructed and reconstructed stationary combustion turbine that combusts 90% or less natural gas on a heat input basis on a 12-operating-month rolling average basis	Between 50 to 69 kg CO2/GJ (120 to 160 lb CO2/MMBtu) of heat input as determined by the procedures in § 60.5525.

[89 FR 40034, May 9, 2024]