gridprims

Power plant · EIA plant code 10294

King City Power Plant

Operator
Calpine King City Cogen LLC
Location
Monterey, CA (county level only)
Balancing authority
California Independent System Operator (CISO)
Nameplate capacity
133.2 MW
Summer capacity
115 MW

U.S. Energy Information Administration · Annual Electric Generator Report (Form EIA-860) · data for 2025 · as of Sep 10, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

Generation in 2025

Net generation
24,287 MWh
Capacity factor
2.1%

Capacity factor is net generation divided by nameplate capacity times the hours each generator was in service that year, counted by month.

U.S. Energy Information Administration · Power Plant Operations Report (Form EIA-923) · data for 2025 · as of Sep 11, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

Emissions

Carbon dioxide in 2023
23,841 metric tons
Carbon dioxide per MWh
932 lb/MWh

eGRID reports 26,280 short tons. One short ton is 0.90718474 metric tons.

Emissions are for 2023, the newest eGRID year. Generation is for 2025, the newest EIA-923 year.

U.S. Environmental Protection Agency · Emissions & Generation Resource Integrated Database (eGRID) · data for 2023 · as of Jun 16, 2025 · retrieved Oct 31, 2026 · CC-BY-4.0

Generators

Generators at King City Power Plant
GeneratorTechnologyEnergy sourceNameplateOperating sinceStatus
GTGNatural Gas Fired Combined CycleNG90.8 MW1989Operable · As of September 2026 (EIA-860M): (OP) Operating
STGNatural Gas Fired Combined CycleNG42.4 MW1989Operable · As of September 2026 (EIA-860M): (OP) Operating

U.S. Energy Information Administration · Monthly Update to the Annual Electric Generator Report (Form EIA-860M) · data for 2026-09 · as of Oct 23, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

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