gridprims

Power plant · EIA plant code 55966

Nikiski Combined Cycle

Operator
Homer Electric Assn Inc
Location
Kenai Peninsula, AK (county level only)
Balancing authority
Not reported
Nameplate capacity
80.8 MW
Summer capacity
75.9 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
444,986 MWh
Capacity factor
62.9%

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
196,652 metric tons
Carbon dioxide per MWh
1,040 lb/MWh

eGRID reports 216,772 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 Nikiski Combined Cycle
GeneratorTechnologyEnergy sourceNameplateOperating sinceStatus
GT1Natural Gas Fired Combined CycleNG40.8 MW1986Operable · As of September 2026 (EIA-860M): (OP) Operating
ST1Natural Gas Fired Combined CycleNG40 MW2013Operable · 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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