gridprims

Power plant · EIA plant code 8083

Keahole

Operator
Hawaii Electric Light Co Inc
Location
Hawaii, HI (county level only)
Balancing authority
Not reported
Nameplate capacity
89.1 MW
Summer capacity
79 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
319,515 MWh
Capacity factor
40.9%

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
181,168 metric tons
Carbon dioxide per MWh
1,628 lb/MWh

eGRID reports 199,704 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 Keahole
GeneratorTechnologyEnergy sourceNameplateOperating sinceStatus
2Petroleum LiquidsDFO17.6 MW1989Operable · As of September 2026 (EIA-860M): (OP) Operating
21Petroleum LiquidsDFO2.5 MW1984Operable · As of September 2026 (EIA-860M): (OP) Operating
22Petroleum LiquidsDFO2.5 MW1984Operable · As of September 2026 (EIA-860M): (OP) Operating
23Petroleum LiquidsDFO2.5 MW1988Operable · As of September 2026 (EIA-860M): (OP) Operating
7Petroleum LiquidsDFO18 MW2009Operable · As of September 2026 (EIA-860M): (OP) Operating
CT4Petroleum LiquidsDFO23 MW2004Operable · As of September 2026 (EIA-860M): (OP) Operating
CT5Petroleum LiquidsDFO23 MW2004Operable · 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

Report a problem

Tell us what looks wrong. The report holds only what you see in the preview below. Nothing is sent until you press Send.

Exactly what will be sent