How many power plants does Hawaiian Electric operate?

EIA-860M lists 6 operating plants against “Hawaiian Electric Co Inc” for 2026-07, totalling 1 GW of nameplate capacity in 1 state.

Is Hawaiian Electric the owner of these plants?

EIA-860M names one reporting entity per generator. That entity operates the plant on the survey; ownership can sit with a parent, a partnership or a tax-equity structure that the form does not record.

Why are affiliates listed separately?

Because EIA files them separately. Rolling subsidiaries into a parent would need an ownership map EIA-860M does not publish, so this page does not invent one.

Hawaiian Electric power plants

Every generating plant EIA-860M files against Hawaiian Electric for 2026-07: 6 plants, 1 GW of nameplate capacity, across 1 state and 3 energy sources.

EIA files this entity as “Hawaiian Electric Co Inc”.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Plants: 6
Nameplate capacity: 1 GW
States: 1; HI
Energy sources: 3

Hawaiian Electric plants by energy source

Biomass2 plants · 60 MW
Petroleum3 plants · 1,097 MW
Solar1 plants · 20 MW

Full list of Hawaiian Electric power plants

Power plants operated by Hawaiian Electric Co Inc

KahePetroleum Liquids	Hawaiian Electric Co Inc	Honolulu	609.7	6	1963	Operating
WaiauPetroleum Liquids	Hawaiian Electric Co Inc	Honolulu	374.6	6	1959	Operating
Campbell Industrial ParkPetroleum Liquids	Hawaiian Electric Co Inc	Honolulu	113	1	2009	Operating
Schofield Generating StationOther Waste Biomass	Hawaiian Electric Co Inc	Honolulu	50.4	6	2018	Operating
West Loch Solar OneSolar Photovoltaic	Hawaiian Electric Co Inc	Honolulu	20	1	2019	Operating
HNL Emergency Power FacilityOther Waste Biomass	Hawaiian Electric Co Inc	Honolulu	10	4	2017	Operating

Hawaiian Electric: FAQ

How many power plants does Hawaiian Electric operate?: EIA-860M lists 6 operating plants against “Hawaiian Electric Co Inc” for 2026-07, totalling 1 GW of nameplate capacity in 1 state.
Is Hawaiian Electric the owner of these plants?: EIA-860M names one reporting entity per generator. That entity operates the plant on the survey; ownership can sit with a parent, a partnership or a tax-equity structure that the form does not record.
Why are affiliates listed separately?: Because EIA files them separately. Rolling subsidiaries into a parent would need an ownership map EIA-860M does not publish, so this page does not invent one.