How many power plants does Hawaii Electric Light operate?

EIA-860M lists 7 operating plants against “Hawaii Electric Light Co Inc” for 2026-07, totalling 198 MW of nameplate capacity in 1 state.

Is Hawaii Electric Light 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.

Hawaii Electric Light power plants

Every generating plant EIA-860M files against Hawaii Electric Light for 2026-07: 7 plants, 198 MW of nameplate capacity, across 1 state and 2 energy sources.

EIA files this entity as “Hawaii Electric Light 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: 7
Nameplate capacity: 198 MW
States: 1; HI
Energy sources: 2

Hawaii Electric Light plants by energy source

Hydro2 plants · 4 MW
Petroleum5 plants · 194 MW

Full list of Hawaii Electric Light power plants

Power plants operated by Hawaii Electric Light Co Inc

KeaholePetroleum Liquids	Hawaii Electric Light Co Inc	Hawaii	89.1	7	1984	Operating
PunaPetroleum Liquids	Hawaii Electric Light Co Inc	Hawaii	39.1	2	1988	Operating
W H HillPetroleum Liquids	Hawaii Electric Light Co Inc	Hawaii	37.1	2	1965	Operating
KanoelehuaPetroleum Liquids	Hawaii Electric Light Co Inc	Hawaii	21	5	1962	Operating
WaimeaPetroleum Liquids	Hawaii Electric Light Co Inc	Hawaii	7.5	3	1970	Operating
PuueoConventional Hydroelectric	Hawaii Electric Light Co Inc	Hawaii	3.1	2	1918	Operating
Waiau HydroConventional Hydroelectric	Hawaii Electric Light Co Inc	Hawaii	1	2	1921	Operating

Hawaii Electric Light: FAQ

How many power plants does Hawaii Electric Light operate?: EIA-860M lists 7 operating plants against “Hawaii Electric Light Co Inc” for 2026-07, totalling 198 MW of nameplate capacity in 1 state.
Is Hawaii Electric Light 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.