How many power plants does Chugach Electric Assn operate?

EIA-860M lists 7 operating plants against “Chugach Electric Assn Inc” for 2026-07, totalling 1 GW of nameplate capacity in 1 state.

Is Chugach Electric Assn 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.

Chugach Electric Assn power plants

Every generating plant EIA-860M files against Chugach Electric Assn for 2026-07: 7 plants, 1 GW of nameplate capacity, across 1 state and 3 energy sources.

EIA files this entity as “Chugach Electric Assn 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: 1 GW
States: 1; AK
Energy sources: 3

Chugach Electric Assn plants by energy source

Battery1 plants · 40 MW
Hydro2 plants · 64 MW
Natural gas4 plants · 941 MW

Full list of Chugach Electric Assn power plants

Power plants operated by Chugach Electric Assn Inc

George M Sullivan Generation Plant 22 technologies	Chugach Electric Assn Inc	Anchorage	346.9	5	1979	Operating
BelugaNatural Gas Fired Combustion Turbine	Chugach Electric Assn Inc	Kenai Peninsula	312.4	6	1968	Standby/Backup
Southcentral Power ProjectNatural Gas Fired Combined Cycle	Chugach Electric Assn Inc	Anchorage	203.9	4	2013	Operating
Hank Nikkels Plant 12 technologies	Chugach Electric Assn Inc	Anchorage	77.9	3	1972	Operating
Eklutna Hydro ProjectConventional Hydroelectric	Chugach Electric Assn Inc	Matanuska Susitna	44.4	2	1955	Operating
International Battery Substation (IBSS)Batteries	Chugach Electric Assn Inc	Anchorage	40	1	2024	Operating
Cooper LakeConventional Hydroelectric	Chugach Electric Assn Inc	Kenai Peninsula	19.4	2	1961	Operating

Chugach Electric Assn: FAQ

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