How many power plants does USACE Northwestern Division operate?

EIA-860M lists 21 operating plants against “USACE Northwestern Division” for 2026-07, totalling 13 GW of nameplate capacity in 4 states.

Is USACE Northwestern Division 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.

USACE Northwestern Division power plants

Every generating plant EIA-860M files against USACE Northwestern Division for 2026-07: 21 plants, 13 GW of nameplate capacity, across 4 states and 1 energy source.

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: 21
Nameplate capacity: 13 GW
States: 4; ID, MT, OR, WA
Energy sources: 1

USACE Northwestern Division plants by energy source

Hydro21 plants · 13,111 MW

Full list of USACE Northwestern Division power plants

Power plants operated by USACE Northwestern Division

Chief JosephConventional Hydroelectric	USACE Northwestern Division	Douglas	2,456.2	27	1955	Operating
John DayConventional Hydroelectric	USACE Northwestern Division	Sherman	2,160	16	1968	Operating
The DallesConventional Hydroelectric	USACE Northwestern Division	Wasco	1,819.7	24	1957	Operating
BonnevilleConventional Hydroelectric	USACE Northwestern Division	Multnomah	1,162	20	1938	Operating
McNaryConventional Hydroelectric	USACE Northwestern Division	Umatilla	990.5	14	1953	Operating
Little GooseConventional Hydroelectric	USACE Northwestern Division	Columbia	810	6	1970	Operating
Lower MonumentalConventional Hydroelectric	USACE Northwestern Division	Walla Walla	810	6	1969	Operating
Lower GraniteConventional Hydroelectric	USACE Northwestern Division	Whitman	810	6	1975	Operating
Ice HarborConventional Hydroelectric	USACE Northwestern Division	Walla Walla	603	6	1962	Operating
LibbyConventional Hydroelectric	USACE Northwestern Division	Lincoln	525	5	1975	Operating
DworshakConventional Hydroelectric	USACE Northwestern Division	Clearwater	465	3	1974	Operating
Lookout PointConventional Hydroelectric	USACE Northwestern Division	Lane	120	3	1955	Operating
DetroitConventional Hydroelectric	USACE Northwestern Division	Marion	100	2	1953	Operating
Green PeterConventional Hydroelectric	USACE Northwestern Division	Linn	80	2	1967	Operating
Lost CreekConventional Hydroelectric	USACE Northwestern Division	Jackson	49	2	1977	Operating
Albeni FallsConventional Hydroelectric	USACE Northwestern Division	Bonner	42	3	1955	Operating
Hills CreekConventional Hydroelectric	USACE Northwestern Division	Lane	30	2	1962	Operating
CougarConventional Hydroelectric	USACE Northwestern Division	Lane	26	2	1964	Operating
FosterConventional Hydroelectric	USACE Northwestern Division	Linn	20	2	1968	Operating
Big CliffConventional Hydroelectric	USACE Northwestern Division	Marion	18	1	1954	Out of service but expected to return to service in next calendar year
DexterConventional Hydroelectric	USACE Northwestern Division	Lane	15	1	1955	Operating

USACE Northwestern Division: FAQ

How many power plants does USACE Northwestern Division operate?: EIA-860M lists 21 operating plants against “USACE Northwestern Division” for 2026-07, totalling 13 GW of nameplate capacity in 4 states.
Is USACE Northwestern Division 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.