Walla Walla, Washington · Plant code 3927

Lower Monumental

Lower Monumental is a hydro plant in Walla Walla, Washington. This page is assembled from imported EIA-860, EIA-923, and EPA eGRID records.

Primary fuel Hydro

Route-friendly label and badge.

Total capacity 810 MW

Plant nameplate capacity.

Annual generation 1,281,014 MWh

Annual output from imported EIA and EPA records.

Capacity factor 22%

A simple way to compare utilization.

Operations

Operations details

Sector Electric Utility

Utility, IPP, industrial, or commercial style ownership.

Status Operating

Current operating status in the imported records.

Online year 1,969

Useful for technology-vintage context.

Location Kahlotus, Washington

County and state routing anchor.

Emissions

Emissions details

CO2 0 tons

Annual plant-level total.

SO2 0 tons

Annual sulfur dioxide.

NOx 0 tons

Annual nitrogen oxides.

CO2 rate 0 lbs/MWh

Emission intensity, when available.

Fuel mix

Generation by fuel at the site.

Hydro 1,281,014 MWh · 100% of generation

Ownership

Who owns the plant.

Owner USACE Northwestern Division

100%

Generators

Generator-level detail

Generator	Technology	Fuel	Capacity	Status	Online
1	Conventional Hydroelectric	Hydro	135 MW	Operating	1,969
2	Conventional Hydroelectric	Hydro	135 MW	Operating	1,969
3	Conventional Hydroelectric	Hydro	135 MW	Operating	1,970
4	Conventional Hydroelectric	Hydro	135 MW	Operating	1,979
5	Conventional Hydroelectric	Hydro	135 MW	Operating	1,979
6	Conventional Hydroelectric	Hydro	135 MW	Operating	1,979

Generation trend

Monthly output pattern

132,651 MWh

Jan

178,237 MWh

Feb

199,707 MWh

Mar

72,038 MWh

Apr

51,680 MWh

May

101,305 MWh

Jun

88,691 MWh

Jul

90,184 MWh

Aug

92,750 MWh

Sep

79,313 MWh

Oct

89,639 MWh

Nov

104,819 MWh

Dec

Nearby plants

Closest comparison sites

Columbia, Washington

Little Goose

Hydro

Little Goose is a hydro plant in Columbia, Washington. This page is assembled from imported EIA-860, EIA-923, and EPA eGRID records.

810 MW 1,441,695 MWh 0 tons CO2

USACE Northwestern Division 24.4 mi away

Adams, Washington

Rattlesnake Flat

Wind

Rattlesnake Flat is a wind plant in Adams, Washington. This page is assembled from imported EIA-860, EIA-923, and EPA eGRID records.

144 MW 415,933 MWh 0 tons CO2

Rattlesnake Flat, LLC 26.1 mi away

Columbia, Washington

Tucannon River Wind Farm

Wind

Tucannon River Wind Farm is a wind plant in Columbia, Washington. This page is assembled from imported EIA-860, EIA-923, and EPA eGRID records.

267 MW 808,346 MWh 0 tons CO2

Portland General Electric Co 26.3 mi away

Walla Walla, Washington

Ice Harbor

Hydro

Ice Harbor is a hydro plant in Walla Walla, Washington. This page is assembled from imported EIA-860, EIA-923, and EPA eGRID records.

603 MW 1,340,864 MWh 0 tons CO2

USACE Northwestern Division 27.1 mi away

Related routes

Context around this plant

County page

Walla Walla overview

See the local plant cluster around this site.

4 plants

State page

Washington

Back out to the wider state fuel mix.

138 plants

Fuel page

Hydro plants

Compare this site to plants using the same primary fuel.

1,426 plants