Lewis, Washington · Plant code 3918

Mossyrock

Mossyrock is a hydro plant in Lewis, 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 300 MW

Plant nameplate capacity.

Annual generation 811,561 MWh

Annual output from imported EIA and EPA records.

Capacity factor 27%

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 1,968

Useful for technology-vintage context.

Location Silver Creek, 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 811,561 MWh · 100% of generation

Ownership

Who owns the plant.

Owner City of Tacoma - (WA)

100%

Generators

Generator-level detail

Generator	Technology	Fuel	Capacity	Status	Online
51	Conventional Hydroelectric	Hydro	150 MW	Operating	1,968
52	Conventional Hydroelectric	Hydro	150 MW	Operating	1,968

Generation trend

Monthly output pattern

98,504 MWh

Jan

89,612 MWh

Feb

67,078 MWh

Mar

78,303 MWh

Apr

76,401 MWh

May

101,704 MWh

Jun

46,878 MWh

Jul

53,356 MWh

Aug

49,048 MWh

Sep

54,667 MWh

Oct

33,575 MWh

Nov

62,435 MWh

Dec

Nearby plants

Closest comparison sites

Lewis, Washington

Mayfield

Hydro

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

164 MW 576,354 MWh 0 tons CO2

City of Tacoma - (WA) 8.1 mi away

Lewis, Washington

Cowlitz Falls

Hydro

Cowlitz Falls is a hydro plant in Lewis, Washington. This page is assembled from imported EIA-860, EIA-923, and EPA eGRID records.

70 MW 196,307 MWh 0 tons CO2

PUD No 1 of Lewis County 15.7 mi away

Pierce, Washington

Alder

Hydro

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

50 MW 182,852 MWh 0 tons CO2

City of Tacoma - (WA) 19.2 mi away

Pierce, Washington

LaGrande

Hydro

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

64 MW 297,313 MWh 0 tons CO2

City of Tacoma - (WA) 21.2 mi away

Related routes

Context around this plant

County page

Lewis overview

See the local plant cluster around this site.

6 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