Cowlitz, Washington · Plant code 3847

Merwin

Merwin is a hydro plant in Cowlitz, 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 136 MW

Plant nameplate capacity.

Annual generation 467,317 MWh

Annual output from imported EIA and EPA records.

Capacity factor 40%

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 1,931

Useful for technology-vintage context.

Location Ariel, 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 467,317 MWh · 100% of generation

Ownership

Who owns the plant.

Owner PacifiCorp

100%

Generators

Generator-level detail

Generator	Technology	Fuel	Capacity	Status	Online
1	Conventional Hydroelectric	Hydro	45 MW	Operating	1,932
2	Conventional Hydroelectric	Hydro	45 MW	Operating	1,949
3	Conventional Hydroelectric	Hydro	45 MW	Operating	1,958
House	Conventional Hydroelectric	Hydro	1 MW	Operating	1,931

Generation trend

Monthly output pattern

66,902 MWh

Jan

57,894 MWh

Feb

41,572 MWh

Mar

33,434 MWh

Apr

44,575 MWh

May

34,826 MWh

Jun

18,469 MWh

Jul

14,688 MWh

Aug

23,272 MWh

Sep

18,323 MWh

Oct

52,656 MWh

Nov

60,706 MWh

Dec

Nearby plants

Closest comparison sites

Cowlitz, Washington

Yale

Hydro

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

134 MW 488,401 MWh 0 tons CO2

PacifiCorp 10.5 mi away

Skamania, Washington

Swift 1

Hydro

Swift 1 is a hydro plant in Skamania, Washington. This page is assembled from imported EIA-860, EIA-923, and EPA eGRID records.

240 MW 519,481 MWh 0 tons CO2

PacifiCorp 18.4 mi away

Cowlitz, Washington

Longview Fibre

Biomass

Longview Fibre is a biomass plant in Cowlitz, Washington. This page is assembled from imported EIA-860, EIA-923, and EPA eGRID records.

45 MW 235,416 MWh 20,443 tons CO2

Longview Fibre Co 20.2 mi away

Clark, Washington

River Road Gen Plant

Natural Gas

River Road Gen Plant is a natural gas plant in Clark, Washington. This page is assembled from imported EIA-860, EIA-923, and EPA eGRID records.

248 MW 1,561,558 MWh 771,101 tons CO2

PUD No 1 of Clark County - (WA) 22.8 mi away

Related routes

Context around this plant

County page

Cowlitz overview

See the local plant cluster around this site.

5 plants

State page

Washington

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138 plants

Fuel page

Hydro plants

Compare this site to plants using the same primary fuel.

1,426 plants