Natural gasOperatingMISO

West Marinette

Natural gas power plant in Marinette County, Wisconsin. 187.1 MW of nameplate capacity across 3 generators, operated by Wisconsin Public Service Corp.

Also known as West Marinette Power Plant · EIA plant 4076

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Menominee Mill MarinettePotato RapidsGrand RapidsSandstone RapidsWest Marinette10 km
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6 plants within 34 km, from EIA coordinates.

Key facts

Capacity
187.1 MWNameplate
Generators
3 operatingEIA-860M, August 2026
Operating since
June 1971First generator online
Operator
Wisconsin Public Service CorpEIA operator ID 20860
Grid
MISOBalancing authority MISO
Price nodes
3 MISO nodesResource nodes with prices
Location
Marinette County, WI45.0869, −87.6881
EIA plant ID
4076EIA plant page

Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.

How much power West Marinette produces

Free · EIA-923

Net generation, 2025

90.3 GWh

90,259 MWh, final

Capacity factor, 2025

5.5%

2024: 1.9%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

1.3–127.6

GWh a year. Low 2016, high 2022

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
2000153,716Not reported12 of 12
2001101,316Not reported12 of 12
200295,106Not reported12 of 12
2003112,151Not reported12 of 12
200447,785Not reported12 of 12
2005168,018Not reported12 of 12
200639,370Not reported12 of 12
2007102,652Not reported12 of 12
200868,565Not reported12 of 12
200911,177Not reported12 of 12
201016,0321.1%12 of 12
201121,2011.4%12 of 12
201239,7042.7%12 of 12
201349,0693.4%12 of 12
201436,603Not reported12 of 12
201543,0122.6%12 of 12
20161,3320.1%12 of 12
2017117,3517.2%12 of 12
201883,7085.1%12 of 12
201925,4591.6%12 of 12
202018,4011.1%12 of 12
202166,7344.1%12 of 12
2022127,5767.8%12 of 12
202393,7905.7%12 of 12
202430,6471.9%12 of 12
202590,2595.5%12 of 12
2026 (provisional, partial year)Not reportedNot reported0 of 7

* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.

Power prices and basis

Free account · MISO

Emissions

Free · EPA CAMPD

CO₂, 2025

71,486

US short tons. 2024: Not reported

SO₂, 2025

0

US short tons

NOx, 2025

105

US short tons

CO₂ per MWh, calculated

0.79 t

About 1,584 lb per MWh

5 of 5 EPA units reported CO₂ in 2025 (**33, 31A, 31B, 32A, 32B), matched to EIA plant 4076 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.

Water use

Free · EIA-923 cooling, USGS

No EIA cooling-water record for this plant in 2024.

Generators

Free · EIA-860M
GeneratorTechnologyNameplate MWOnline since
31Natural Gas Fired Combustion Turbine41.8June 1971
32Natural Gas Fired Combustion Turbine41.8April 1973
33Natural Gas Fired Combustion Turbine103.5May 1993

Ownership and offtake

Pro
Pro

Ownership and offtake are part of Pro

Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Wisconsin Public Service Corp as the operator, which is not always the owner.

Modeled data

Pro

Pro adds modeled values for this plant. Everything above stays free.

Modeled

Generation potential vs reported

Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.

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Power plants near West Marinette

More plants operated by Wisconsin Public Service Corp

Questions about West Marinette

How much power does West Marinette produce?

West Marinette reported 90,259 MWh (90.3 GWh) of net generation in 2025, a 5.5% capacity factor on 187.1 MW of nameplate capacity.

Where is West Marinette?

West Marinette is in Marinette County, Wisconsin, at 45.0869, −87.6881. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).

Who operates West Marinette?

EIA-860M for August 2026 lists Wisconsin Public Service Corp as the operator (EIA operator ID 20860). The operator is not always the owner.

When did West Marinette start operating?

Its first generator began operating in June 1971, according to EIA-860M.

Does InfraMap have power prices for West Marinette?

Yes. InfraMap has MISO day-ahead and real-time prices at 3 price nodes linked to West Marinette, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.

Sources

  • EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
  • EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
  • EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
  • MISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
  • Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)

Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page