West Marinette
Marinette County, Wisconsin · EIA plant ID 4076 · Operator: Wisconsin Public Service Corp
Nameplate187MWSummer 153 MW
Generators3in service
Net generation90GWh12 mo to Dec 2025
Capacity factor7%gas/coal/oil units, summer MW
Heat rate14,575Btu/kWhfossil units, electric fuel, HHV
First online1971Runs as peaking
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 101.3 | 7.3% | 14,253 |
| 2002 | 95.1 | 7.0% | 14,257 |
| 2003 | 112.2 | 8.0% | 14,504 |
| 2004 | 47.8 | 3.4% | 14,608 |
| 2005 | 168 | 11.9% | 14,631 |
| 2006 | 39.4 | 2.7% | 14,590 |
| 2007 | 102.7 | 7.7% | 14,136 |
| 2008 | 68.6 | 5.2% | 14,492 |
| 2009 | 11.2 | 0.8% | 16,414 |
| 2010 | 16 | 1.2% | 12,843 |
| 2011 | 21.2 | 1.6% | 14,027 |
| 2012 | 39.7 | 2.9% | 14,459 |
| 2013 | 49.1 | 3.6% | 14,152 |
| 2014 | 36.6 | 2.7% | 14,750 |
| 2015 | 43 | 3.2% | 14,843 |
| 2016 | 1.3 | 0.1% | — |
| 2017 | 117.4 | 8.6% | 14,327 |
| 2018 | 83.7 | 6.0% | 14,994 |
| 2019 | 25.5 | 1.9% | 15,785 |
| 2020 | 18.4 | 1.4% | 14,157 |
| 2021 | 66.7 | 5.0% | 14,343 |
| 2022 | 127.6 | 9.7% | 13,255 |
| 2023 | 93.8 | 7.0% | 15,249 |
| 2024 | 30.6 | 2.3% | 14,075 |
| 2025 | 90.3 | 6.7% | 14,575 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| 31 | Natural Gas Fired Combustion Turbine | GT | 41.8 | 38.1 | Jun 1971 | Operating | — | coming soon |
| 32 | Natural Gas Fired Combustion Turbine | GT | 41.8 | 36.7 | Apr 1973 | Operating | — | coming soon |
| 33 | Natural Gas Fired Combustion Turbine | GT | 103.5 | 78.2 | May 1993 | Operating | — | coming soon |
Owner / operator
Operator: Wisconsin Public Service Corp. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Wisconsin Public Service Corp | 100.0% | 187 MW |
Nearby plants
Within 80 km.
| West Marinette 34 | 83 MW | 0.1 km |
| Park Mill | 2 MW | 3.6 km |
| Menominee Mill Marinette | 2 MW | 4.5 km |
| Potato Rapids | 1 MW | 6.3 km |
| Grand Rapids | 8 MW | 29.9 km |
| Sandstone Rapids | 4 MW | 33.9 km |