West Marinette 34
Marinette County, Wisconsin · EIA plant ID 7799 · Operator: Madison Gas & Electric Co
Nameplate83MWSummer 71 MW
Generators1in service
Net generation85GWh12 mo to Dec 2025
Capacity factor14%gas/coal/oil units, summer MW
Heat rate13,179Btu/kWhfossil units, electric fuel, HHV
First online2000Runs 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 | 59 | 8.5% | 14,410 |
| 2002 | 65.5 | 9.4% | 12,687 |
| 2003 | 53.2 | 7.6% | 12,561 |
| 2004 | 21 | 3.0% | 13,056 |
| 2005 | 96.3 | 13.8% | 12,738 |
| 2006 | 19.4 | 2.8% | 11,258 |
| 2007 | 42.6 | 6.1% | 12,823 |
| 2008 | 31.8 | 4.5% | 12,933 |
| 2009 | -7.9 | -1.2% | — |
| 2010 | 3 | 0.5% | 16,893 |
| 2011 | 2.5 | 0.4% | 17,645 |
| 2012 | 19.4 | 3.0% | 13,678 |
| 2013 | 8.5 | 1.3% | 14,277 |
| 2014 | 25.7 | 4.0% | 12,989 |
| 2015 | 49.5 | 7.6% | 12,955 |
| 2016 | 48 | 7.5% | 12,459 |
| 2017 | 56.8 | 8.9% | 12,316 |
| 2018 | 152.3 | 24.7% | 12,493 |
| 2019 | 84.6 | 13.5% | 12,605 |
| 2020 | 92.1 | 14.6% | 12,635 |
| 2021 | 56 | 9.3% | 12,936 |
| 2022 | 121.5 | 19.8% | 12,649 |
| 2023 | 82.9 | 13.8% | 13,238 |
| 2024 | 43.6 | 7.0% | 13,046 |
| 2025 | 84.9 | 13.7% | 13,179 |
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 |
|---|---|---|---|---|---|---|---|---|
| 34 | Natural Gas Fired Combustion Turbine | GT | 83 | 70.6 | Jun 2000 | Operating | — | coming soon |
Owner / operator
Operator: Madison Gas & Electric Co. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Madison Gas & Electric Co | 100.0% | 83 MW |
Nearby plants
Within 80 km.
| West Marinette | 187 MW | 0.1 km |
| Park Mill | 2 MW | 3.6 km |
| Menominee Mill Marinette | 2 MW | 4.6 km |
| Potato Rapids | 1 MW | 6.2 km |
| Grand Rapids | 8 MW | 29.9 km |
| Sandstone Rapids | 4 MW | 33.9 km |