Manitowoc
Manitowoc County, Wisconsin · EIA plant ID 4125 · Operator: Manitowoc Public Utilities
Nameplate117MWSummer 102 MW
Generators3in service
Net generation191GWh12 mo to Aug 2026
Capacity factor7%gas/coal/oil units, summer MW
Heat rate11,524Btu/kWhfossil units, electric fuel, HHV
First online1955Runs as peaking
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
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 | 262.6 | — | — |
| 2002 | 289.8 | — | — |
| 2003 | 315.1 | 40.4% | 15,080 |
| 2004 | 333.4 | 49.5% | 14,537 |
| 2005 | 334.3 | 52.3% | 16,041 |
| 2006 | 494.4 | 81.1% | 14,540 |
| 2007 | 521.3 | 51.2% | 13,555 |
| 2008 | 491 | 42.3% | 13,355 |
| 2009 | 270.2 | 23.2% | 14,870 |
| 2010 | 279.2 | 24.5% | 13,515 |
| 2011 | 196 | 17.3% | 14,575 |
| 2012 | 83.6 | 6.4% | 15,546 |
| 2013 | 114.1 | 7.5% | 14,012 |
| 2014 | 160.4 | 19.6% | 13,316 |
| 2015 | 117.3 | 15.2% | 13,358 |
| 2016 | 134.4 | 18.2% | 12,121 |
| 2017 | 168.4 | 23.8% | 11,789 |
| 2018 | 146.1 | 23.6% | 11,974 |
| 2019 | 132 | 21.2% | 12,096 |
| 2020 | 140.7 | 19.8% | 12,098 |
| 2021 | 238.5 | 35.5% | 11,369 |
| 2022 | 297.3 | 32.3% | 11,274 |
| 2023 | 194.4 | 9.9% | 11,661 |
| 2024 | 121.7 | 0.8% | 11,778 |
| 2025 | 178.1 | 3.3% | 11,544 |
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 |
|---|---|---|---|---|---|---|---|---|
| 5 | Wood/Wood Waste Biomass | ST | 22 | 22 | Jun 1955 | Operating | — | coming soon |
| 6 | Wood/Wood Waste Biomass | ST | 32 | 22 | Jun 1962 | Operating | — | coming soon |
| 9 | Petroleum Coke | ST | 63.4 | 58.4 | Apr 2007 | Operating | — | coming soon |
| 2 | Conventional Steam Coal | ST | 5 | 5 | — | Retired Dec 2003 | — | coming soon |
| 3 | Conventional Steam Coal | ST | 10 | 10 | — | Retired Dec 2003 | — | coming soon |
| 4 | Petroleum Coke | ST | 10 | 9.5 | May 1950 | Retired Sep 2011 | — | coming soon |
| IC1 | Natural Gas Internal Combustion Engine | IC | 5.5 | 5 | Sep 1985 | Retired Oct 2009 | — | coming soon |
| IC2 | Natural Gas Internal Combustion Engine | IC | 5.5 | 5 | Sep 1985 | Retired Dec 2017 | — | coming soon |
Owner / operator
Operator: Manitowoc Public Utilities. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Manitowoc Public Utilities | 100.0% | 117 MW |
Nearby plants
Within 80 km.
| Custer Energy Center | 25 MW | 5.6 km |
| Ridgeview | 5 MW | 17.2 km |
| Two Creeks Solar | 150 MW | 20.6 km |
| Point Beach Solar | 100 MW | 23.8 km |
| Point Beach Nuclear Plant | 1,311 MW | 24 km |
| Holsum Irish Dairy | retired | 34.4 km |