Combined Locks Energy Center
Outagamie County, Wisconsin · EIA plant ID 55558 · Operator: Appleton Coated LLC
Nameplate67MWSummer 52 MW
Generators2in service
Net generation302GWh12 mo to Dec 2025
Capacity factor66%gas/coal/oil units, summer MW
Heat rate8,124Btu/kWhfossil units, electric fuel, HHV
First online2002Runs as baseload
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 | 0 | — | — |
| 2003 | 176 | 44.5% | 9,440 |
| 2004 | 97.5 | 24.6% | 8,772 |
| 2005 | 113.2 | 28.7% | 8,772 |
| 2006 | 45.7 | 11.6% | 8,772 |
| 2007 | 74.6 | 18.9% | 8,509 |
| 2008 | 43.1 | 10.9% | 6,221 |
| 2009 | 33.9 | 8.6% | 9,118 |
| 2010 | 24.1 | 5.4% | 8,509 |
| 2011 | 23.7 | 5.3% | 8,983 |
| 2012 | 6.8 | 1.5% | 8,841 |
| 2013 | 0 | 0.0% | 10,500 |
| 2014 | 0 | 0.0% | — |
| 2015 | 0 | 0.0% | — |
| 2016 | 0 | 0.0% | — |
| 2017 | 132.2 | 29.1% | 7,946 |
| 2018 | 288.1 | 63.4% | 8,375 |
| 2019 | 362.5 | 79.7% | 8,124 |
| 2020 | 402.8 | 88.4% | 8,124 |
| 2021 | 393.2 | 86.5% | 8,124 |
| 2022 | 327.1 | 72.0% | 8,124 |
| 2023 | 376.3 | 82.8% | 8,124 |
| 2024 | 310.4 | 68.1% | 8,124 |
| 2025 | 301.6 | 66.3% | 8,124 |
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 |
|---|---|---|---|---|---|---|---|---|
| GEN1 | Natural Gas Fired Combined Cycle | CT | 60.5 | 45.9 | May 2002 | Operating | — | coming soon |
| GEN2 | Natural Gas Fired Combined Cycle | CA | 6 | 6 | May 2002 | Operating | — | coming soon |
Owner / operator
Operator: Appleton Coated LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Appleton Coated LLC | 100.0% | 67 MW |
Nearby plants
Within 80 km.
| Combined Locks | 6 MW | 0.2 km |
| Kaukauna City Hydro | 5 MW | 1.5 km |
| Kimberly Mill | 2 MW | 2.7 km |
| New Badger | 8 MW | 2.7 km |
| Island Street Peaking Plant | 61 MW | 2.9 km |
| Kaukauna Gas Turbine | 18 MW | 2.9 km |