Elroy
Juneau County, Wisconsin · EIA plant ID 4113 · Operator: City of Elroy - (WI)
Nameplate7MWSummer 7 MW
Generators3in service
Net generation0GWh12 mo to Dec 2025
Capacity factor0%gas/coal/oil units, summer MW
Heat rate10,417Btu/kWhfossil units, electric fuel, HHV
First online1973Runs as rarely runs
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 | 0.1 | 0.5% | 12,104 |
| 2002 | 0.1 | 0.4% | 9,259 |
| 2003 | 0.2 | 0.9% | 9,794 |
| 2004 | 0.1 | 0.5% | 10,303 |
| 2005 | 0.3 | 0.6% | 9,125 |
| 2006 | 0.2 | 0.3% | 12,227 |
| 2007 | 0.2 | 0.4% | 12,622 |
| 2008 | 0.1 | 0.2% | 10,651 |
| 2009 | 0.1 | 0.1% | 11,279 |
| 2010 | 0 | 0.1% | 12,394 |
| 2011 | 0 | 0.0% | 20,560 |
| 2012 | 0 | 0.1% | 10,769 |
| 2013 | 0 | 0.1% | 16,971 |
| 2014 | 0 | 0.0% | 11,050 |
| 2015 | 0 | 0.0% | 12,923 |
| 2016 | 0 | 0.1% | 6,824 |
| 2017 | 0 | 0.0% | 18,478 |
| 2018 | 0 | 0.1% | 7,273 |
| 2019 | 0.1 | 0.1% | — |
| 2020 | 0 | 0.1% | 9,758 |
| 2021 | 0.1 | 0.2% | 10,000 |
| 2022 | 0 | 0.0% | 10,400 |
| 2023 | 0 | 0.0% | — |
| 2024 | 0 | 0.0% | — |
| 2025 | 0 | 0.1% | 10,417 |
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 |
|---|---|---|---|---|---|---|---|---|
| 1A | Petroleum Liquids | IC | 2.3 | 2.2 | Feb 2005 | Operating | — | coming soon |
| 2A | Petroleum Liquids | IC | 2.3 | 2.2 | Feb 2005 | Operating | — | coming soon |
| 5 | Petroleum Liquids | IC | 2 | 2.2 | May 1973 | Operating | — | coming soon |
| 6 | Petroleum Liquids | IC | 2.2 | 2.1 | planned Dec 2004 | not_current | — | coming soon |
| 7 | Petroleum Liquids | IC | 2.2 | 2.1 | planned Dec 2004 | not_current | — | coming soon |
Owner / operator
Operator: City of Elroy - (WI). Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| City of Elroy - (WI) | 100.0% | 7 MW |
Nearby plants
Within 80 km.
| Webster Creek (Oak 2) | 2 MW | 16.4 km |
| Sauk DPC Solar | 1 MW | 16.6 km |
| New Lisbon | 8 MW | 17.6 km |
| New Lisbon Solar | 3 MW | 19.1 km |
| Elroy Solar | 2 MW | 19.5 km |
| Lemonweir (Oak 1) | 3 MW | 20.4 km |