John P Madgett
Buffalo County, Wisconsin · EIA plant ID 4271 · Operator: Dairyland Power Coop
Nameplate387MWSummer 390 MW
Generators1in service
Net generation1,020GWh12 mo to Aug 2026
Capacity factor30%gas/coal/oil units, summer MW
Heat rate11,687Btu/kWhfossil units, electric fuel, HHV
First online1979Runs as intermediate
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 | 2,310.6 | 70.6% | 12,781 |
| 2002 | 2,098 | 64.1% | 11,397 |
| 2003 | 2,306.9 | 72.0% | 11,150 |
| 2004 | 2,075.6 | 59.4% | 10,921 |
| 2005 | 2,511.4 | 72.1% | 10,783 |
| 2006 | 2,377.6 | 68.3% | 10,534 |
| 2007 | 2,483.8 | 71.7% | 10,479 |
| 2008 | 2,620.8 | 76.0% | 10,501 |
| 2009 | 2,483.1 | 72.3% | 10,587 |
| 2010 | 2,035.2 | 62.5% | 10,924 |
| 2011 | 1,978.9 | 60.7% | 10,808 |
| 2012 | 1,932.5 | 57.0% | 10,851 |
| 2013 | 2,453.2 | 72.0% | 10,673 |
| 2014 | 1,383.6 | 40.3% | 11,142 |
| 2015 | 1,502.8 | 44.3% | 11,302 |
| 2016 | 1,787 | 52.5% | 11,248 |
| 2017 | 1,532.5 | 44.6% | 11,177 |
| 2018 | 1,891.5 | 55.4% | 11,319 |
| 2019 | 1,534.9 | 45.0% | 11,594 |
| 2020 | 1,426.8 | 41.7% | 11,864 |
| 2021 | 1,721.6 | 50.4% | 11,363 |
| 2022 | 2,101.6 | 61.6% | 11,096 |
| 2023 | 1,249.3 | 36.6% | 11,561 |
| 2024 | 914.3 | 26.7% | 12,225 |
| 2025 | 1,283.2 | 37.6% | 11,859 |
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 |
|---|---|---|---|---|---|---|---|---|
| 1 | Conventional Steam Coal | ST | 387 | 389.8 | Nov 1979 | Operating | — | coming soon |
Owner / operator
Operator: Dairyland Power Coop. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Dairyland Power Coop | 100.0% | 387 MW |
Nearby plants
Within 80 km.
| Pepin Garden | 1 MW | 6.7 km |
| DIVOCSG 14 LLC | 1 MW | 7.8 km |
| MN CSG 2019-105 | 1 MW | 8 km |
| Wabasha Solar | 1 MW | 10.9 km |
| Wabasha Holdco Solar CSG | 3 MW | 11 km |
| DIVOCSG 13 | 1 MW | 11.4 km |