Nameplate capacity
9.7 MW
Rank in Wisconsin
#104
of 278 plants
In service since
1935
July 1935
Details
- Primary fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Operator
- Wisconsin Power & Light Co
- County
- Columbia County
- Generating units
- 4
- Share of state capacity
- 0.05%
- Rank among hydro plants in Wisconsin
- #13 of 61
- EIA plant code
- 4053
Generating units
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| 2 | Conventional Hydroelectric | 2.5 MW | 9.5 MW | 1939 | Operating |
| HC5 | Conventional Hydroelectric | 2.5 MW | — | 1935 | Operating |
| HC6 | Conventional Hydroelectric | 2.5 MW | — | 1937 | Operating |
| HC1 | Conventional Hydroelectric | 2.2 MW | — | 2026 | Operating |
Nameplate is the maximum rated output; summer capacity is what the unit can reliably deliver on a hot day, which is typically lower.
Similarly sized plants in Wisconsin
| Dane County Airport Solar | Solar | 11 MW |
| Galactic Wind | Wind | 9.9 MW |
| Metro Gas Recovery | Other | 9.2 MW |
| Twin Falls (WI) | Hydro | 9.2 MW |
About this data
From EIA’s inventory of operable generators, May 2026 release. Capacity is nameplate — the maximum rated output of the equipment, not what the plant actually generates over a year, which depends on how often it runs. A 9.7 MW solar plant and a 9.7 MW nuclear plant have the same entry here and produce very different amounts of electricity.
“In service since” is the earliest in-service date among the units still listed, so a site rebuilt around newer equipment can read as younger than the site itself. All Wisconsin power plants · What Wisconsin actually generates