| Plant | Fuel | Country | MW | t CO₂/yr |
|---|---|---|---|---|
| UW Madison Charter Street Plant | Gas | United States of America | 11 | — |
| Waupun Correctional Central Heating Plt | Oil | United States of America | 4 | — |
| Capitol Heat and Power | Oil | United States of America | 2 | — |
Ownership & capacity: WRI Global Power Plant Database (CC BY 4.0). Measured CO₂ where reported to EPA/EU ETS/Climate TRACE.