PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/64590
EIA plant 64590
Fitchburg · Dane · WI
O'Brien Solar Fields
Operated by Madison Gas & Electric Co
Published location
Where is O'Brien Solar Fields?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
42.997665, -89.458945
Open the interactive map ↗Map data © OpenStreetMap contributors
Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 845 MWh |
| 2 | 2,665 MWh |
| 3 | 3,300 MWh |
| 4 | 3,784 MWh |
| 5 | 4,596 MWh |
| 6 | 4,325 MWh |
| 7 | 4,796 MWh |
| 8 | 4,214 MWh |
| 9 | 4,256 MWh |
| 10 | 3,325 MWh |
| 11 | 1,177 MWh |
| 12 | 1,169 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| OBSFN | Solar Photovoltaic | SUN | 8.3 | OP |
| OBSFS | Solar Photovoltaic | SUN | 8.3 | OP |
| OBSFW | Solar Photovoltaic | SUN | 5.5 | OP |
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Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
64590
Sector
Electric Utility
Water source
Unavailable
Data edition
2024-final