PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/552
EIA plant 552
Southbury · New Haven · CT
Shepaug
Operated by FirstLight Power Resources Services LLC
Published location
Where is Shepaug?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
41.448420, -73.295321
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 | 22,677 MWh |
| 2 | 15,512 MWh |
| 3 | 23,659 MWh |
| 4 | 20,734 MWh |
| 5 | 9,980 MWh |
| 6 | 4,627 MWh |
| 7 | 5,358 MWh |
| 8 | 1,604 MWh |
| 9 | 1,065 MWh |
| 10 | 2,227 MWh |
| 11 | 1,283 MWh |
| 12 | 7,903 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| 1 | Conventional Hydroelectric | WAT | 37.2 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
552
Sector
IPP Non-CHP
Water source
Housatonic River
Data edition
2024-final