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HYDROELECTRIC PLANTSCobble Mountain
Cobble Mountain is a 33.0 MW operating hydroelectric plant in Hampden County, Massachusetts, operated by City of Holyoke Gas and Elec Dept - (MA).
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Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| 1 | Conventional Hydroelectric | 13 MW | |
| 3 | Conventional Hydroelectric | 13 MW | |
| 2 | Conventional Hydroelectric | 7.0 MW |
Plant details
- Operator
- City of Holyoke Gas and Elec Dept - (MA)
- Location
- Hampden County, Massachusetts
- Balancing authority
- ISNE
- Sector
- Electric Utility
- Capacity
- Operating: 33.0 MW
- First unit online
- Jan 1930
- EIA plant ID
- 1630
Location
42.1171, -72.8647
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Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem