United States › Power plants › Oil-fired power plants › Maine
OIL-FIRED POWER PLANTSMillinocket Mill
Millinocket Mill is a 86.2 MW retired oil-fired power plant in Penobscot County, Maine, operated by HC-50 MAIN STREET, LLC.
Plant statusClosed
- Planning (completed)
- Consented (completed)
- Construction (completed)
- OperatingJul 1957 (completed)
- ClosedDec 2013 (current stage)
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| M1S3 | Petroleum Liquids | 32 MW | Retired |
| M1S4 | Petroleum Liquids | 24 MW | Retired |
| M1S1 | Petroleum Liquids | 16 MW | Retired |
| M1S2 | Petroleum Liquids | 16 MW | Retired |
Plant details
- Operator
- HC-50 MAIN STREET, LLC
- Location
- Penobscot County, Maine
- Balancing authority
- ISNE
- Sector
- Industrial CHP
- Capacity
- Retired: 86.2 MW
- First unit online
- Jul 1957
- EIA plant ID
- 55829
Location
45.6474, -68.7069
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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