Power plant · Maine, United States
William F Wyman Hybrid
William F Wyman Hybrid is a power plant in Maine, United States, with 863 MW of capacity, owned by FPL Energy Wyman LLC (88.5%), Constellation Nuclear (4.3%), Massachusetts Mun Wholes Electric Co (2.7%) and 2 others.
Facts
Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.
| Fact | Value | Source |
|---|---|---|
| Location | Maine | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Status | Operating | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Start year | 1957 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | FPL Energy Wyman LLC (88.5%) | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | Constellation Nuclear (4.3%) | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | Massachusetts Mun Wholes Electric Co (2.7%) | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | Public Service Co of NH (2.3%) | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | Green Mountain Power Corp (2.1%) | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Operator | FPL Energy Wyman LLC | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Capacity | 863 MW | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Technology | Petroleum Liquids | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Coordinates | 43.7508, -70.1567 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
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How it compares
William F Wyman Hybrid is the largest of 3 power plants in Maine and the 367th-largest of 800 in the United States by capacity; its 863 MW is 0.1% of the 839,036 MW we hold for the United States. Ranks and totals cover the power plants in our data that report their capacity, not every one in existence. Power plants planned, permitted or under construction are ranked apart.
| Within | Rank | Total | Share |
|---|---|---|---|
| Maine | 1st of 3 | 1,977 MW | 44% |
| United States | 367th of 800 | 839,036 MW | 0.1% |
| All power plants in our data | 397th of 4,829 | 1,037,268 MW | <0.1% |
Owners, operator and place
- FPL Energy Wyman LLCOwner · 88.5%
- Constellation NuclearOwner · 4.3%
- Massachusetts Mun Wholes Electric CoOwner · 2.7%
- Public Service Co of NHOwner · 2.3%
- Green Mountain Power CorpOwner · 2.1%
- FPL Energy Wyman LLCOperator
- Power plants in Maine, United States5
- Power plants in the United States1,635
- The United States: country profile
- Largest power plants
Other power plants in Maine
- Westbrook Energy Center Power Plant564 MW
- Maine Independence Station550 MW
- Freedom Pine Solar250 MW · planned
- Three Rivers Solar Power, LLC100 MW · under construction
Data on this page
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- Bundesnetzagentur, Marktstammdatenregister. Marktstammdatenregister, DL-DE-BY-2.0.