Power plant · Massachusetts, United States
Northfield Mountain
Northfield Mountain is a power plant in Massachusetts, United States, with 1,168 MW of capacity, owned by FirstLight Power Resources, Inc. - MA.
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 | Massachusetts | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Status | Operating | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Start year | 1972 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | FirstLight Power Resources, Inc. - MA | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Operator | FirstLight Power Resources, Inc. - MA | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Capacity | 1,168 MW | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Technology | Hydroelectric Pumped Storage | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Coordinates | 42.6107, -72.4716 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
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How it compares
Northfield Mountain is the 2nd-largest of 8 power plants in Massachusetts and the 239th-largest of 800 in the United States by capacity; its 1,168 MW is 0.14% 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 |
|---|---|---|---|
| Massachusetts | 2nd of 8 | 6,697 MW | 17% |
| United States | 239th of 800 | 839,036 MW | 0.14% |
| All power plants in our data | 255th of 4,829 | 1,037,268 MW | 0.11% |
Owner, operator and place
Other power plants in Massachusetts
- Canal1,495 MW
- Fore River Generating Station872 MW
- Salem Harbor Power Development LP798 MW
- Bear Swamp666 MW
- ANP Bellingham Energy Project578 MW
- ANP Blackstone Energy Project578 MW
- Stony Brook542 MW
- Vineyard Wind 1800 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.