Power plant · EIA plant code 54639
Berlin Gorham
- Operator
- Great Lakes Hydro America LLC
- Location
- Coos, NH (county level only)
- Balancing authority
- ISO New England Inc. (ISNE)
- Nameplate capacity
- 44.3 MW
- Summer capacity
- 44.4 MW
U.S. Energy Information Administration · Annual Electric Generator Report (Form EIA-860) · data for 2025 · as of Sep 10, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Sep 10, 2027. Last checked for an update: Oct 31, 2026.
Generation in 2025
- Net generation
- 101,103 MWh
- Capacity factor
- 26.1%
Capacity factor is net generation divided by nameplate capacity times the hours each generator was in service that year, counted by month.
U.S. Energy Information Administration · Power Plant Operations Report (Form EIA-923) · data for 2025 · as of Sep 11, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Sep 11, 2027. Last checked for an update: Oct 31, 2026.
Emissions
eGRID2023 (revision 2) reports no carbon dioxide for this plant.
Emissions are for 2023, the newest eGRID year. Generation is for 2025, the newest EIA-923 year.
U.S. Environmental Protection Agency · Emissions & Generation Resource Integrated Database (eGRID) · data for 2023 · as of Jun 16, 2025 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Jan 31, 2026. Last checked for an update: Oct 31, 2026.
Generators
| Generator | Technology | Energy source | Nameplate | Operating since | Status |
|---|---|---|---|---|---|
| BESS1 | Batteries | MWH | 14 MW | 2023 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| CAS1 | Conventional Hydroelectric | WAT | 2.4 MW | 1914 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| CAS2 | Conventional Hydroelectric | WAT | 2.4 MW | 1916 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| CAS3 | Conventional Hydroelectric | WAT | 3.1 MW | 1918 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| GOR1 | Conventional Hydroelectric | WAT | 1.2 MW | 1920 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| GOR2 | Conventional Hydroelectric | WAT | 1.2 MW | 1920 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| GOR3 | Conventional Hydroelectric | WAT | 1.2 MW | 1920 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| GOR4 | Conventional Hydroelectric | WAT | 1.2 MW | 1920 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| RS1 | Conventional Hydroelectric | WAT | 3.8 MW | 1920 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| RS3 | Conventional Hydroelectric | WAT | 4.1 MW | 1920 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| SH2 | Conventional Hydroelectric | WAT | 0.9 MW | 1916 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| SHL1 | Conventional Hydroelectric | WAT | 0.9 MW | 1916 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| SHL3 | Conventional Hydroelectric | WAT | 1.8 MW | 1929 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| SM1 | Conventional Hydroelectric | WAT | 0.8 MW | 1980 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| SM2 | Conventional Hydroelectric | WAT | 0.8 MW | 1980 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| SM3 | Conventional Hydroelectric | WAT | 0.7 MW | 1980 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| SM4 | Conventional Hydroelectric | WAT | 0.8 MW | 1980 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| XP1 | Conventional Hydroelectric | WAT | 0.6 MW | 1921 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| XP2 | Conventional Hydroelectric | WAT | 0.6 MW | 1921 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| XP3 | Conventional Hydroelectric | WAT | 0.6 MW | 1921 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| XP4 | Conventional Hydroelectric | WAT | 0.5 MW | 1921 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| XP5 | Conventional Hydroelectric | WAT | 0.7 MW | 1924 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
U.S. Energy Information Administration · Monthly Update to the Annual Electric Generator Report (Form EIA-860M) · data for 2026-09 · as of Oct 23, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Nov 23, 2026. Last checked for an update: Oct 31, 2026.