Power plant · EIA plant code 50447
S D Warren Westbrook
- Operator
- Relevate Power Management LLC
- Location
- Cumberland, ME (county level only)
- Balancing authority
- ISO New England Inc. (ISNE)
- Nameplate capacity
- 69.7 MW
- Summer capacity
- 63.5 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Generator Report (Form EIA-860) · data for 2025 · as of Sep 10, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date.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
- 14,985 MWh
- Capacity factor
- 2.5%
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Plant Operations Report (Form EIA-923) · data for 2025 · as of Sep 11, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date.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
- Carbon dioxide in 2023
- 0 metric tons
- Carbon dioxide per MWh
- 0 lb/MWh
eGRID reports 0 short tons. One short ton is 0.90718474 metric tons.
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Resource Integrated Database (eGRID) · data for 2023 · as of Jun 16, 2025 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date.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 |
|---|---|---|---|---|---|
| GEN1 | Conventional Hydroelectric | WAT | 0.6 MW | 1903 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| GEN2 | Conventional Hydroelectric | WAT | 0.6 MW | 1903 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| GEN3 | Conventional Hydroelectric | WAT | 0.6 MW | 1903 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| GEN4 | Conventional Hydroelectric | WAT | 0.8 MW | 1913 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| GEN5 | Conventional Hydroelectric | WAT | 0.8 MW | 1913 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| GEN6 | Conventional Hydroelectric | WAT | 0.8 MW | 1913 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| GEN7 | Conventional Hydroelectric | WAT | 0.6 MW | 1940 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| GEN9 | Wood/Wood Waste Biomass | WDS | 47.5 MW | 1982 | Operable · As of September 2026 (EIA-860M): (OS) Out of service and NOT expected to return to service in next calendar year |
| GN10 | Wood/Wood Waste Biomass | WDS | 15 MW | 1985 | Operable · As of September 2026 (EIA-860M): (OS) Out of service and NOT expected to return to service in next calendar year |
| GN11 | Conventional Hydroelectric | WAT | 0.6 MW | 1940 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| GN12 | Conventional Hydroelectric | WAT | 0.2 MW | 1940 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| GN13 | Conventional Hydroelectric | WAT | 0.2 MW | 1940 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| GN14 | Conventional Hydroelectric | WAT | 0.2 MW | 1940 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| GN15 | Conventional Hydroelectric | WAT | 0.2 MW | 1940 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| GN16 | Conventional Hydroelectric | WAT | 0.5 MW | 1940 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| GN17 | Conventional Hydroelectric | WAT | 0.5 MW | 1940 | 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.