Power plant · EIA plant code 10823
Deer Island Treatment Plant
- Operator
- Massachusetts Wtr Rauth-Deer I
- Location
- Suffolk, MA (county level only)
- Balancing authority
- ISO New England Inc. (ISNE)
- Nameplate capacity
- 72.8 MW
- Summer capacity
- 56.3 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Generator Report (Form EIA-860) · data for 2025 · as of Sep 10, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date.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
- 33,356 MWh
- Capacity factor
- 5.2%
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Plant Operations Report (Form EIA-923) · data for 2025 · as of Sep 11, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date.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Resource Integrated Database (eGRID) · data for 2023 · as of Jun 16, 2025 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date.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 |
|---|---|---|---|---|---|
| G101 | Petroleum Liquids | DFO | 26 MW | 1995 | Operable · As of September 2026 (EIA-860M): (SB) Standby/Backup: available for service but not normally used |
| G201 | Petroleum Liquids | DFO | 26 MW | 1995 | Operable · As of September 2026 (EIA-860M): (SB) Standby/Backup: available for service but not normally used |
| H101 | Conventional Hydroelectric | WAT | 1 MW | 2001 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| H201 | Conventional Hydroelectric | WAT | 1 MW | 2001 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| PV101 | Solar Photovoltaic | SUN | 0.1 MW | 2008 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| S101 | Other Waste Biomass | OBG | 17.5 MW | 1998 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| WT101 | Onshore Wind Turbine | WND | 0.6 MW | 2009 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| WT102 | Onshore Wind Turbine | WND | 0.6 MW | 2009 | 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.