Dighton Power Plant
Bristol County, Massachusetts · EIA plant ID 55026 · Operator: Dighton Power, LLC
Nameplate200MWSummer 166 MW
Generators1in service
Net generation276GWh12 mo to Dec 2025
Capacity factor19%gas/coal/oil units, summer MW
Heat rate7,933Btu/kWhfossil units, electric fuel, HHV
First online1999Runs as intermediate
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 714.1 | 57.0% | 7,811 |
| 2002 | 580.6 | 46.4% | 7,844 |
| 2003 | 442.5 | 31.8% | 7,955 |
| 2004 | 632.9 | 50.7% | 7,969 |
| 2005 | 511.5 | 41.1% | 8,039 |
| 2006 | 254.7 | 20.5% | 7,974 |
| 2007 | 247.7 | 19.4% | 8,279 |
| 2008 | 301.4 | 22.9% | 8,218 |
| 2009 | 257.7 | 19.6% | 8,174 |
| 2010 | 522.3 | 39.8% | 8,220 |
| 2011 | 980.2 | 72.9% | 8,030 |
| 2012 | 657.2 | 47.6% | 7,796 |
| 2013 | 803.9 | 55.9% | 7,819 |
| 2014 | 915.7 | 63.7% | 7,682 |
| 2015 | 864.1 | 60.1% | 7,937 |
| 2016 | 594.2 | 41.5% | 7,963 |
| 2017 | 656.7 | 46.1% | 7,961 |
| 2018 | 369 | 25.8% | 7,970 |
| 2019 | 269.8 | 18.8% | 8,023 |
| 2020 | 208.8 | 14.7% | 8,119 |
| 2021 | 253.6 | 17.7% | 8,074 |
| 2022 | 254 | 17.6% | 7,927 |
| 2023 | 358.4 | 24.7% | 7,892 |
| 2024 | 531.1 | 36.5% | 7,776 |
| 2025 | 275.5 | 19.0% | 7,933 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| UNT1 | Natural Gas Fired Combined Cycle | CS | 200 | 165.6 | May 1999 | Operating | — | coming soon |
Owner / operator
Operator: Dighton Power, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Dighton Power, LLC | 100.0% | 200 MW |
Nearby plants
Within 80 km.
| Southern Sky Renew Energy Berkley LLC | 3 MW | 2.8 km |
| MA-Dighton-A | 4 MW | 3 km |
| DG Dighton LLC CSG | 3 MW | 3.7 km |
| ISM Solar Dighton 2, LLC CSG | 2 MW | 4.1 km |
| Cleary Flood Hybrid | 121 MW | 4.1 km |
| Elm Street | 3 MW | 4.6 km |