Berkshire Power
Hampden County, Massachusetts · EIA plant ID 55041 · Operator: Berkshire Power Co LLC
Nameplate289MWSummer 229 MW
Generators1in service
Net generation810GWh12 mo to Dec 2025
Capacity factor24%gas/coal/oil units, summer MW
Heat rate7,393Btu/kWhfossil units, electric fuel, HHV
First online1999Runs as peaking
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 | 622.8 | — | — |
| 2002 | 1,379.1 | — | — |
| 2003 | 1,204.1 | 59.2% | 7,026 |
| 2004 | 1,232.3 | 60.4% | 7,305 |
| 2005 | 1,172.4 | 57.7% | 7,403 |
| 2006 | 637.7 | 31.4% | 7,474 |
| 2007 | 1,041.9 | 51.2% | 7,233 |
| 2008 | 1,120.3 | 54.9% | 7,232 |
| 2009 | 709.3 | 34.9% | 7,291 |
| 2010 | 1,003 | 50.0% | 7,293 |
| 2011 | 1,060.2 | 52.8% | 7,347 |
| 2012 | 761.9 | 37.8% | 7,552 |
| 2013 | 1,114.9 | 55.5% | 7,472 |
| 2014 | 1,189.1 | 59.2% | 6,034 |
| 2015 | 1,109 | 55.2% | 7,512 |
| 2016 | 822.1 | 40.8% | 7,556 |
| 2017 | 387.3 | 19.3% | 7,618 |
| 2018 | 637.2 | 31.7% | 7,537 |
| 2019 | 367.5 | 18.3% | 7,472 |
| 2020 | 617.6 | 30.7% | 7,386 |
| 2021 | 779.6 | 38.8% | 7,338 |
| 2022 | 549.2 | 27.3% | 7,338 |
| 2023 | 70.1 | 3.5% | 7,566 |
| 2024 | 573.3 | 28.5% | 7,308 |
| 2025 | 809.5 | 40.3% | 7,393 |
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 |
|---|---|---|---|---|---|---|---|---|
| GEN2 | Natural Gas Fired Combined Cycle | CS | 289 | 229.2 | Sep 1999 | Operating | — | coming soon |
| GEN1 | — | CT | 180 | 153 | Sep 1999 | not_current | — | coming soon |
Owner / operator
Operator: Berkshire Power Co LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Berkshire Power Co LLC | 100.0% | 289 MW |
Nearby plants
Within 80 km.
| ENGIE 2019 ProjectCo-MA1, LLC | 5 MW | 0.8 km |
| Route 57 Solar | 2 MW | 1.8 km |
| CES Agawam Tuckahoe Solar Hybrid | 6 MW | 3.8 km |
| Canis Major Solar Farm | 2 MW | 4.3 km |
| Agawam Solar | 2 MW | 4.7 km |
| Citizens Agawam Landfill Solar | 2 MW | 6.6 km |