Shrewsbury
Worcester County, Massachusetts · EIA plant ID 6125 · Operator: Town of Shrewsbury - (MA)
Nameplate14MWSummer 14 MW
Generators5in service
Net generation2GWh12 mo to Dec 2025
Capacity factor1%gas/coal/oil units, summer MW
Heat rate13,370Btu/kWhfossil units, electric fuel, HHV
First online1969Runs as rarely runs
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 | 1.7 | — | — |
| 2002 | 0.7 | — | — |
| 2003 | 0.6 | 0.4% | 10,110 |
| 2004 | 0.1 | 0.1% | — |
| 2005 | -0.1 | -0.1% | — |
| 2006 | -0.3 | -0.3% | — |
| 2007 | -0.4 | -0.3% | — |
| 2008 | -0.4 | -0.4% | — |
| 2009 | -0.5 | -0.4% | — |
| 2010 | -0.1 | -0.1% | — |
| 2011 | -0.1 | -0.1% | — |
| 2012 | -0.5 | -0.4% | — |
| 2013 | 0.3 | 0.3% | — |
| 2014 | 1.2 | 1.0% | 15,292 |
| 2015 | 1.2 | 1.0% | 15,410 |
| 2016 | -0.3 | -0.2% | — |
| 2017 | 0.1 | 0.1% | — |
| 2018 | 0.7 | 0.6% | 17,883 |
| 2019 | 4.5 | -0.2% | — |
| 2020 | 4.9 | -0.2% | — |
| 2021 | -0.1 | -0.1% | — |
| 2022 | 0.3 | 0.2% | — |
| 2023 | -0.3 | -0.2% | — |
| 2024 | 0 | 0.0% | — |
| 2025 | 1.9 | 1.6% | 13,370 |
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 |
|---|---|---|---|---|---|---|---|---|
| 1 | Petroleum Liquids | IC | 2.8 | 2.8 | Nov 1969 | Operating | — | coming soon |
| 2 | Petroleum Liquids | IC | 2.8 | 2.8 | Nov 1969 | Operating | — | coming soon |
| 3 | Petroleum Liquids | IC | 2.8 | 2.8 | Dec 1975 | Operating | — | coming soon |
| 4 | Petroleum Liquids | IC | 2.8 | 2.8 | Dec 1975 | Operating | — | coming soon |
| 5 | Petroleum Liquids | IC | 2.8 | 2.8 | May 1978 | Operating | — | coming soon |
| G1 | Natural Gas Internal Combustion Engine | IC | 2.5 | 2.5 | Apr 2019 | not_current | — | coming soon |
| S1 | Solar Photovoltaic | PV | 3 | 2.8 | Jun 2018 | not_current | — | coming soon |
Owner / operator
Operator: Town of Shrewsbury - (MA). Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Town of Shrewsbury - (MA) | 100.0% | 14 MW |
Nearby plants
Within 80 km.
| Shrewsbury Solar | 3 MW | 2 km |
| SELCO Community Solar | 3 MW | 2.6 km |
| Centech Gas Generator | 3 MW | 3.1 km |
| Univ of Massachusetts Medical Center | 18 MW | 3.5 km |
| AbbieVie, Inc. - Worcester, MA | 3 MW | 4.3 km |
| DG Tufts Science LLC CSG | 1 MW | 4.9 km |