Devens
Middlesex County, Massachusetts · EIA plant ID 59358 · Operator: Altus Power America Management, LLC
Nameplate3MWSummer 2 MW
Generators1in service
Net generation5GWh12 mo to Dec 2025
Capacity factor26%solar units, summer MW
Heat rate—thermal plants only
First online2014
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), solar 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.
Heat rate applies to fuel-burning (thermal) units only.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2014 | 2.4 | 23.0% | — |
| 2015 | 5 | 28.5% | — |
| 2016 | 5 | 28.5% | — |
| 2017 | 4.6 | 26.5% | — |
| 2018 | 4.4 | 25.2% | — |
| 2019 | 3.8 | 21.8% | — |
| 2020 | 5 | 28.4% | — |
| 2021 | 4.9 | 27.9% | — |
| 2022 | 4.9 | 27.9% | — |
| 2023 | 4.4 | 24.9% | — |
| 2024 | 4.9 | 27.8% | — |
| 2025 | 4.6 | 26.1% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| MA2 | Solar Photovoltaic | PV | 3 | 2 | Jun 2014 | Operating | — | coming soon |
Owner / operator
Operator: Altus Power America Management, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Altus Power America Management, LLC | 100.0% | 3 MW |
Nearby plants
Within 80 km.
| Shirley Water | 2 MW | 0.5 km |
| EBZ Solar | 3 MW | 1.3 km |
| MDFA Devens-Saratoga | 3 MW | 2.8 km |
| GSPP Devens, LLC | 2 MW | 3.7 km |
| Shirley Landfill | 1 MW | 4.6 km |
| EDF Lancaster | 5 MW | 4.6 km |