UMASS
Hampshire County, Massachusetts · EIA plant ID 61603 · Operator: RWE Clean Energy
Nameplate4MWSummer 4 MW
Generators1in service
Net generation5GWh12 mo to Dec 2025
Capacity factor15%solar units, summer MW
Heat rate—thermal plants only
First online2016
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) |
|---|---|---|---|
| 2017 | 5.2 | 14.9% | — |
| 2018 | 5.7 | 16.3% | — |
| 2019 | 5.6 | 15.8% | — |
| 2020 | 5.8 | 16.5% | — |
| 2021 | 5.6 | 16.0% | — |
| 2022 | 7.2 | 20.5% | — |
| 2023 | 0.9 | 2.7% | — |
| 2024 | 5.6 | 16.1% | — |
| 2025 | 5.2 | 14.7% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| UMASS | Solar Photovoltaic | PV | 4 | 4 | Oct 2016 | Operating | — | coming soon |
Owner / operator
Operator: RWE Clean Energy. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| RWE Clean Energy | 100.0% | 4 MW |
Nearby plants
Within 80 km.
| Central Heating Plant | 20 MW | 0.4 km |
| UMass PV Lot 22 | 4 MW | 1 km |
| UMass PV Lot 49 | 1 MW | 1 km |
| Pulpit Hill | 5 MW | 2.1 km |
| Amherst College Co Gen | 1 MW | 2.7 km |
| Montague Road Solar | 6 MW | 3.4 km |