Spencer Solar MA
Worcester County, Massachusetts · EIA plant ID 67151 · Operator: Citizens Enterprises Corporation
Nameplate3MWSummer 3 MW
Generators1in service
Net generation4GWh12 mo to Dec 2025
Capacity factor18%solar units, summer MW
Heat rate—thermal plants only
First online2020
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) |
|---|---|---|---|
| 2023 | 2.8 | 12.7% | — |
| 2024 | 3.6 | 16.6% | — |
| 2025 | 4 | 18.2% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| PV1 | Solar Photovoltaic | PV | 2.5 | 2.5 | Mar 2020 | Operating | — | coming soon |
Owner / operator
Operator: Citizens Enterprises Corporation. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Spencer Landfill Solar LLC | 100.0% | 3 MW |
Nearby plants
Within 80 km.
| East Brookfield Main Street Solar LLC CSG | 1 MW | 1.3 km |
| Vuelta Solar | 6 MW | 2.2 km |
| Old Wardour Solar | 6 MW | 2.2 km |
| East Brookfield Adams Road Solar LLC CSG | 8 MW | 3.4 km |
| Cycz Solar Project CSG Hybrid | 3 MW | 3.5 km |
| BWC Lake Lashaway, LLC Hybrid | 8 MW | 3.6 km |