Royalston Solar OnePlanned
Worcester County, Massachusetts · EIA plant ID 65136 · Operator: royalston solar one, llc
3 MW planned (Batteries), first expected Jun 2027 · EIA-860M
Nameplate—MWSummer — MW
Generators0in service
Net generation—GWh12 mo
Capacity factor—no 923 generation in the last 12 months
Heat rate—thermal plants only
First online—
Capacity factor by year
Net MWh ÷ (summer MW × hours), primary-fuel units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
No capacity factor available.
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.
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 |
|---|---|---|---|---|---|---|---|---|
| VCPS1 | Batteries | BA | 2.5 | 2.5 | planned Jun 2027 | Planned | — | coming soon |
Owner / operator
Operator: royalston solar one, llc. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Nearby plants
Within 80 km.
| OSG Solar 1 LLC | 3 MW | 7 km |
| Adams Farm Solar | 3 MW | 7.7 km |
| Winchendon Landfill Solar | 2 MW | 8.5 km |
| 580 River Solar | 3 MW | 9.1 km |
| Barton Acres Solar, LLC CSG | 1 MW | 10.9 km |
| Partridgeville Hybrid CSG | 5 MW | 12.3 km |