Brook Street Solar 1 CSG
Plymouth County, Massachusetts · EIA plant ID 61008 · Operator: Brook Street Solar 1, LLC
Nameplate5MWSummer 5 MW
Generators1in service
Net generation3GWh12 mo to Dec 2025
Capacity factor8%solar units, summer MW
Heat rate—thermal plants only
First online2017
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 | 0.7 | 3.7% | — |
| 2018 | 5.8 | 13.3% | — |
| 2019 | 8.3 | 19.1% | — |
| 2020 | 8.5 | 19.3% | — |
| 2021 | 8.7 | 19.9% | — |
| 2022 | 5.5 | 12.7% | — |
| 2023 | 5.5 | 12.5% | — |
| 2024 | 3.4 | 7.8% | — |
| 2025 | 3.4 | 7.9% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| BROOK | Solar Photovoltaic | PV | 5 | 5 | Aug 2017 | Operating | — | coming soon |
Owner / operator
Operator: Brook Street Solar 1, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Brook Street Solar 1, LLC | 100.0% | 5 MW |
Nearby plants
Within 80 km.
| Plymouth Site 1 | 4 MW | 0.8 km |
| Upland | 7 MW | 0.9 km |
| Ring Road | 4 MW | 2.2 km |
| Spring Street Solar 1 CSG | 2 MW | 2.2 km |
| Plympton Main Street Solar, LLC | 5 MW | 2.5 km |
| Carver MA 1 Community Solar | 2 MW | 2.5 km |