BWC Origination 18
Plymouth County, Massachusetts · EIA plant ID 62368 · Operator: BWC Origination 18, LLC
Nameplate5MWSummer 5 MW
Generators1in service
Net generation7GWh12 mo to Dec 2025
Capacity factor18%solar units, summer MW
Heat rate—thermal plants only
First online2018
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) |
|---|---|---|---|
| 2018 | 0 | 0.0% | — |
| 2019 | 4.9 | 11.7% | — |
| 2020 | 7.3 | 17.4% | — |
| 2021 | 6.9 | 16.4% | — |
| 2022 | 8 | 19.0% | — |
| 2023 | 7.4 | 17.6% | — |
| 2024 | 7.6 | 18.1% | — |
| 2025 | 7.4 | 17.5% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| 62591 | Solar Photovoltaic | PV | 4.8 | 4.8 | Dec 2018 | Operating | — | coming soon |
Owner / operator
Operator: BWC Origination 18, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| BWC Origination 18, LLC | 100.0% | 5 MW |
Nearby plants
Within 80 km.
| Randall Lane Solar | — | 1.9 km |
| Fairhaven C CSG | 2 MW | 2.9 km |
| Fairhaven MA 2 | 3 MW | 3.8 km |
| Apollo | 4 MW | 4.8 km |
| Rochester MA 2 | 1 MW | 5 km |
| MA Acushnet 540R Main St | — | 5.1 km |