West A&B Solar Project Hybrid CSG
Worcester County, Massachusetts · EIA plant ID 63473 · Operator: AES Distributed Energy
Nameplate4MWSummer 4 MW
Generators2in service
Net generation5GWh12 mo to Dec 2025
Capacity factor22%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) |
|---|---|---|---|
| 2020 | 0 | 0.0% | — |
| 2021 | 2.2 | 10.2% | — |
| 2022 | 5 | 23.0% | — |
| 2023 | 4.5 | 20.9% | — |
| 2024 | 4.7 | 21.8% | — |
| 2025 | 4.7 | 21.8% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| BATT | Batteries | BA | 1.8 | 1.8 | Dec 2020 | Operating | — | coming soon |
| WEST | Solar Photovoltaic | PV | 2.5 | 2.5 | Dec 2020 | Operating | — | coming soon |
Owner / operator
Operator: AES Distributed Energy. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| AES Distributed Energy | 100.0% | 4 MW |
Nearby plants
Within 80 km.
| Annese Solar Project Hybrid CSG | 8 MW | 0.1 km |
| Dudley River Solar, LLC CSG | 1 MW | 0.5 km |
| Dudley River 3 Solar, LLC CSG | 1 MW | 0.6 km |
| Dudley River 2 Solar, LLC CSG | 1 MW | 0.6 km |
| Alicea Solar Project Hybrid CSG | 4 MW | 0.7 km |
| ZPD-PT Solar Project 2017-023 LLC Hybrid CSG | 5 MW | 0.7 km |