Kearsarge Amesbury Hybrid
Essex County, Massachusetts · EIA plant ID 63398 · Operator: Kearsarge Amesbury LLC
Nameplate5MWSummer 5 MW
Generators2in service
Net generation5GWh12 mo to Dec 2025
Capacity factor18%solar units, summer MW
Heat rate—thermal plants only
First online2019
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) |
|---|---|---|---|
| 2019 | 0 | 0.0% | — |
| 2020 | 5.3 | 18.7% | — |
| 2021 | 5.5 | 18.9% | — |
| 2022 | 5.7 | 20.2% | — |
| 2023 | 5.1 | 18.3% | — |
| 2024 | 5.4 | 19.2% | — |
| 2025 | 5 | 17.9% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| AMBAT | Batteries | BA | 1.6 | 1.6 | Dec 2019 | Operating | — | coming soon |
| AMES | Solar Photovoltaic | PV | 3.3 | 3.3 | Dec 2019 | Operating | — | coming soon |
Owner / operator
Operator: Kearsarge Amesbury LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Kearsarge Amesbury LLC | 100.0% | 5 MW |
Nearby plants
Within 80 km.
| Hunt Road Solar | 5 MW | 1.9 km |
| True North | 5 MW | 3.5 km |
| Merrimac Solar | 2 MW | 4.4 km |
| Bashaw Solar CSG 1, LLC | 2 MW | 7.2 km |
| Seabrook | 1,242 MW | 10 km |
| Groveland Solar | 3 MW | 12.5 km |