Syncarpha Tewksbury Hybrid CSG
Middlesex County, Massachusetts · EIA plant ID 62968 · Operator: Syncarpha Tewksbury, LLC
Nameplate5MWSummer 5 MW
Generators2in service
Net generation4GWh12 mo to Dec 2025
Capacity factor16%solar units, summer MW
Heat rate—thermal plants only
First online2022
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) |
|---|---|---|---|
| 2022 | 3.4 | 15.4% | — |
| 2023 | 4.1 | 16.9% | — |
| 2024 | 4.2 | 17.6% | — |
| 2025 | 3.9 | 16.4% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| SYTKB | Batteries | BA | 2 | 2 | Feb 2022 | Operating | — | coming soon |
| SYTKS | Solar Photovoltaic | PV | 2.8 | 2.8 | Feb 2022 | Operating | — | coming soon |
Owner / operator
Operator: Syncarpha Tewksbury, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Syncarpha Tewksbury, LLC | 100.0% | 5 MW |
Nearby plants
Within 80 km.
| Leominster (MA)-South Street-R&D | 3 MW | 1.4 km |
| Hewlett-Packard (HP) - Andover, MA | 2 MW | 3.5 km |
| Kearsarge Wilmington | 2 MW | 4.9 km |
| Wilmington Solar | 2 MW | 5.3 km |
| Kearsarge Riverpark II LLC | 5 MW | 5.6 km |
| Kearsarge Riverpark I LLC | 5 MW | 5.6 km |