McAllister Landfill
Newport County, Rhode Island · EIA plant ID 67142 · Operator: Solar Breakers LLC
Nameplate1MWSummer 1 MW
Generators1in service
Net generation2GWh12 mo to Dec 2025
Capacity factor17%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) |
|---|---|---|---|
| 2023 | 0.7 | 7.9% | — |
| 2024 | 1.4 | 15.7% | — |
| 2025 | 1.5 | 17.2% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| MCLF | Solar Photovoltaic | PV | 1 | 1 | Oct 2022 | Operating | — | coming soon |
Owner / operator
Operator: Solar Breakers LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Solar Breakers LLC | 100.0% | 1 MW |
Nearby plants
Within 80 km.
| Tank Farm 4 | 10 MW | 0 km |
| Founders Homestead Farms Solar | 5 MW | 1.1 km |
| Roger Williams - Melville at Portsmouth | 3 MW | 1.6 km |
| WED Portsmouth One, LLC | 2 MW | 5.6 km |
| Kearsarge West Shore Solar LLC | 5 MW | 5.6 km |
| Kearsarge Fogland | 2 MW | 8.6 km |