Ameresco San Joaquin
San Joaquin County, California · EIA plant ID 58436 · Operator: Ameresco San Joaquin, LLC
Nameplate4MWSummer 4 MW
Generators2in service
Net generation25GWh12 mo to Dec 2025
Capacity factor68%other units, summer MW
Heat rate—thermal plants only
First online2014
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), other 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) |
|---|---|---|---|
| 2014 | 20.6 | 74.4% | — |
| 2015 | 26 | 70.7% | — |
| 2016 | 26.8 | 72.6% | — |
| 2017 | 31.9 | 86.8% | — |
| 2018 | 33.1 | 89.9% | — |
| 2019 | 30.7 | 83.3% | — |
| 2020 | 29.5 | 80.0% | — |
| 2021 | 27.7 | 75.2% | — |
| 2022 | 24.1 | 65.5% | — |
| 2023 | 30.9 | 84.0% | — |
| 2024 | 30.7 | 83.2% | — |
| 2025 | 24.8 | 67.5% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| ENG1 | Landfill Gas | IC | 2.2 | 2.1 | Apr 2014 | Operating | — | coming soon |
| ENG2 | Landfill Gas | IC | 2.2 | 2.1 | Apr 2014 | Operating | — | coming soon |
Owner / operator
Operator: Ameresco San Joaquin, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Ameresco San Joaquin, LLC | 100.0% | 4 MW |
Nearby plants
Within 80 km.
| Foothill Sanitary Landfill - Solar Array | 4 MW | 1.4 km |
| North Central Valley | 132 MW | 7.9 km |
| New Hogan Power Plant | 3 MW | 16.7 km |
| Woodward Power Plant | 3 MW | 19.3 km |
| Robert O Schulz Solar Farm | 2 MW | 19.4 km |
| Da Silva Dairy | 1 MW | 20.4 km |