Wadham Energy LP
Colusa County, California · EIA plant ID 50293 · Operator: Wadham Energy Ltd Partners
Nameplate29MWSummer 27 MW
Generators1in service
Net generation145GWh12 mo to Dec 2025
Capacity factor62%other units, summer MW
Heat rate13,997Btu/kWhfossil units, electric fuel, HHV
First online1989
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.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 129.5 | 57.0% | 16,868 |
| 2002 | 175.5 | 78.3% | 12,445 |
| 2003 | 175.6 | 78.4% | 12,627 |
| 2004 | 107.7 | 47.7% | 14,447 |
| 2005 | 106.8 | 47.5% | 14,876 |
| 2006 | 113.3 | 50.4% | 13,997 |
| 2007 | 129.3 | 57.9% | 13,158 |
| 2008 | 131.1 | 58.3% | 14,305 |
| 2009 | 173.7 | 77.6% | 14,421 |
| 2010 | 175.7 | 78.4% | 14,261 |
| 2011 | 204.1 | 91.2% | 13,491 |
| 2012 | 183.9 | 81.9% | 13,340 |
| 2013 | 196.5 | 87.8% | 13,326 |
| 2014 | 170.4 | 76.1% | 13,628 |
| 2015 | 154 | 68.8% | 13,829 |
| 2016 | 196.4 | 87.6% | 14,090 |
| 2017 | 187.1 | 80.5% | 13,832 |
| 2018 | 166.2 | 71.4% | 14,703 |
| 2019 | 188.3 | 80.8% | 13,382 |
| 2020 | 146.5 | 62.8% | 12,959 |
| 2021 | 192.4 | 82.7% | 13,670 |
| 2022 | 144.5 | 62.1% | 13,893 |
| 2023 | 74.4 | 31.9% | 15,822 |
| 2024 | 132 | 56.5% | 14,092 |
| 2025 | 144.5 | 62.1% | 13,997 |
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 |
|---|---|---|---|---|---|---|---|---|
| GEN1 | Other Waste Biomass | ST | 29.1 | 26.5 | Mar 1989 | Operating | — | coming soon |
Owner / operator
Operator: Wadham Energy Ltd Partners. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Wadham Energy Ltd Partners | 100.0% | 29 MW |
Nearby plants
Within 80 km.
| Abel Road Bioenergy | 4 MW | 4.5 km |
| CFF Rice Mill Solar Plant | 4 MW | 8.1 km |
| Colusa Generating Station | 712 MW | 32 km |
| Greenleaf 1 Power Plant | 70 MW | 36.2 km |
| Sutter Energy Center | 636 MW | 36.2 km |
| Indian Valley Dam Hydro Project | 3 MW | 36.9 km |