Sonoma County Fuel CellRetired
Sonoma County, California · EIA plant ID 57793 · Operator: The County of Sonoma
×1 MW natural gas retired since 2020 (latest Dec 2020)
Nameplate—MWSummer — MW
Generators0in service
Net generation—GWh12 mo
Capacity factor—no 923 generation in the last 12 months
Heat rate—Btu/kWhfossil units, electric fuel, HHV
First online—
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), primary-fuel 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) |
|---|---|---|---|
| 2011 | 10.6 | 86.2% | 8,126 |
| 2012 | 11.4 | 92.6% | 8,687 |
| 2013 | 9.9 | 80.5% | 8,880 |
| 2014 | 7.9 | 64.6% | 9,444 |
| 2015 | 7.4 | 60.7% | 10,334 |
| 2016 | 4.7 | 37.9% | 6,204 |
| 2017 | 8.9 | 72.3% | 6,453 |
| 2018 | 10.6 | 86.5% | 6,433 |
| 2019 | 2.9 | 23.9% | 6,385 |
| 2020 | 5.8 | 51.8% | 6,377 |
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 |
|---|---|---|---|---|---|---|---|---|
| FC-1 | Other Natural Gas | FC | 1.4 | 1.4 | Dec 2010 | Retired Dec 2020 | — | coming soon |
Owner / operator
Operator: The County of Sonoma. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Nearby plants
Within 80 km.
| Santa Rosa Junior College Petaluma Solar | 1 MW | 0.3 km |
| Keysight - Santa Rosa | 5 MW | 2 km |
| Sutter Santa Rosa Solar | 1 MW | 4 km |
| Windsor Floating Solar | 2 MW | 11.3 km |
| Laguna Water Reclamation Facility | 4 MW | 11.5 km |
| Dissigno Healdsburg FPV, LLC | 3 MW | 18 km |