Roll Lost HillsRetired
Kern County, California · EIA plant ID 58298 · Operator: Bloom Energy
×1 MW natural gas retired since 2020 (latest Dec 2023)
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) |
|---|---|---|---|
| 2012 | 0.2 | 32.4% | 6,817 |
| 2013 | 6.4 | 73.5% | 5,707 |
| 2014 | 3 | 33.8% | 8,278 |
| 2015 | 1.7 | 19.8% | 7,843 |
| 2016 | 7.5 | 85.0% | 6,757 |
| 2017 | 6.9 | 78.8% | 7,550 |
| 2018 | 6.5 | 74.2% | 7,774 |
| 2019 | 5 | 56.6% | 9,177 |
| 2020 | 3 | 33.9% | 8,375 |
| 2021 | 4.9 | 56.2% | 6,938 |
| 2022 | 6.5 | 74.2% | 7,086 |
| 2023 | 5.5 | 62.8% | 7,008 |
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 |
|---|---|---|---|---|---|---|---|---|
| ROL3 | Other Natural Gas | FC | 1.1 | 1 | Dec 2012 | Retired Dec 2023 | — | coming soon |
Owner / operator
Operator: Bloom Energy. 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.
| Wonderful Lost Hills | 17 MW | 2.2 km |
| Lost Hills Oilfield | 2 MW | 3.6 km |
| Berrenda Mesa Water District | 6 MW | 4.9 km |
| Lost Hills/Blackwell | 32 MW | 5.1 km |
| Blackwell?s Corner Storage Facility | 2 MW | 5.9 km |
| Pistachio Road 1726-WD | — | 6.1 km |