ATT Kelvin
Orange County, California · EIA plant ID 62573 · Operator: Bloom Energy
Nameplate1MWSummer 1 MW
Generators1in service
Net generation8GWh12 mo to Dec 2025
Capacity factor88%gas/coal/oil units, summer MW
Heat rate7,142Btu/kWhfossil units, electric fuel, HHV
First online2017Runs as baseload
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), gas/coal/oil 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) |
|---|---|---|---|
| 2018 | 0 | 0.0% | — |
| 2019 | 7 | 80.4% | 8,454 |
| 2020 | 7.7 | 87.6% | 7,035 |
| 2021 | 7.2 | 81.7% | 7,264 |
| 2022 | 5.7 | 64.8% | 7,201 |
| 2023 | 7 | 79.7% | 6,913 |
| 2024 | 8 | 91.0% | 7,018 |
| 2025 | 7.7 | 87.8% | 7,142 |
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 |
|---|---|---|---|---|---|---|---|---|
| ATT56 | Other Natural Gas | FC | 1 | 1 | Apr 2017 | Operating | — | 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).
| KeyBank | 100.0% | 1 MW |
Nearby plants
Within 80 km.
| B Braun Medical | retired | 0.5 km |
| Millikan BESS | retired | 0.8 km |
| Allergan | 2 MW | 2.1 km |
| HEBT Irvine 1 | 6 MW | 3.5 km |
| Hecate Energy Johanna Facility | 20 MW | 3.7 km |
| Johanna Energy Center, LLC | 80 MW | 3.7 km |