Hoag Hospital Cogen Plant
Orange County, California · EIA plant ID 58223 · Operator: Hoag Memorial Presbyterian Hospital
Nameplate6MWSummer 5 MW
Generators4in service
Net generation27GWh12 mo to Aug 2026
Capacity factor87%gas/coal/oil units, summer MW
Heat rate5,356Btu/kWhfossil units, electric fuel, HHV
First online2006Runs as intermediate
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
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) |
|---|---|---|---|
| 2012 | 27.7 | 87.7% | 11,605 |
| 2013 | 0 | 0.0% | — |
| 2014 | 27.5 | 87.3% | 11,373 |
| 2015 | 24.9 | 79.1% | 11,373 |
| 2016 | 0 | 0.0% | — |
| 2017 | 2.5 | 8.1% | — |
| 2018 | 5.5 | 17.3% | 25,334 |
| 2019 | 8.5 | 27.0% | 17,130 |
| 2020 | 4.3 | 13.5% | — |
| 2021 | 1.6 | 5.1% | — |
| 2022 | 2.7 | 8.6% | — |
| 2023 | 5.3 | 16.7% | 22,362 |
| 2024 | 1.4 | 4.3% | — |
| 2025 | 27.4 | 87.0% | 5,356 |
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 |
|---|---|---|---|---|---|---|---|---|
| 1 | Natural Gas Internal Combustion Engine | IC | 1.5 | 1.2 | Jul 2006 | Operating | — | coming soon |
| 2 | Natural Gas Internal Combustion Engine | IC | 1.5 | 1.2 | Jul 2006 | Operating | — | coming soon |
| 3 | Natural Gas Internal Combustion Engine | IC | 1.5 | 1.2 | Jul 2006 | Operating | — | coming soon |
| TESLA | Batteries | BA | 1 | 1 | Jan 2020 | Operating | — | coming soon |
Owner / operator
Operator: Hoag Memorial Presbyterian Hospital. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Hoag Memorial Presbyterian Hospital | 100.0% | 6 MW |
Nearby plants
Within 80 km.
| Plant No 2 Orange County | 16 MW | 2.9 km |
| AES Huntington Beach LLC | 218 MW | 4.6 km |
| AES Huntington Beach Energy Project | 699 MW | 4.7 km |
| Orange Coast College PH2 Solar Project | 5 MW | 6 km |
| OCSD | 5 MW | 7.8 km |
| Plant No 1 Orange County | 8 MW | 7.9 km |