Eight Flags Energy
Nassau County, Florida · EIA plant ID 60025 · Operator: Eight Flags Energy LLC
Nameplate22MWSummer 21 MW
Generators1in service
Net generation147GWh12 mo to Dec 2025
Capacity factor79%gas/coal/oil units, summer MW
Heat rate11,186Btu/kWhfossil units, electric fuel, HHV
First online2016Runs 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) |
|---|---|---|---|
| 2016 | 77.3 | 88.5% | 10,172 |
| 2017 | 171.3 | 98.8% | 9,905 |
| 2018 | 173 | 99.7% | 10,062 |
| 2019 | 180.6 | 96.8% | 9,884 |
| 2020 | 168.6 | 89.7% | 10,297 |
| 2021 | 160.1 | 85.4% | 10,492 |
| 2022 | 147.1 | 78.5% | 11,104 |
| 2023 | 172.3 | 91.9% | 10,247 |
| 2024 | 162.4 | 86.4% | 10,376 |
| 2025 | 147.2 | 78.5% | 11,186 |
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 Fired Combustion Turbine | GT | 21.6 | 21.4 | Jul 2016 | Operating | — | coming soon |
Owner / operator
Operator: Eight Flags Energy LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Eight Flags Energy LLC | 100.0% | 22 MW |
Nearby plants
Within 80 km.
| Fernandina Plant | 42 MW | 0.2 km |
| Fernandina Beach Mill | 97 MW | 2.8 km |
| Naval Submarine Base Kings Bay | 30 MW | 15.7 km |
| Kings Bay Solar Facility | 30 MW | 17.9 km |
| Starratt Solar | 5 MW | 22.3 km |
| AEP Jacksonville Solar Project | 7 MW | 25.7 km |