Guernsey Power Station
Guernsey County, Ohio · EIA plant ID 62949 · Operator: Guernsey Power Station LLC
Nameplate2,055MWSummer 1,789 MW
Generators3in service
Net generation12,281GWh12 mo to Aug 2026
Capacity factor78%gas/coal/oil units, summer MW
Heat rate6,704Btu/kWhfossil units, electric fuel, HHV
First online2023Runs as baseload
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) |
|---|---|---|---|
| 2023 | 8,155 | 60.7% | 6,488 |
| 2024 | 11,615.2 | 74.2% | 6,556 |
| 2025 | 11,309.1 | 72.2% | 6,641 |
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 |
|---|---|---|---|---|---|---|---|---|
| GPS1 | Natural Gas Fired Combined Cycle | CS | 685 | 597.6 | Feb 2023 | Operating | — | coming soon |
| GPS2 | Natural Gas Fired Combined Cycle | CS | 685 | 596 | Feb 2023 | Operating | — | coming soon |
| GPS3 | Natural Gas Fired Combined Cycle | CS | 685 | 594.9 | Apr 2023 | Operating | — | coming soon |
Owner / operator
Operator: Guernsey Power Station LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Guernsey Power Station LLC | 100.0% | 2,055 MW |
Nearby plants
Within 80 km.
| Conesville | retired | 40.3 km |
| Washington Energy Facility | 715 MW | 41 km |
| Anadarko | 8 MW | 41 km |
| Dresden Energy Facility | 678 MW | 45.4 km |
| Waterford Power, LLC | 922 MW | 47.5 km |
| Suburban Landfill Gas Recovery | 6 MW | 60.6 km |