Flat Ridge 3
Kingman County, Kansas · EIA plant ID 64407 · Operator: Invenergy Services LLC
Nameplate128MWSummer 128 MW
Generators1in service
Net generation506GWh12 mo to Aug 2026
Capacity factor45%wind units, summer MW
Heat rate—thermal plants only
First online2021
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), wind 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.
Heat rate applies to fuel-burning (thermal) units only.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2021 | 36.8 | 38.6% | — |
| 2022 | 525.4 | 46.9% | — |
| 2023 | 495.2 | 44.2% | — |
| 2024 | 508.8 | 45.3% | — |
| 2025 | 459.1 | 40.9% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| FRW3 | Onshore Wind Turbine | WT | 128 | 128 | Dec 2021 | Operating | — | vestas V110-2.0 |
Owner / operator
Operator: Invenergy Services LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Invenergy Services LLC | 100.0% | 128 MW |
Nearby plants
Within 80 km.
| Flat Ridge Wind Energy LLC | 44 MW | 9.4 km |
| Flat Ridge Wind Farm | 50 MW | 10.1 km |
| Flat Ridge 2 Wind Energy LLC | 470 MW | 15.2 km |
| Pixley Solar Energy | 189 MW | 22 km |
| Kingman Wind | 215 MW | 22.2 km |
| Ninnescah Wind Energy, LLC | 208 MW | 22.2 km |