Sunflower Energy Center, LLC
Marion County, Kansas · EIA plant ID 65738 · Operator: Sunflower Energy Center, LLC
Nameplate201MWSummer 201 MW
Generators1in service
Net generation809GWh12 mo to Aug 2026
Capacity factor46%wind units, summer MW
Heat rate—thermal plants only
First online2023
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) |
|---|---|---|---|
| 2023 | 348.7 | 78.7% | — |
| 2024 | 805.9 | 45.7% | — |
| 2025 | 760.2 | 43.3% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| 1111 | Onshore Wind Turbine | WT | 200.6 | 200.6 | Oct 2023 | Operating | — | ge 2.82-127 |
Owner / operator
Operator: Sunflower Energy Center, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Sunflower Energy Center, LLC | 100.0% | 201 MW |
Nearby plants
Within 80 km.
| Harvey County | 1 MW | 25.3 km |
| DeGraff Butler Electric | 1 MW | 31.9 km |
| Diamond Vista Wind Project, LLC | 299 MW | 41 km |
| Herington | 2 MW | 49 km |
| El Dorado Refinery | 39 MW | 51 km |
| McPherson 3 | 116 MW | 52.2 km |