Great Bend - Sunflower
Barton County, Kansas · EIA plant ID 1235 · Operator: Sunflower Electric Power Corp
Nameplate82MWSummer 100 MW
Generators1in service
Net generation20GWh12 mo to Dec 2025
Capacity factor2%gas/coal/oil units, summer MW
Heat rate14,457Btu/kWhfossil units, electric fuel, HHV
First online1963Runs as peaking
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) |
|---|---|---|---|
| 2001 | 63.1 | 7.8% | 11,270 |
| 2002 | 98.8 | 11.8% | 11,201 |
| 2003 | 93.9 | 11.2% | 10,569 |
| 2004 | 76.2 | 9.0% | 11,243 |
| 2005 | 120.3 | 14.3% | 10,389 |
| 2006 | 107.3 | 12.4% | 10,638 |
| 2007 | 161.5 | 19.2% | 10,238 |
| 2008 | 135.5 | 15.6% | 10,313 |
| 2009 | 142.6 | 16.5% | 11,313 |
| 2010 | 99.1 | 11.5% | 11,182 |
| 2011 | 73.8 | 8.4% | 11,156 |
| 2012 | 140.7 | 15.9% | 11,244 |
| 2013 | 104.7 | 11.9% | 11,246 |
| 2014 | 4.7 | 0.6% | 17,294 |
| 2015 | -0.8 | -0.1% | — |
| 2016 | -0.2 | -0.0% | — |
| 2017 | 0.4 | 0.0% | — |
| 2018 | -0.7 | -0.1% | — |
| 2019 | 0.3 | 0.0% | — |
| 2020 | -0.4 | -0.1% | — |
| 2021 | -1 | -0.1% | — |
| 2022 | 17.3 | 2.0% | 11,847 |
| 2023 | 32 | 3.7% | 13,084 |
| 2024 | 51.9 | 5.9% | 12,615 |
| 2025 | 19.8 | 2.3% | 14,457 |
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 |
|---|---|---|---|---|---|---|---|---|
| 3 | Natural Gas Steam Turbine | ST | 81.6 | 99.8 | Jun 1963 | Operating | — | coming soon |
Owner / operator
Operator: Sunflower Electric Power Corp. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Sunflower Electric Power Corp | 100.0% | 82 MW |
Nearby plants
Within 80 km.
| Hoisington | 11 MW | 14.1 km |
| Ellinwood | 9 MW | 25.6 km |
| Larned | 16 MW | 32.9 km |
| La Crosse | 8 MW | 40.6 km |
| St John | 7 MW | 47.1 km |
| Russell Downtown | 16 MW | 53.8 km |