Holcomb
Finney County, Kansas · EIA plant ID 108 · Operator: Sunflower Electric Power Corp
Nameplate349MWSummer 359 MW
Generators1in service
Net generation1,435GWh12 mo to Aug 2026
Capacity factor46%gas/coal/oil units, summer MW
Heat rate10,974Btu/kWhfossil units, electric fuel, HHV
First online1983Runs 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) |
|---|---|---|---|
| 2001 | 2,548.1 | 87.9% | 10,236 |
| 2002 | 2,454.7 | 77.8% | 10,204 |
| 2003 | 2,570.1 | 81.5% | 10,168 |
| 2004 | 2,596.6 | 82.1% | 10,329 |
| 2005 | 2,684.9 | 85.1% | 10,376 |
| 2006 | 2,385 | 75.6% | 10,303 |
| 2007 | 2,858.4 | 90.6% | 10,317 |
| 2008 | 2,782.7 | 87.5% | 10,358 |
| 2009 | 2,655.8 | 83.8% | 10,493 |
| 2010 | 2,632.9 | 83.0% | 10,374 |
| 2011 | 2,735.8 | 86.3% | 10,421 |
| 2012 | 1,967.7 | 62.4% | 10,435 |
| 2013 | 2,166.1 | 68.9% | 10,524 |
| 2014 | 1,981.9 | 63.0% | 10,787 |
| 2015 | 1,443.5 | 45.9% | 10,761 |
| 2016 | 1,594.5 | 50.6% | 11,048 |
| 2017 | 1,006.1 | 32.0% | 11,146 |
| 2018 | 1,472.2 | 46.8% | 10,956 |
| 2019 | 1,569.5 | 49.9% | 10,858 |
| 2020 | 1,448.2 | 45.9% | 10,807 |
| 2021 | 1,599.6 | 50.8% | 10,797 |
| 2022 | 1,663.2 | 52.9% | 10,740 |
| 2023 | 1,584.6 | 50.4% | 11,093 |
| 2024 | 1,159 | 36.8% | 11,232 |
| 2025 | 1,837.5 | 58.4% | 10,807 |
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 | Conventional Steam Coal | ST | 348.7 | 358.9 | Aug 1983 | 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% | 349 MW |
Nearby plants
Within 80 km.
| Garden City | 256 MW | 8 km |
| Bonanza BioEnergy LLC | 2 MW | 12.4 km |
| Jameson Energy Center | 28 MW | 12.7 km |
| Buffalo Dunes Wind Project | 250 MW | 35.6 km |
| Rubart | 120 MW | 42.9 km |
| Cimarron Windpower II | 131 MW | 52.8 km |