South Harper
Cass County, Missouri · EIA plant ID 56151 · Operator: KCP&L Greater Missouri Operations
Nameplate351MWSummer 321 MW
Generators3in service
Net generation218GWh12 mo to Dec 2025
Capacity factor8%gas/coal/oil units, summer MW
Heat rate11,610Btu/kWhfossil units, electric fuel, HHV
First online2005Runs 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) |
|---|---|---|---|
| 2005 | 0 | 0.0% | — |
| 2006 | 117.1 | 4.3% | 12,163 |
| 2007 | 178.7 | 6.5% | 12,046 |
| 2008 | 106.6 | 3.9% | 11,951 |
| 2009 | 49.2 | 1.8% | 11,662 |
| 2010 | 57.9 | 2.2% | 10,913 |
| 2011 | 73.3 | 2.6% | 12,297 |
| 2012 | 141.6 | 5.1% | 11,808 |
| 2013 | 49.3 | 1.8% | 13,156 |
| 2014 | 3.1 | 0.1% | 25,664 |
| 2015 | -0.8 | -0.0% | — |
| 2016 | 4.7 | 0.2% | 19,936 |
| 2017 | 0 | 0.0% | — |
| 2018 | 38.8 | 1.5% | 12,688 |
| 2019 | 81.9 | 3.0% | 12,426 |
| 2020 | 55.3 | 2.0% | 12,670 |
| 2021 | 67.4 | 2.5% | 12,429 |
| 2022 | 216.6 | 7.9% | 12,063 |
| 2023 | 180.5 | 6.4% | 11,849 |
| 2024 | 284.5 | 10.1% | 11,355 |
| 2025 | 218.4 | 7.8% | 11,610 |
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 |
|---|---|---|---|---|---|---|---|---|
| GT1 | Natural Gas Fired Combustion Turbine | GT | 117 | 105.8 | Aug 2005 | Operating | — | coming soon |
| GT2 | Natural Gas Fired Combustion Turbine | GT | 117 | 107.6 | Aug 2005 | Operating | — | coming soon |
| GT3 | Natural Gas Fired Combustion Turbine | GT | 117 | 107.8 | Aug 2005 | Operating | — | coming soon |
Owner / operator
Operator: KCP&L Greater Missouri Operations. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| KCP&L Greater Missouri Operations | 100.0% | 351 MW |
Nearby plants
Within 80 km.
| Dogwood Energy Facility | 655 MW | 20.1 km |
| Ralph Green | 89 MW | 21.4 km |
| Greenwood (MO) | 288 MW | 25.7 km |
| Gardner Energy Center | 39 MW | 39.1 km |
| La Cygne | 1,599 MW | 39.6 km |
| Osawatomie | 102 MW | 40.1 km |