SOUTH HARPER
OperatingNatural Gas power plant
- Capacity
- 351 MW
- Primary fuel
- Natural Gas
- County
- Cass County
- Operator
- KCP&L GREATER MISSOURI OPERATIONS CO
- Status
- Operating
- Commissioned
- 2005
- EIA plant ID
- 56151
- Generators
- 3
- Technology
- Natural Gas Fired Combustion Turbine
- Net generation (2024)
- 284 GWh
- Capacity factor (2024, EIA nameplate)
- 9.2%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 38.6804, -94.4824
SOUTH HARPER, a 351 MW Natural Gas power plant in Cass County, Missouri. Operated by KCP&L GREATER MISSOURI OPERATIONS CO, commissioned 2005.
How SOUTH HARPER compares
With 351 MW of capacity, SOUTH HARPER ranks 16th among the 92 operating power plants Bywatts maps in Missouri and 6th of the 23 operating Natural Gas plants in the state. It accounts for about 6.9% of Missouri's operating Natural Gas capacity and 1.8% of all operating capacity in the state. Nationally it is the 412th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 2005, it is newer than 85% of the 89 operating Missouri plants with a recorded commissioning year. Its operator, KCP&L GREATER MISSOURI OPERATIONS CO, runs 6 operating plants in Missouri totaling 966 MW. It shares Cass County with 2 other operating plants, DOGWOOD ENERGY FACILITY and RALPH GREEN.
EIA-860 lists 3 generators at the site with 351 MW of nameplate capacity, all natural gas fired combustion turbine technology. Net generation was 284 GWh in 2024 (a 9.2% capacity factor), up 31% from 2022.
Grid neighborhood
The nearest named substation is DOGWOOD (345 kV), about 12.7 miles away; the closest transmission line found within 10 miles is a 161 kV line owned by KCP&L GREATER MISSOURI OPERATIONS CO., under 0.1 miles away. Another 6 operating power plants totaling 2,708 MW sit within 25 miles; the largest is LA CYGNE (1,578 MW, Coal). Within 50 miles are 3 mapped data centers; the nearest is Level(3) Kansas City in Kansas City, about 29.5 miles away.
Computed by Bywatts from HIFLD power plant, substation and transmission line records, EIA-860/923 survey data and PeeringDB data center locations; distances are straight-line. Sources and methodology
Weather peril exposure
SOUTH HARPER is a 351 MW natural gas power plant in Cass County, MO, operated by KCP&L GREATER MISSOURI OPERATIONS CO, commissioned in 2005. Cass County carries critical modeled catastrophe exposure in the FEMA National Risk Index, scoring 4.4 of 5 at the 86th national percentile. Hail is the leading peril, rated Relatively Moderate by FEMA at the 88th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a natural gas plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Cass County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hail | Relatively Moderate | 88th | 4.5 of 5 | 8.2 |
| Winter weather | Relatively Moderate | 84th | 4.3 of 5 | 11.2 |
| Tornado | Relatively Moderate | 79th | 4.2 of 5 | 0.42 |
| Heat wave | Relatively Moderate | 74th | 4.0 of 5 | 14.9 |
| Ice storm | Relatively Moderate | 67th | 3.7 of 5 | 0.87 |
| Lightning | Relatively Moderate | 50th | 3.0 of 5 | 51.3 |
| Riverine flooding | Relatively Low | 45th | 2.8 of 5 | 1.8 |
| Earthquake | Very Low | 39th | 2.5 of 5 | <0.01 |
| Wildfire | Very Low | 18th | 1.7 of 5 | <0.01 |
| Strong wind | Relatively High | 13th | 1.5 of 5 | 6.1 |
| Hurricane | Very Low | 5th | 1.2 of 5 | <0.01 |
Perils not assessed in Cass County
These perils carry no usable National Risk Index figure for this county, so they are excluded from the scoring rather than scored zero. A zero would claim the peril was assessed and found benign.
| Peril | Why it is not scored |
|---|---|
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Cass County in the weather risk calculator
Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.
Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.