South Harper — Plant Summary
- EIA Plant ID
- 56151
- Capacity
- 351 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combustion Turbine
- Status
- Operating
- Location
- Cass, MO
- Operating Since
- 2005
- Generators
- 3
- Operator
- Evergy Missouri West
- Parent Company
- Evergy
- Annual Generation
- 284,454.99 MWh
- Capacity Factor
- 9.2%
- Balancing Authority
- Southwest Power Pool
- ISO/RTO
- SPP
- NERC Region
- MRO
South Harper
OperatingNatural Gas
Ranked #9 of 36 Natural Gas plants in MO#592 of 2009 nationally
351 MW Natural Gas operating in Cass, MO — Southwest Power Pool
EIAWD
351 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combustion Turbine
Technology
2005
Operating Since
Location
Coordinates
38.6803, -94.4824
County
Cass, MO
Nearby Plants
- Dogwood Energy FacilityNatural Gas655.2 MW · 20.1 km
- Ralph GreenNatural Gas88.9 MW · 21.4 km
- Greenwood (MO)Natural Gas287.8 MW · 25.7 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Evergy Missouri West | Evergy Missouri West | — |
| Owner(s) | Evergy Missouri West | Evergy | — |
| Status | Operating | — | — |
Ownership Chain
About
South Harper is a 351 MW natural gas-fired power plant located in Cass County, Missouri. The plant, which began operating in 2005, is owned by Evergy and operated by Evergy Missouri West. It consists of three natural gas-fired combustion turbine generators. South Harper is within the Southwest Power Pool (SPP) balancing authority and the Midwest Reliability Organization (MRO) NERC region. The plant ranks as the 11th largest in Missouri out of 20 plants, and 595th nationally out of 945 plants.
In the most recent year of record, South Harper generated 284,455 MWh of electricity, resulting in a capacity factor of 9.2%. Financial data indicates an installed cost of $315.39 per kW, according to FERC filings.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
MRO
Balancing Authority
Southwest Power Pool
Grid Voltage
161 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
18.4K MWh
Latest Month
284.5K MWh
Annual Generation
9.2%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: FERC Form 1HIGH
$360/kW
Installed Cost
$54.0/MWh
Operating Cost
KCP&L Greater Missouri Operations Company
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
South Harper Substation · 161 kV
Substation Distance
< 10 km
Operator
Evergy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
SPP
LMP Node
MPSSHARPER-UN1
Pricing Hub
SPP South Hub
Secondary Zone
SPP North Hub
Node Source
EIA-860 direct report
News & Articles (2)Beta
Regulatory·other
Donna M. Harper Obituary | Jones Funeral Home | Saint James, MO
July 10, 1944 - March 2, 2025, Donna M. Harper passed away on March 2, 2025 in Saint James, Missouri. Funeral Home Services for Donna are...
Donna M. Harper (other)
Tribute Archive·1 years ago
Regulatory·other
Frank Herndon Obituary - Grandview, MO
Francis William Herndon Jr. “Bud” aged 81 was born February 17, 1943, in Evansville, Indiana. He passed away on August 27, 2024.
Francis William Herndon Jr. (other)
Dignity Memorial·1 years ago
Last updated 2026-03-14
View all articles