690.5 MW Natural Gas Fired Combined Cycle (568 MW) + Natural Gas Fired Combustion Turbine (123 MW) operating in Jasper, MO — Southwest Power Pool
690.5 MW
Nameplate Capacity
4
Generators
units
Hybrid (2)
Technology
Natural Gas Fired Combined Cycle + Natural Gas Fired Combustion Turbine
1995
Operating Since
Coordinates
37.0657, -94.6144
County
Jasper, MO
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Empire District Electric Co | Empire District Electric | — |
| Owner(s) | Empire District Electric Co, Evergy Kansas Central, Inc | Algonquin Power & Utilities | — |
| Status | Operating | — | — |
State Line Combined Cycle is a 690.5 MW natural gas-fired power plant located in Jasper County, Missouri. The plant, which began operating in 1995, is owned by Algonquin Power & Utilities, a Canadian company, and operated by Empire District Electric Co. It utilizes both natural gas fired combined cycle and natural gas fired combustion turbine technologies across its four generators, classifying it as a hybrid plant. The plant is the third largest in Missouri out of 20 plants, and ranks 323rd nationally out of 945 plants.
The plant operates within the Southwest Power Pool (SPP) balancing authority and the Midwest Reliability Organization (MRO) NERC region. In the latest year of reported generation data, State Line Combined Cycle produced 2,453,082 MWh of electricity, achieving a capacity factor of 40.5%. Financial data indicates an installed cost of $490.98 per kW, according to FERC filings.
Generated from EIA, GEM, and public data sources
NERC Region
MRO
Balancing Authority
Southwest Power Pool
Grid Voltage
161 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
101.3K MWh
Latest Month
2.5M MWh
Annual Generation
40.5%
Capacity Factor
$507/kW
Installed Cost
$26.6/MWh
Operating Cost
Westar Generating, Inc.
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
ISO/RTO Market
SPP
LMP Node
EDESTL4391UNCT1
Pricing Hub
SPP South Hub
Secondary Zone
SPP North Hub
Node Source
EIA-860 direct report
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Last updated 2026-03-26
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