Cimarron River

Power plant · Gas, steam turbine

Key facts

Power plant · Gas, steam turbine Operating

Commissioned: 1963
Net generation, 2025: 30,326 MWh
Grid: 115 kV, 14 kV to Sunflower Electric Power Corp (SWPP)
Location: Seward County, Kansas
Operated by: Sunflower Electric Power CorpSourceEIA-860M Preliminary Monthly Electric Generator Inventory

Net generation MWh by year, 2001 to 2025

Fuel burned MMBtu by year, 2001 to 2025

Owner: Sunflower Electric Power CorpSource100.0%, EPA Greenhouse Gas Reporting Program — facility register with parent-company shares (Envirofacts pub_dim_facility; FLIGHT), as of Dec 31, 2023

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Technology: Gas, steam turbine source: “Natural Gas Steam Turbine”
Age: 63 years since 1963
Unused energy: 539 GWh 2025Unused energyA lead, not a guarantee: MW × hours × (1 − capacity factor) for the latest year (EIA-923), gas, coal and oil plants only. Air-permit run-hour caps, heat rate (cost to run) and capacity-market or reliability obligations can rule it out.
Heat rate: 11,530 Btu/kWh 2025

All 8 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory

Attributes
Attribute	Value
Grid	Nerc region MRO Report year 2025 Grid voltage kv 115, 13.80 Transmission owner Sunflower Electric Power Corp Balancing authority code SWPP Balancing authority name Southwest Power Pool
EPA greenhouse gas reporting (GHGRP)	EPA FRS ID 110063879539 Subparts reported C, D NAICS code 221112 Subpart PP (CO2 supply) No Subpart RR (geologic sequestration) No Subpart UU (CO2 injection) No Reporting year 2023 GHGRP facility ID 1001572
Eia status	By code OP Mw 50 Units 1 SB Mw 15 Units 1 Standby mw 15 Status rule some_units_idle In service mw 65 Out of service mw 0
Fuel burned (MMBtu), 2025	349,663
Capacity factor, 2025	0.053
Heat rate (Btu/kWh), 2025	11,530.1
Net generation (MWh), 2025	30,326
Balancing authority code	SWPP

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