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408 MW Natural Gas operating in Johnson, KS — Southwest Power Pool
408 MW
Nameplate Capacity
4
Generators
units
Natural Gas Fired Combustion Turbine
Technology
2003
Operating Since
Coordinates
38.7879, -94.9857
County
Johnson, KS
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Evergy Metro | Evergy Metro | — |
| Owner(s) | Evergy Metro | Evergy | — |
| Status | Operating | — | — |
The West Gardner power plant is a 408 MW natural gas-fired facility located in Johnson County, Kansas. It began operating in 2003 and consists of four natural gas-fired combustion turbine generators. The plant is owned by Evergy and operated by Evergy Metro. It is interconnected to the Southwest Power Pool (SPP) balancing authority and resides within the Midcontinent Reliability Organization (MRO) NERC region.
West Gardner's latest annual generation was 501,967 MWh, resulting in a capacity factor of 14.0%. The plant ranks as the fourth largest in Kansas out of 16 plants, and 543rd nationally out of 945 plants. Financial data indicates an installed cost of $310.05 per kW, based on FERC filings.
Generated from EIA, GEM, and public data sources
ISO/RTO
SPP
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
17.3K MWh
Latest Month
502.0K MWh
Annual Generation
14.0%
Capacity Factor
CO₂ Intensity
1411 lb/MWh
NOx
0.362 lb/MWh
SO₂
Gas turbine · Kansas City Power & Light Company · Data from 2015–2024
$334/kW
Installed Cost
$0/kW
Annual CapEx
$31.0/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Point of Interconnection
Nearest Substation
West Gardner Gen Substation · 161 kV
Substation Distance
< 10 km
Operator
Evergy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
SPP
LMP Node
KCPLBULLCRK5UNWGR1
Pricing Hub
SPP North Hub
Location Type
Settlement Location
Node Source
EIA-860 direct report
Last updated 2026-03-26
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ask pi about West GardnerSouthwest Power Pool (SWPP)
Grid Voltage
161.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
0.007 lb/MWh
CH₄
0.027 lb/MWh
N₂O
0.003 lb/MWh
Capacity Factor
7.3%
Annual Net Gen
263 GWh
CO₂eq
1412 lb/MWh
Subregion
SPP North