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38.9 MW Natural Gas standby in Butler, KS
38.9 MW
Nameplate Capacity
1
Generators
unit
Natural Gas Fired Combustion Turbine
Technology
1996
Operating Since
Coordinates
37.7928, -96.8772
County
Butler, KS
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Frontier El Dorado Refinery LLC | — | — |
| Owner(s) | Frontier El Dorado Refinery LLC | — | — |
| Status | Standby | — | — |
The El Dorado Refinery is a 38.9 MW natural gas-fired power plant located in Butler County, Kansas. The plant began operating in 1996 and has one generator utilizing a natural gas-fired combustion turbine. Frontier El Dorado Refinery LLC operates the facility, which is located within the Southwest Power Pool (SPP) balancing authority and the Midwest Reliability Organization (MRO) NERC region.
In the most recent year of reported data, the El Dorado Refinery generated 220,410 MWh of electricity, achieving a capacity factor of 64.6%. The plant ranks 22nd out of 53 power plants in Kansas based on capacity, and 1193rd out of 1963 plants nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
SPP
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
Southwest Power Pool (SWPP)
Grid Voltage
13.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Industrial
Sector
Industrial CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
23.2K MWh
Latest Month
220.4K MWh
Annual Generation
64.6%
Capacity Factor
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CO₂ Intensity
680 lb/MWh
NOx
2 lb/MWh
SO₂
0.019 lb/MWh
CH₄
0.013 lb/MWh
N₂O
0.001 lb/MWh
Capacity Factor
65.5%
Annual Net Gen
223 GWh
CO₂eq
681 lb/MWh
Subregion
SPP North
2013
$965/kW
Est. Construction Cost
Total estimated cost: $37.5M
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Point of Interconnection
Nearest Substation
Frontier Refinery Substation
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
SPP
LMP Node
—
Pricing Hub
SPPNORTH_HUB
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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