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120 MW Natural Gas operating in Grant, KS
120 MW
Nameplate Capacity
12
Generators
units
Natural Gas Internal Combustion Engine
Technology
2014
Operating Since
Coordinates
37.5589, -101.1033
County
Grant, KS
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Sunflower Electric Power Corp | — | — |
| Owner(s) | Sunflower Electric Power Corp | — | — |
| Status | Operating | — | — |
The Rubart power plant is a 120 MW natural gas-fired facility located in Grant County, Kansas. It is owned and operated by Sunflower Electric Power Corp. The plant commenced operations in 2014 and consists of 12 natural gas internal combustion engine generators. Rubart is connected to the Southwest Power Pool (SPP) balancing authority and resides within the Midwest Reliability Organization (MRO) NERC region.
In terms of size, Rubart is ranked as the 13th largest power plant out of 16 in the state of Kansas, and 887th out of 945 nationally. The plant's latest annual generation was 40,886 MWh, resulting in a capacity factor of 3.9%.
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
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
Cooperative
Sector
Electric Utility
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.
2.6K MWh
Latest Month
40.9K MWh
Annual Generation
3.9%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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CO₂ Intensity
1114 lb/MWh
NOx
26 lb/MWh
SO₂
0.030 lb/MWh
CH₄
0.021 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
6.7%
Annual Net Gen
70 GWh
CO₂eq
1115 lb/MWh
Subregion
SPP North
2014
$1,017/kW
Est. Construction Cost
Total estimated cost: $122.0M
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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Market Position
ISO/RTO Market
SPP
LMP Node
SECIRUBART
Pricing Hub
SPPNORTH_HUB
Node Source
EIA-860 direct report
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.
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