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37.3 MW Natural Gas Internal Combustion Engine (10 MW) + Petroleum Liquids (27 MW) operating in Allen, KS — Southwest Power Pool
37.3 MW
Nameplate Capacity
14
Generators
units
Hybrid (2)
Technology
Natural Gas Internal Combustion Engine + Petroleum Liquids
1969
Operating Since
Coordinates
37.9235, -95.4242
County
Allen, KS
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | City of Iola - (KS) | — | — |
| Owner(s) | City of Iola - (KS) | — | — |
| Status | Operating | — | — |
The Iola power plant, located in Allen County, Kansas, has a total capacity of 29.3 MW across 10 generators. The plant began operating in 1969 and is owned and operated by the City of Iola. The primary fuel source is distillate fuel oil (DFO), and the plant utilizes both natural gas internal combustion engines and petroleum liquids as technologies. Iola is considered a hybrid plant.
In the most recent year with available data, the plant generated 563 MWh, resulting in a capacity factor of 0.2%. The Iola plant operates within the Southwest Power Pool (SPP) balancing authority and the Midwest Reliability Organization (MRO) NERC region. It is ranked as the 4th largest plant out of 42 in Kansas, and 142nd out of 886 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
36 MWh
Latest Month
563 MWh
Annual Generation
0.2%
Capacity Factor
CO₂ Intensity
1521 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
26 lb/MWh
SO₂
2013
$965/kW
Est. Construction Cost
Total estimated cost: $36.0M
Point of Interconnection
Nearest Substation
Iola Gen Substation · 69 kV
Substation Distance
< 10 km
Operator
Evergy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
SPP
LMP Node
—
Pricing Hub
SPP North Hub
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
Last updated 2026-03-26
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ask pi about IolaSouthwest Power Pool (SWPP)
Grid Voltage
69.0 kV
Regulatory Status
RE — Regulated
Entity Type
Municipal
Sector
Electric Utility
2 lb/MWh
CH₄
0.026 lb/MWh
N₂O
0.003 lb/MWh
Capacity Factor
0.4%
Annual Net Gen
1 GWh
CO₂eq
1523 lb/MWh
Subregion
SPP North