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78.7 MW Distillate Oil operating in Story, IA
78.7 MW
Nameplate Capacity
2
Generators
units
Petroleum Liquids
Technology
1972
Operating Since
Coordinates
42.0272, -93.5828
County
Story, IA
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | City of Ames - (IA) | — | — |
| Owner(s) | City of Ames - (IA) | — | — |
| Status | Operating | — | — |
Ames GT is a 78.7 MW petroleum-fueled power plant located in Story County, Iowa. The plant began operating in 1972 and is owned and operated by the City of Ames. It consists of two generators utilizing petroleum liquids as their primary fuel source. The plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority, in the Midwest Reliability Organization (MRO) NERC region.
In the most recent year with available data, Ames GT generated 420 MWh of electricity, resulting in a capacity factor of 0.1%. The plant is ranked as the 2nd largest of 90 power plants in Iowa, and 74th out of 886 plants nationally, based on its generating capacity.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
69.0 kV
Regulatory Status
RE — Regulated
Entity Type
Municipal
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.
31 MWh
Latest Month
420 MWh
Annual Generation
0.1%
Capacity Factor
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CO₂ Intensity
2247 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
2 lb/MWh
SO₂
0.701 lb/MWh
CH₄
0.097 lb/MWh
N₂O
0.019 lb/MWh
Capacity Factor
0.2%
Annual Net Gen
2 GWh
CO₂eq
2255 lb/MWh
Subregion
MRO West
2013
$765/kW
Est. Construction Cost
Total estimated cost: $60.2M
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Point of Interconnection
Nearest Substation
Ames Gas Turbines · 69 kV
Substation Distance
4.191 km
Operator
City of Ames
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
MEC.AMES_UNIT8
Pricing Hub
MINN.HUB
Location Type
Generation Node
Node Source
Curated node match
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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