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9.8 MW Natural Gas Internal Combustion Engine (4 MW) + Petroleum Liquids (6 MW) standby in Poweshiek, IA
9.8 MW
Nameplate Capacity
8
Generators
units
Hybrid (2)
Technology
Natural Gas Internal Combustion Engine + Petroleum Liquids
1940
Operating Since
Coordinates
41.5861, -92.5228
County
Poweshiek, IA
Nearby Plants
Forward-looking, asset-specific exposure analytics combining climate hazards, generation variability, and counterparty risk into a single decision-grade view. Powered by InfraRisk.
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | City of Montezuma - (IA) | — | — |
| Owner(s) | City of Montezuma - (IA) | — | — |
| Status | Standby | — | — |
Located in Poweshiek County, Iowa, the Montezuma plant has a total capacity of 9.8 MW. The plant began operating in 1940 and is owned and operated by the City of Montezuma. It utilizes both natural gas internal combustion engines and petroleum liquids as fuel sources, classifying it as a hybrid plant. The plant consists of 8 generators.
The Montezuma plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the NERC MRO region. In terms of size, it is ranked 25th out of 90 power plants in Iowa and 347th out of 886 plants nationally. The plant's latest annual generation was 119 MWh, resulting in a capacity factor of 0.1%.
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
161.0 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.
9 MWh
Latest Month
119 MWh
Annual Generation
0.1%
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
1584 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
34 lb/MWh
SO₂
2 lb/MWh
CH₄
0.056 lb/MWh
N₂O
0.010 lb/MWh
Capacity Factor
0.2%
Annual Net Gen
0 GWh
CO₂eq
1588 lb/MWh
Subregion
MRO West
2013
$765/kW
Est. Construction Cost
Total estimated cost: $7.5M
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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Market Position
ISO/RTO Market
MISO
LMP Node
MEC.CMMPA.MONT
Pricing Hub
MINN.HUB
Alt. Hub / Zone
ILLINOIS.HUB
Location Type
Load Zone
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.
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