24.4 MW Natural Gas Internal Combustion Engine (19 MW) + Petroleum Liquids (5 MW) operating in Jackson, IA — Midcontinent Independent Transmission System Operator, Inc..
24.4 MW
Nameplate Capacity
9
Generators
units
Hybrid (2)
Technology
Natural Gas Internal Combustion Engine + Petroleum Liquids
1956
Operating Since
Coordinates
42.0387, -90.6627
County
Jackson, IA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | City of Maquoketa - (IA) | — | — |
| Owner(s) | City of Maquoketa - (IA) | — | — |
| Status | Operating | — | — |
Maquoketa 1 is a 24.4 MW hybrid power plant located in Jackson County, Iowa. The plant began operating in 1956 and is owned and operated by the City of Maquoketa. It utilizes nine generators with Natural Gas Internal Combustion Engine technology, and also has the capability to use Petroleum Liquids as a secondary fuel.
The plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority. According to available rankings, Maquoketa 1 is the 23rd largest power plant out of 37 in Iowa, and ranks 1278 out of 1963 nationally. News reports indicate at least one article related to hazards at the plant.
Generated from EIA, GEM, and public data sources
NERC Region
MRO
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
69 kV
Regulatory Status
RE
Entity Type
Municipal
Sector
Electric Utility
0 MWh
Latest Month
0 MWh
Annual Generation
0.0%
Capacity Factor
No financial data available for this plant.
Point of Interconnection
Nearest Substation
Maquoketa 1
Substation Distance
3.833 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
ALTW.MQOKT.ARR
Pricing Hub
MINN.HUB
Location Type
Trading Hub
Node Source
Curated node match
Last updated 2026-03-14
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