Marshalltown Generating Station (58236_CTG2)

Marshalltown Generating Station is a 222.7 MW gas interconnection project in Marshall, Iowa with a current status of operational.

222.7 MWCapacity
OperationalStatus
MISOMarket
GasTechnology

Project facts

Canonical nameMarshalltown Generating Station
Queue ID58236_CTG2
Statusoperational
Source status(OP) Operating
MarketMISO
TechnologyGas
Capacity222.7 MW
StateIowa
CountyMarshall
Point of interconnection
Requested (queue) date
Proposed in-service date
Operational date2017-04-01
Withdrawn date
Developer
Utility / transmission ownerInterstate Power and Light Co

What changed

ObservedFieldOld valueNew valueMateriality
2026-08-02new_projectoperationalhigh

Explore related data

Source last checked2026-08-03
Data last materially changed2026-08-03
Page data generated2026-08-28

Provenance: U.S. EIA — Form EIA-860M generator inventory (operating + planned). Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

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