Duane Arnold 345kV Substation (J1427)

Duane Arnold 345kV Substation is a 400.0 MW wind interconnection project in Benton County, Iowa with a current status of withdrawn. It is proposed to connect at Duane Arnold 345kV Substation.

400.0 MWCapacity
WithdrawnStatus
Market
WindTechnology

Project facts

Canonical nameDuane Arnold 345kV Substation
Queue IDJ1427
Statuswithdrawn
Source statusWithdrawn
Market
TechnologyWind
Capacity400.0 MW
StateIowa
CountyBenton County
Point of interconnectionDuane Arnold 345kV Substation
Requested (queue) date2019-04-29
Proposed in-service date2022-08-01
Operational date2022-08-01
Withdrawn date2021-03-24
Developer
Utility / transmission ownerITC MIDWEST

Cross-source records

This project is also observed in: Lawrence Berkeley National Laboratory — Queued Up interconnection dataset. interXdata links these source records without double-counting the project.

What changed

ObservedFieldOld valueNew valueMateriality
2026-07-29new_projectwithdrawnhigh

Explore related data

Source last checked2026-08-27
Data last materially changed2026-08-27
Page data generated2026-08-27

Provenance: MISO — generator interconnection queue. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

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