Obrien - Kossuth 345kV Line (J529 & J590 New Substation) (J877)

Obrien - Kossuth 345kV Line (J529 & J590 New Substation) is a 250.0 MW solar interconnection project in Palo Alto County, Iowa with a current status of operational. It is proposed to connect at Obrien - Kossuth 345kV Line (J529 & J590 New Substation).

250.0 MWCapacity
OperationalStatus
Market
SolarTechnology

Project facts

Canonical nameObrien - Kossuth 345kV Line (J529 & J590 New Substation)
Queue IDJ877
Statusoperational
Source statusDone
Market
TechnologySolar
Capacity250.0 MW
StateIowa
CountyPalo Alto County
Point of interconnectionObrien - Kossuth 345kV Line (J529 & J590 New Substation)
Requested (queue) date2017-06-16
Proposed in-service date2021-09-30
Operational date2021-09-30
Withdrawn date
Developer
Utility / transmission ownerMIDAMERICAN ENERGY CO.

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_projectoperationalhigh

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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