Columbia-North Madison 345kV (J2423)

Columbia-North Madison 345kV is a 300.0 MW battery interconnection project in Columbia, Wisconsin with a current status of operational. It is proposed to connect at Columbia-North Madison 345kV.

300.0 MWCapacity
OperationalStatus
Market
BatteryTechnology

Project facts

Canonical nameColumbia-North Madison 345kV
Queue IDJ2423
Statusoperational
Source statusActive
Market
TechnologyBattery
Capacity300.0 MW
StateWisconsin
CountyColumbia
Point of interconnectionColumbia-North Madison 345kV
Requested (queue) date2022-09-13
Proposed in-service date2027-10-01
Operational date2027-10-01
Withdrawn date
Developer
Utility / transmission ownerMISO

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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