Gardner 69 kV substation (J3159)

Gardner 69 kV substation is a 100.0 MW battery interconnection project in Dubuque, Iowa with a current status of operational. It is proposed to connect at Gardner 69 kV substation.

100.0 MWCapacity
OperationalStatus
Market
BatteryTechnology

Project facts

Canonical nameGardner 69 kV substation
Queue IDJ3159
Statusoperational
Source statusActive
Market
TechnologyBattery
Capacity100.0 MW
StateIowa
CountyDubuque
Point of interconnectionGardner 69 kV substation
Requested (queue) date2022-09-14
Proposed in-service date2027-06-30
Operational date2027-06-30
Withdrawn date
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_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.

Follow this project and get an alert when its status, capacity, developer, or schedule changes.

Start tracking with interXdata