Battery storage project J2655, Polk County

Battery storage project J2655, Polk County is a 170 MW battery storage request in interconnection study in the MISO interconnection queue, in Polk County, Iowa, connecting to MIDAMERICAN ENERGY CO..

Queue statusIn planning

PlanningQueued Sep 2022 (current stage)
Consented (not yet reached)
Construction (not yet reached)
OperatingTarget May 2026 (not yet reached)
Closed (not yet reached)

Studies assess what grid upgrades the project would need and who pays for them. A signed interconnection agreement is the main step before construction.

Request details

Queue ID: J2655
Grid region: MISO (Midcontinent)
Utility / transmission owner: MIDAMERICAN ENERGY CO.
Connection point (POI): Army Post 161 kV Substation
Location: Polk County, Iowa
Technology: Battery: 170 MW
Total requested: 170 MW
Service type: Network resource (NRIS)
Study phase: Study Phase: DPP 2; Post GIA Status: Not Started
Queue status: Active
Entered queue: 15 September 2022
Proposed online date: May 2026

Location

Marker shows the centre of Polk County; the queue data does not give exact sites.

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Other requests in Polk County

Source: Lawrence Berkeley National Laboratory, Queued Up, data through end of 2025, compiled from ISO/RTO and utility queues. Check the grid operator's own queue for the latest status. Report a problem