United States βΊ Grid βΊ Interconnection queues βΊ Iowa
BATTERY STORAGE Β· MISOBattery storage project J3737, Mills County
Battery storage project J3737, Mills County is a 100 MW battery storage request withdrawn in the MISO interconnection queue, in Mills County, Iowa, connecting to MIDAMERICAN ENERGY CO..
Queue statusWithdrawn / abandoned
- PlanningQueued Apr 2024 (completed)
- Withdrawn / abandonedOct 2025 (project stopped here)
- Consented (not reached)
- Construction (not reached)
- Operating (not reached)
- Closed (not reached)
Request details
- Queue ID
- J3737
- Grid region
- MISO (Midcontinent)
- Utility / transmission owner
- MIDAMERICAN ENERGY CO.
- Connection point (POI)
- HASTINGS
- Location
- Mills County, Iowa
- Technology
- Battery: 100 MW
- Total requested
- 100 MW
- Service type
- Network resource (NRIS)
- Study phase
- Study Phase: DPP 1
- Queue status
- Withdrawn
- Entered queue
- 18 April 2024
- Proposed online date
- June 2028
- Withdrawn
- October 2025
Location
Marker shows the centre of Mills County; the queue data does not give exact sites.
Other requests in Mills 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