United States › Grid › Interconnection queues › Minnesota
BATTERY STORAGE · MISOHoot Lake Battery Energy Storage System
Hoot Lake Battery Energy Storage System is a 90.7 MW battery storage request in interconnection study in the MISO interconnection queue, in Otter Tail County, Minnesota, connecting to Otter Tail Power Company.
Queue statusIn planning
- PlanningQueued Aug 2025 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget May 2028 (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
- E0005
- Grid region
- MISO (Midcontinent)
- Utility / transmission owner
- Otter Tail Power Company
- Developer
- Otter Tail Power Company
- Connection point (POI)
- Hoot Lake 115 kV Substation
- Location
- Otter Tail County, Minnesota
- Technology
- Battery: 90.7 MW
- Total requested
- 90.7 MW
- Service type
- Network resource (NRIS)
- Study phase
- Request Status: Active; Post GIA Status: Not started
- Queue status
- Active
- Entered queue
- 6 August 2025
- Proposed online date
- May 2028
Location
Marker shows the centre of Otter Tail County; the queue data does not give exact sites.
Other requests in Otter Tail County
- Solar project J4091, Otter Tail CountySolar · 295 MW · in study
- Onshore wind project J4129, Otter Tail CountyOnshore wind · 200 MW · in study
- Solar + storage project J3742, Otter Tail CountySolar + storage · 160 MW · in study
- Replace Hoot Lake units 2 and 3 (144.8 MW) with Seventeen (17) Sungrow 3 MW solar inverters and PV panels at 49.9 MW; Hoot Lake 2 & 3Other · 49.9 MW · in study
- Onshore wind project G619, Otter Tail CountyOnshore wind · 50.0 MW · built
- Other project G146, Otter Tail CountyOther · 4.0 MW · built
- Replace 350 MW of ALTW.FPL_DAEC Unit with Solar; Duane ArnoldOther · 350 MW · withdrawn
- Solar project GEN-2024-269, Otter Tail CountySolar · 315 MW · withdrawn
- Onshore wind project G721, Otter Tail CountyOnshore wind · 160 MW · withdrawn
- Battery storage project J3778, Otter Tail CountyBattery storage · 100 MW · withdrawn
- Onshore wind project G843, Otter Tail CountyOnshore wind · 100 MW · withdrawn
- Onshore wind project J193, Otter Tail CountyOnshore wind · 50.0 MW · withdrawn
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