United States › Grid › Interconnection queues › South Dakota
BATTERY STORAGE · MISOBattery storage project J4081, Grant County
Battery storage project J4081, Grant County is a 250 MW battery storage request in interconnection study in the MISO interconnection queue, in Grant County, South Dakota, connecting to OTTER TAIL POWER COMPANY.
- PlanningQueued Oct 2025 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget Jun 2030 (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
- J4081
- Grid region
- MISO (Midcontinent)
- Utility / transmission owner
- OTTER TAIL POWER COMPANY
- Connection point (POI)
- Big Stone South 345 kV substation
- Location
- Grant County, South Dakota
- Technology
- Battery: 250 MW
- Total requested
- 250 MW
- Service type
- Network resource (NRIS)
- Queue status
- Active
- Entered queue
- 7 October 2025
- Proposed online date
- June 2030
Location
Marker shows the centre of Grant County; the queue data does not give exact sites.
Power plants in South Dakota · Transmission lines in South Dakota
Other requests in Grant County
- Battery storage project J4153, Grant CountyBattery storage · 250 MW · in study
- Onshore wind project G736, Grant CountyOnshore wind · 200 MW · built
- Onshore wind project J488, Grant CountyOnshore wind · 152 MW · built
- Other project G058, Grant CountyOther · 3.0 MW · built
- Other project G396, Grant CountyOther · 2.0 MW · built
- Other project G118, Grant CountyOther · 650 MW · withdrawn
- Coal project G392, Grant CountyCoal · 600 MW · withdrawn
- Onshore wind project J4135, Grant CountyOnshore wind · 450 MW · withdrawn
- Battery storage project J4136, Grant CountyBattery storage · 250 MW · withdrawn
- Onshore wind project G939, Grant CountyOnshore wind · 250 MW · withdrawn
- Onshore wind project G722, Grant CountyOnshore wind · 250 MW · withdrawn
- Onshore wind project GI-1310, Grant CountyOnshore wind · 201 MW · withdrawn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