MISO-J4081
250 MW storage in Grant, SD · In queue since October 2025
250 MW
Capacity
0
Components
7 months
In Queue
—
IA Status
Total Duration
7 months
Interconnection request submitted to ISO/RTO
MISO uses the Definitive Planning Phase (DPP) process with 3 study phases.
Typical: 30–40 months (historical); 12 months target
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Commercial operation date not yet determined
MISO-J4081 is a proposed 250 MW battery storage project located in Grant County, South Dakota. The project is being developed within the Midcontinent Independent System Operator (MISO) region and is interconnected to the Big Stone South 345 kV substation. The queue entry date for MISO-J4081 is October 7, 2025.
The project's service type is NRIS (Network Resource Interconnection Service). Otter Tail Power Company is the utility associated with the interconnection. As of the latest data, the project remains in the active stage within the MISO interconnection queue.
Generated from interconnection queue and public data sources
State
SD
County
Grant
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
OTTER TAIL POWER COMPANY
Entity
MISO
Service Type
NRIS
Point of Interconnection
Big Stone South 345 kV substation
Data Source
Live · MISO
- ISO / RTO
- MISO
- Trading Hub
- MINN.HUB
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- OTP.MDU.BSTON1
- POI Substation
- Big Stone South Substation
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
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