MISO-J3948
200 MW storage in Posey, IN · In queue since March 2025
200 MW
Capacity
0
Components
1y 2m
In Queue
—
IA Status
Total Duration
1y 2m
Study Phase
Phase 1
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-J3948 is a proposed 200 MW battery storage project located in Posey County, Indiana. The project is being developed within the Midcontinent Independent System Operator (MISO) region and is listed in the interconnection queue as of March 25, 2025. The designated point of interconnection (POI) is the AB Brown 345 - Gibson (Duke Terminal) 345.0kV substation.
The project's queue status is active, with a service type of NRIS (Network Resource Interconnection Service). The utility associated with the project is Southern Indiana Gas & Electric Company d/b/a CenterPoint Energy Indiana South. The project is currently in Phase 1 of the MISO interconnection study process.
Generated from interconnection queue and public data sources
State
IN
County
Posey
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
SOUTHERN INDIANA GAS & ELECTRIC COMPANY D/B/A CENTERPOINT ENERGY INDIANA SOUTH
Entity
MISO
Service Type
NRIS
Point of Interconnection
AB Brown 345 - Gibson (Duke Terminal) 345.0kV
Data Source
Live · MISO
- ISO / RTO
- MISO
- Trading Hub
- INDIANA.HUB
- Hub Confidence
- MEDIUM
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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