MISO-J3140
50 MW storage in Porter, IN · In queue since September 2022 · Proposed COD August 2026
50 MW
Capacity
1
Components
Battery
3y 8m
In Queue
Cluster Study
IA Status
COD target: 2026
Total Duration
3y 11m
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)
Proposed COD: 2026-08-31
MISO-J3140 is a proposed 50 MW battery storage project located in Porter County, Indiana. The project is being developed within the Northern Indiana Public Service Company (NIPSCO) service area and is interconnected to the MISO grid at the South Valparaiso 138 kV Substation.
The project entered the MISO interconnection queue on September 14, 2022, with a proposed commercial operation date of August 31, 2026. Its interconnection status is currently in the Cluster Study phase.
Generated from interconnection queue and public data sources
State
IN
County
Porter
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
NORTHERN INDIANA PUBLIC SERVICE COMPANY
Entity
MISO
Service Type
—
Point of Interconnection
South Valparaiso 138 kV Substation
Data Source
LBNL + Live
- ISO / RTO
- MISO
- Trading Hub
- INDIANA.HUB
- Hub Confidence
- HIGH
- POI Substation
- South
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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