MISO-J3946
300 MW storage in Tazewell, IL · In queue since March 2025
300 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-J3946 is a proposed 300 MW battery storage project located in Tazewell County, Illinois. The project is in the Midcontinent Independent System Operator (MISO) interconnection queue, with an entry date of March 31, 2025. The proposed project, which is under study phase 1, is seeking Non-Retail Interconnection Service (NRIS) and intends to connect to the Ameren Illinois utility at the Point of Interconnection (POI) named Tazewell.
The development project is listed as active in the MISO queue. No information is available regarding the developer, proposed commercial operation date, interconnection agreement (IA) status, or news coverage.
Generated from interconnection queue and public data sources
State
IL
County
Tazewell
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
AMEREN ILLINOIS
Entity
MISO
Service Type
NRIS
Point of Interconnection
Tazewell
Data Source
Live · MISO
- ISO / RTO
- MISO
- Trading Hub
- ILLINOIS.HUB
- Hub Confidence
- HIGH
- POI Substation
- Tazewell
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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