MISO-J2532
200 MW storage in Sangamon, IL · In queue since September 2022 · Proposed COD November 2026
200 MW
Capacity
1
Components
Battery
3y 8m
In Queue
Cluster Study
IA Status
COD target: 2026
Total Duration
4y 2m
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: 2026-11-01
MISO-J2532 is a proposed 200 MW battery storage project located in Sangamon County, Illinois. The project, which is in the Ameren Illinois service area, entered the MISO interconnection queue on September 15, 2022, with a proposed commercial operation date of November 1, 2026. Its interconnection status is currently listed as "Cluster Study".
The development project consists of a single 200 MW battery component. The point of interconnection is the Latham 345 kV substation.
Generated from interconnection queue and public data sources
State
IL
County
Sangamon
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
AMEREN ILLINOIS
Entity
MISO
Service Type
—
Point of Interconnection
Latham 345 kV
Data Source
LBNL + Live
- ISO / RTO
- MISO
- Trading Hub
- ILLINOIS.HUB
- Hub Confidence
- HIGH
- POI Substation
- Latham 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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