MISO-J3515
199.9 MW storage in Sangamon, IL · In queue since April 2024 · Proposed COD May 2026
199.9 MW
Capacity
1
Components
Battery
2y 1m
In Queue
—
IA Status
COD target: 2026
Total Duration
2y 1m
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: 2026-05-25
MISO-J3515 is a proposed energy storage project located in Sangamon County, Illinois, within the Midcontinent Independent System Operator (MISO) region. The project, with a total capacity of 199.9 MW, consists entirely of battery storage technology. The interconnecting utility is City Water Light & Power.
The project entered the MISO interconnection queue on April 17, 2024, with a proposed commercial operation date of May 25, 2026. As of the current data, the project is listed as active in the queue and no interconnection agreement (IA) status is available. The point of interconnection (POI) is listed as 343505 Interstate.
Generated from interconnection queue and public data sources
State
IL
County
Sangamon
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
CITY WATER LIGHT & POWER
Entity
MISO
Service Type
—
Point of Interconnection
343505 Interstate
Data Source
LBNL + Live
- ISO / RTO
- MISO
- Trading Hub
- ILLINOIS.HUB
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- CWLP.INTERSA81
- POI Substation
- Interstate
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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