MISO-J3946
300 MW storage in Tazewell, IL · In queue since March 2025 · Proposed COD June 2030
300 MW
Capacity
1
Components
Battery
1y 4m
In Queue
—
IA Status
COD target: 2030
Total Duration
5y 3m
Study Phase
DPP Cycle Pending Central
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: 2030-06-01
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
Realization risk before commercial operation — cluster-study clearance, IA timing, counterparty mix, and withdrawal probability vs cohort. The diligence view that determines whether this project is worth pursuing. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
State
IL
County
Tazewell
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
—
Entity
MISO
Service Type
NRIS
Point of Interconnection
Tazewell
Data Source
LBNL + Live
Composite operating-phase risk view — what this asset's risk profile would look like once it reaches commercial operation. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.
See the full risk decomposition + scenarios for this project.
Forward generation outlook — what this project would produce assuming it reaches commercial operation. Probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios, conditioned on the proposed COD. Powered by InfraSure's generation modeling stack.
See the full forecast + scenario decomposition for this project.
Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. The bankability view that determines whether the deal clears its covenants once online. Powered by InfraSure's asset cashflow stack.
See the full revenue + DSCR projection for this project.
- 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.
No Ask reports yet for this entity.
Ask about Project MISO-J3946Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.