MISO-J3159
100 MW storage in Dubuque, IA · In queue since September 2022 · Proposed COD June 2027
100 MW
Capacity
1
Components
Battery
3y 8m
In Queue
Cluster Study
IA Status
COD target: 2027
Total Duration
4y 9m
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: 2027-06-30
MISO-J3159 is a proposed 100 MW battery storage project located in Dubuque County, Iowa. The project is in the Midcontinent Independent System Operator (MISO) interconnection queue, having entered the queue on September 14, 2022. The proposed commercial operation date is June 30, 2027. The project's interconnection status is currently in the Cluster Study phase. The point of interconnection is the Gardner 69 kV substation, and the interconnecting utility is ITC Midwest.
The development project consists solely of battery storage, with a total capacity of 100 MW.
Generated from interconnection queue and public data sources
State
IA
County
Dubuque
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
ITC MIDWEST
Entity
MISO
Service Type
—
Point of Interconnection
Gardner 69 kV substation
Data Source
LBNL + Live
- ISO / RTO
- MISO
- Trading Hub
- MINN.HUB
- Hub Confidence
- HIGH
- POI Substation
- West Gardner 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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