MISO-J2889
200 MW storage in Allegan, MI · In queue since September 2022 · Proposed COD August 2025
200 MW
Capacity
1
Components
Battery
3y 8m
In Queue
In Progress (unknown study)
IA Status
COD target: 2025
Total Duration
2y 11m
Schedule
9 months past proposed COD
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: 2025-08-01
MISO-J2889 is a proposed 200 MW battery storage project located in Allegan County, Michigan. The project, which consists of a single 200 MW battery component, is in the Midcontinent Independent System Operator (MISO) interconnection queue. The queue entry date is September 14, 2022, with a proposed commercial operation date of August 1, 2025. The interconnection agreement status is listed as "In Progress (unknown study)".
The project is being developed within the Michigan Electric Transmission Company (METC) service area and will interconnect at the Argenta 138 kV Substation. The project has appeared in recent news coverage regarding energy storage development in the MISO region.
Generated from interconnection queue and public data sources
State
MI
County
Allegan
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
METC
Entity
MISO
Service Type
—
Point of Interconnection
Argenta 138 kV Substation
Data Source
LBNL + Live
- ISO / RTO
- MISO
- Trading Hub
- MICHIGAN.HUB
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- CONS.MPPA_3.AZ
- POI Substation
- Argenta 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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