MISO-J1664
200 MW generation in St. Clair, MI · In queue since June 2020 · Proposed COD September 2023
200 MW
Capacity
1
Components
Solar
6y 4m
In Queue
IA Executed
IA Phase
Signed Dec 2024
One connected view of the asset's ownership, operating or development evidence, grid context, commercial relationships, history, and forward outlook.
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Queue → IA
4y 6m
Total Duration
4y 6m
Schedule
38 months past proposed COD
Study Phase
DPP-2020 East (ITC)
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 executed — binding commitment to build
Typical: 30–60 days (negotiation)
Done; post-GIA Not Started; GIA
Project under construction
Typical: 12–24 months
Proposed COD: 2023-09-01
MISO-J1664 is a proposed 200 MW solar generation project located in St. Clair County, Michigan. The development project consists of a single solar component with a capacity of 200 MW and would connect to the transmission system at the Carrigan 120kV Substation, within the service territory of the transmission utility ITC. No developer or project name has been publicly identified in the interconnection queue data.
The project entered the Midcontinent Independent System Operator (MISO) interconnection queue on June 24, 2020, and remains in active status. It was studied as part of the DPP-2020 East (ITC) study cycle and has requested Network Resource Interconnection Service (NRIS). The project's original proposed commercial operation date was September 1, 2023, a date that has since passed without the project being recorded as operational. An interconnection agreement (IA) was executed on December 26, 2024, marking a significant milestone in the project's progression through the MISO interconnection process.
Generated from interconnection queue and public data sources
Realization risk from now to commercial operation — financing close, EPC and tax-equity counterparty mix, and COD probability vs the proposed date. The diligence view that determines whether the deal actually closes. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
State
MI
County
St. Clair
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
ITC
Entity
MISO
Service Type
NRIS
Point of Interconnection
Carrigan 120kV Substation
Data Source
LBNL + Live
Composite operating-phase risk view — what this asset's risk profile will look like once it commissions. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.
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Forward generation outlook — first-year production estimate and 10-year P50 trajectory, with probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios. 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. First-year DSCR, 10-year cashflow, and counterparty exposure across price and policy scenarios. Powered by InfraSure's asset cashflow stack.
See the full revenue + DSCR projection for this project.
- ISO / RTO
- MISO
- Trading Hub
- MICHIGAN.HUB
- Hub Confidence
- HIGH
- POI Substation
- Carrigan 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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