MISO-J1586
499 MW hybrid in Calhoun, MI · In queue since June 2020 · Proposed COD September 2023
499 MW
Capacity
1
Components
Solar
6y 4m
In Queue
IA Executed
IA Phase
Signed Jul 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 1m
Total Duration
4y 1m
Schedule
37 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: 18–30 months
Proposed COD: 2023-09-30
MISO-J1586 is a proposed solar-plus-battery hybrid development project located in Calhoun County, Michigan. The project has a total capacity of 499 MW. The queue data lists only a single 499 MW solar component, with no separate capacity figure provided for the battery storage element. The project would connect to the transmission system operated by ITC at a point of interconnection on the Argenta to Tompkins 345 kV line. It has requested Network Resource Interconnection Service (NRIS).
The project is in the interconnection queue of the Midcontinent Independent System Operator (MISO), which it entered on June 25, 2020. It was studied as part of the DPP-2020 East (ITC) cycle and remains in active status. An interconnection agreement was executed on July 24, 2024. The project's proposed commercial operation date is listed as September 30, 2023, a date that precedes the execution of its interconnection agreement.
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.
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State
MI
County
Calhoun
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
ITC
Entity
MISO
Service Type
NRIS
Point of Interconnection
Argenta to Tompkins 345kV line
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
- MEDIUM
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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