MISO-J1263
408.6 MW hybrid in Clark, IL · In queue since April 2019 · Proposed COD January 2022
408.6 MW
Capacity
1
Components
Solar
7y 6m
In Queue
IA Executed
IA Phase
Signed Oct 2025
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
6y 6m
Total Duration
6y 6m
Schedule
59 months past proposed COD
Study Phase
DPP-2019 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 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: 2022-01-01
MISO-J1263 is a proposed hybrid solar and battery storage development project located in Clark County, Illinois, with a total capacity of 408.6 MW. The project's listed components include 408.6 MW of solar generation. A separate capacity figure for the battery storage portion is not specified. The project is situated within the Ameren Illinois utility service territory and would connect to the grid at the Casey – Kansas West 345 kV transmission line.
The project entered the Midcontinent Independent System Operator (MISO) interconnection queue on April 29, 2019, and was studied as part of the DPP-2019 Central study cycle. It has requested Network Resource Interconnection Service (NRIS). The project's queue status is active. An interconnection agreement was executed on October 8, 2025. The proposed commercial operation date listed in the queue is January 1, 2022, a date that precedes the execution of the 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
IL
County
Clark
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
AMEREN ILLINOIS
Entity
MISO
Service Type
NRIS
Point of Interconnection
Casey - Kansas West 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.
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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.
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- ISO / RTO
- MISO
- Trading Hub
- ILLINOIS.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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