MISO-J859
149.94 MW generation in Cass, IL · In queue since June 2017 · Proposed COD September 2019
149.94 MW
Capacity
1
Components
Solar
9y 4m
In Queue
Construction
IA Phase
Signed Jan 2020
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
2y 7m
Total Duration
2y 7m
Schedule
87 months past proposed COD
Study Phase
DPP-2017-AUG 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 Under Construction; GIA
Project under construction
Typical: 12–24 months
Proposed COD: 2019-09-01
MISO-J859 is a proposed 149.94 MW solar generation project located in Cass County, Illinois. The development project is a standalone solar facility with no storage or other hybrid components. It is situated within the service territory of Ameren Illinois and proposes to connect to the transmission system at the Frederick North – Meredosia East 138 kV line. The project has requested Network Resource Interconnection Service (NRIS), and no developer or project name has been publicly identified in the queue data.
The project entered the Midcontinent Independent System Operator (MISO) interconnection queue on June 16, 2017, and was studied as part of the DPP-2017-AUG Central study cycle. Its interconnection agreement was executed on January 23, 2020, and the agreement status is listed as "Construction." The project's proposed commercial operation date was September 1, 2019, which predates the agreement execution. As of the latest available data, MISO-J859 remains active in the MISO queue.
Generated from interconnection queue and public data sources
Realization risk through commissioning — schedule slippage, construction cost overrun, and COD probability vs the stated window. The diligence view that determines whether the project comes online when promised. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
State
IL
County
Cass
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
AMEREN ILLINOIS
Entity
MISO
Service Type
NRIS
Point of Interconnection
Frederick North - Meredosia East 138kV 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.
See the full risk decomposition + scenarios for this project.
Forward generation outlook — first-year production estimate and 10-year P50 trajectory, with curtailment risk decomposed by congestion zone and 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, first-year DSCR, and construction cost overrun exposure — what determines whether the deal clears its covenants once online. Projected across price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
See the full revenue + DSCR projection for this project.
- 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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