Surplus; G876/G877
400 MW hybrid in Mclean, IL · In queue since September 2022 · Proposed COD May 2025
400 MW
Capacity
1
Components
Wind
4y 1m
In Queue
—
IA Status
COD target: 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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Total Duration
2y 8m
Schedule
17 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: 2025-05-31
The proposed project designated "Surplus; G876/G877" (queue ID MISO-S1036) is a wind-based development project with a total capacity of 400 MW, located in McLean County, Illinois. It is classified as a hybrid project, with technology listed as wind and "other." The only component with a specified capacity is 400 MW of wind generation. The associated utility is Great River Energy. The listed point of interconnection is the Dickinson 345 kV substation in Buffalo, Minnesota.
The project is in the interconnection queue of the Midcontinent Independent System Operator (MISO), which it entered on September 9, 2022. Its status is active, and the proposed commercial operation date is May 31, 2025. The "Surplus" designation and the references to G876 and G877 suggest the request may be a surplus interconnection request tied to existing queue positions, though the provided data does not confirm this. No interconnection agreement status, developer, or matching operating plant is identified in the available records.
Generated from interconnection queue and public data sources
Realization risk before commercial operation — cluster-study clearance, IA timing, counterparty mix, and withdrawal probability vs cohort. The diligence view that determines whether this project is worth pursuing. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
State
IL
County
Mclean
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
GREAT RIVER ENERGY
Entity
MISO
Service Type
—
Point of Interconnection
Dickinson 345 kV, Buffalo, MN
Data Source
LBNL + Live
Composite operating-phase risk view — what this asset's risk profile would look like once it reaches commercial operation. 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 — what this project would produce assuming it reaches commercial operation. Probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios, conditioned on the proposed COD. 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. The bankability view that determines whether the deal clears its covenants once online. 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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Ask about Surplus; G876/G877Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
