MISO-J818
149 MW generation in Jefferson, WI · In queue since June 2017 · Proposed COD September 2019
149 MW
Capacity
1
Components
Solar
9y 4m
In Queue
Construction
IA Phase
Signed May 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 11m
Total Duration
2y 11m
Schedule
87 months past proposed COD
Study Phase
DPP-2017-AUG East (ATC)
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-J818 is a proposed 149 MW solar generation project located in Jefferson County, Wisconsin. The project is listed in the interconnection queue of the Midcontinent Independent System Operator (MISO), with American Transmission Co. as the associated transmission utility. It is designed to connect to the grid at the Jefferson 138kV Substation and has requested Network Resource Interconnection Service (NRIS). No developer is identified in the available queue data.
The project entered the MISO queue on June 16, 2017, and was studied in the DPP-2017-AUG East (ATC) phase of the Definitive Planning Phase process. Its originally proposed commercial operation date was September 1, 2019. An interconnection agreement was executed on May 6, 2020, and the agreement status is listed as "Construction." The project remains active in the 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
WI
County
Jefferson
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
American Transmission Co.
Entity
MISO
Service Type
NRIS
Point of Interconnection
Jefferson 138kV 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.
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
- MINN.HUB
- Hub Confidence
- HIGH
- POI Substation
- Jefferson 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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Ask about Project MISO-J818Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
