Replacing 20 MW of solar with storage; J1746 (MISO-R5066) — Project Summary

Queue ID
MISO-R5066
Capacity
20.2 MW
Technology
Battery
Status
active
Location
Columbia, WI
Region
MISO
Developer
IA Status

Replacing 20 MW of solar with storage; J1746

MISO-R5066BetaActiveBatteryOther StorageMISOLBNL + Live

20.2 MW storage in Columbia, WI · In queue since April 2025 · Proposed COD December 2026

BA: MISOISO/RTO: MISONERC: MRORC: MISO

20.2 MW

Capacity

1

Components

Battery

1y 1m

In Queue

IA Status

COD target: 2026

Interconnection

Total Duration

1y 8m

Pre-Study0%
Queue EntryApr 10, 2025

Interconnection request submitted to ISO/RTO

DPP Study

MISO uses the Definitive Planning Phase (DPP) process with 3 study phases.

Typical: 30–40 months (historical); 12 months target

Interconnection Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2026-12-13

About

MISO-R5066 is a proposed 20.2 MW battery storage project located in Columbia County, Wisconsin. The project, which utilizes compressed air storage technology, is in the Midcontinent Independent System Operator (MISO) interconnection queue. The queue entry date is April 10, 2025.

The project is currently listed as active in the MISO queue and is interconnected with American Transmission Company at the point of interconnection (POI) named Columbia.

Generated from interconnection queue and public data sources

Development Risk

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.

Available on the InfraSure platform

See the full development-risk decomposition for this project.

P(COD by stated date)
Withdrawal probability vs cohort
IA cluster risk
Project Details

State

WI

County

Columbia

Grid Region

MISO (Midcontinent)

Market

ISO/RTO Member

Developer

Utility

AMERICAN TRANSMISSION COMPANY

Entity

MISO

Service Type

Point of Interconnection

Columbia

Data Source

LBNL + Live

Risk Analytics

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.

Available on the InfraSure platform

See the full risk decomposition + scenarios for this project.

Climate hazards (8+)
Generation variability (P10/P50/P90)
Offtake + transmission counterparty
Generation Forecast

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.

Available on the InfraSure platform

See the full forecast + scenario decomposition for this project.

P50 conditioned on COD
Capacity factor vs cohort
Weather + policy scenarios
Financial Forecast

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.

Available on the InfraSure platform

See the full revenue + DSCR projection for this project.

Revenue conditioned on COD
Financing close risk
Cohort DSCR comparison
Market Context
Approximate
ISO / RTO
MISO
Trading Hub
MINN.HUB
Hub Confidence
HIGH
Nearest Node (Estimated)
MGE.JOUCOLUM1
POI Substation
Columbia Station

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.

No news available for this project.
InfraSure platform

Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.