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SOO Green Interstate Transmission Project

Sector: Power Generation (CCGT) • Location: Illinois, United States

Source: Utility Dive

Project
Proposed

The SOO Green project is a proposed 350-mile underground, direct-current power line that aims to transfer 2,100 MW between the Midcontinent Independent System Operator (MISO) and PJM. The project has faced opposition from PJM and its market monitor, who argue that it would disrupt the capacity market and reliability of the grid.

Status
Prospective
Sector
Power Generation (CCGT), Road, Power Transmission
Location
Illinois, United States of America
Updated
22 Jul 2026
Source
Utility Dive

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Project Information

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The project “SOO Green Interstate Transmission Project” is an infrastructure initiative in the Power Generation (CCGT) sector, located in Illinois, United States. Taiyo aggregates data on it from Utility Dive.

Participants

Company

Status

Original status

proposed

Taiyo status

Prospective

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The SOO Green project is a proposed 350-mile underground, direct-current power line that aims to transfer 2,100 MW between the Midcontinent Independent System Operator (MISO) and PJM. The project has faced opposition from PJM and its market monitor, who argue that it would disrupt the capacity market and reliability of the grid.

Original sector

Transmission & Distribution

Budget

Location

Country

United States of America (USA)

State

Illinois

Source

Source

Utility Dive

URL

More Details

Record type

Project

Sector

Power Generation (CCGT), Road, Power Transmission

Article published date

2025-03-20

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