What is the latest status of the project “MISO Tranche 2.1 Transmission Line Projects”?

The status recorded for “MISO Tranche 2.1 Transmission Line Projects” is planned.

What is the budget and commercial profile for the project “MISO Tranche 2.1 Transmission Line Projects”?

Taiyo normalizes the budget of “MISO Tranche 2.1 Transmission Line Projects” to USD 22000000000.

Where can I verify the source and access all details for “MISO Tranche 2.1 Transmission Line Projects”?

This Taiyo project page references Mitchell Republic along with the original URL (https://www.mitchellrepublic.com/news/south-dakota/major-power-line-expansions-will-fuel-future-south-dakota-growth). Taiyo standardizes official data into a consistent, searchable project profile.

MISO Tranche 2.1 Transmission Line Projects

Sector: Power Generation (CCGT) • Location: Big Stone City, South Dakota, United States

Source: Mitchell Republic

Project

Planned

A set of 488 individual transmission projects over the next 10 years costing $22 billion, including a 345-kilovolt line from Alexandria, Minnesota, to Big Stone City, and a new 765-kilovolt line from Big Stone City to White and Trimont in Minnesota. These projects aim to expand electric capacity in the Upper Midwest.

Status: Prospective
Sector: Power Generation (CCGT)
Location: Big Stone City, South Dakota, United States of America
Updated: 22 Jul 2026
Source: Mitchell Republic

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Project Information

4 Q

The project “MISO Tranche 2.1 Transmission Line Projects” is an infrastructure initiative in the Power Generation (CCGT) sector, located in Big Stone City, South Dakota, United States. Taiyo aggregates data on it from Mitchell Republic.

Participants

Not available for this record.

Status

Original status	planned
Taiyo status	Prospective
Taiyo last update	2026-07-22

Contact

Not available for this record.

Description

Description	A set of 488 individual transmission projects over the next 10 years costing $22 billion, including a 345-kilovolt line from Alexandria, Minnesota, to Big Stone City, and a new 765-kilovolt line from Big Stone City to White and Trimont in Minnesota. These projects aim to expand electric capacity in the Upper Midwest.
Original sector	Energy
Budget

Location

Country	United States of America (USA)
State	South Dakota
City	Big Stone City

Source

Source	Mitchell Republic
URL

More Details

Record type	Project
Sector	Power Generation (CCGT)
Article published date	2025-11-10

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MISO Tranche 2.1 Transmission Line Projects

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