Midcontinent Independent System Operator

Utility

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Sector: grid-operators-utilities
HQ: US
Stories: 4 on MGRID.org

Stories about Midcontinent Independent System Operator (4)

ATC Sets First Structure on Wisconsin 345 kV Grid Forward Line, Now 5% Built

August 13, 2026 · Capacity & Wholesale Markets

4 sources American Transmission Co. has started building the Grid Forward - Central Wisconsin 345 kV project, a MISO Tranche 1 line that ATC says will save Wisconsin customers about…
MISO Awards Ameren-Led Consortium Two 765-kV Illinois Lines Totaling $1.66 Billion, 237 Miles

May 19, 2026 · Capacity & Wholesale Markets

3 sources MISO picked an Ameren- and GridLiance-led consortium to build two 765-kV Illinois transmission projects spanning 237 miles for an estimated $1.658 billion, with service targeted for 2034.
FERC: US Data Centers Hit 50 GW as MISO Grows 43% Per Year

March 19, 2026 · Analysis

3 sources US data center capacity reached 50 GW by end of 2025 with 24% compound annual growth since 2020, according to FERC 2025 State of the Markets report. MISO…
MISO Gets Extension to June 2026 on FERC Order 1920 Compliance Filing

February 10, 2026 · FERC & Federal

MISO secured a 12-month extension from FERC on its Order 1920 regional compliance filing, pushing the deadline to June 12, 2026. MISO manages the transmission grid across 15 US states…