NextEra Energy Transmission unit GridLiance wins MISO selection for Illinois 765-kV lines

Ameren
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Ameren

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Nextera

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  • MISO selected a consortium led by Ameren’s ATXI unit and GridLiance Heartland, a subsidiary of NextEra Energy Transmission, to develop two Illinois 765-kV transmission projects under its Long Range Transmission Planning Tranche 2.1 portfolio.
  • GridLiance will take a 43% ownership stake in the Sub T–Iowa/Illinois State Line–Woodford County project, alongside ATXI at 43%, with minority interests held by Dairyland at 11% and IMEA at 3%.
  • The Sub T–Iowa/Illinois State Line–Woodford County build includes about 149 miles of new 765-kV lines with a MISO estimated cost of $940 million.
  • GridLiance will also hold 43% of the Woodford County–Illinois/Indiana State Line project, which includes about 88 miles of new 765-kV lines plus a new 765/345-kV substation, with a MISO estimated cost of $718 million.
  • Both projects target in-service in 2034, pending regulatory reviews and stakeholder engagement.


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