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MISO selects consortium of Ameren, GridLiance, Dairyland to deliver foundational energy grid project in Iowa

$AEEPress releaseOct 22, 2026, 4:30 PM ETRead the release

MISO selected a consortium of Ameren Transmission Company of Illinois, GridLiance Heartland (a NextEra subsidiary), and Dairyland Power Cooperative to develop the EASL transmission project in Iowa, with an estimated total cost of approximately $1.23 billion. ATXI will own 42.5% of the project, which includes a new 187-mile 765-kV line plus 345-kV lines, with in-service dates of June 2032 (345-kV) and June 2034 (765-kV).

Key figures

Deal Value Usd
1230000000
Line voltage
765-kV
Dairyland stake
15%
Gridliance stake
42.5%
Line length miles
187
In service date 345kv
June 1, 2032
In service date 765kv
June 1, 2034
Ameren ownership stake
42.5%

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