MISO selects consortium of Ameren, GridLiance, Dairyland to deliver foundational energy grid project in Iowa
Key Highlights
- ➤$1.23 billion MISO-estimated cost for Iowa transmission project
- ➤Ameren, GridLiance each receive 42.5% ownership; Dairyland gets 15%
- ➤EASL project includes 187-mile 765-kV transmission line
- ➤765-kV scope expected in service June 1, 2034
- ➤345-kV scope expected in service June 1, 2032
Expert Statements
Shawn Schukar, Chairman and president of Ameren Transmission Company of Illinois
“MISO's selection reflects our commitment to delivering value for customers. We focused on developing a proposal that is reliable, economical and able to be built on time. Now, we are excited to deliver this project and see it benefit Midwest communities for decades to come.”
Matt Valle, President of NextEra Energy Transmission, LLC
“This win reflects the collective strength of our transmission experience and cost-competitive approach. We're proud to partner with Ameren and Dairyland to deliver critical infrastructure to affordably modernize the electric grid that powers Iowa's growing energy needs and economy.”
Brent Ridge, President and CEO of Dairyland Power Cooperative
“A strong transmission system is essential to delivering the reliable electricity our communities depend on today while preparing for the needs of tomorrow. This project will strengthen the regional grid, improve resiliency and create greater flexibility to accommodate future energy resources and economic growth.”
MISO selects consortium of Ameren, GridLiance, Dairyland to deliver foundational energy grid project in Iowa PR Newswire
ST. LOUIS and JUNO BEACH, Fla., Oct. 22, 2026 /PRNewswire/ -- The Midcontinent Independent System Operator (MISO) has selected a consortium of Ameren Transmission Company of Illinois (ATXI), a subsidiary of Ameren Corporation (NYSE: AEE); GridLiance Heartland, LLC, a subsidiary of NextEra Energy Transmission, LLC; and Dairyland Power Cooperative to develop, build, operate and maintain a major transmission project in Iowa. ATXI and GridLiance will lead the development of this project and own it jointly with Dairyland once it is placed in service.
Get started
Create a free account to read the full story.