Iowa Board Approves 525 kV Underground HVDC SOO Green Transmission Line Project

T&D World, Sept. 18, 2023

The Iowa Utilities Board (IUB) has issued an order approving a petition for a franchise to construct, maintain, and operate a new electric transmission line in Iowa by SOO Green HVDC Link Project Co, LLC (SOO Green). The petition referred to as the SOO Green transmission line project in Docket No. E-22436, proposes to build approximately 174 miles of 525 kV underground high voltage direct current (HVDC) electric transmission line in Allamakee, Cerro Gordo, Chickasaw, Clayton, Dubuque, Floyd, Jackson, and Winneshiek counties in Iowa, and continue into Illinois. Read more here.