Stronger Connections with Grain Belt Express; Designing the Largest Transmission Line in U.S. History
December 2025Invenergy engineers Jillian Edwards, Aaron White, and David Gelder have penned a new article on Grain Belt Express (GBX) in the December issue of T&D World Magazine.
Published in the outlet’s annual American Society of Civil Engineers’ “Lines and Structures” supplement, the feature dives into the engineering behind America’s largest HVDC transmission line project, GBX (800-mile, 5 GW, 4 Grids), highlighting how innovative design solutions—including custom Optical Ground Wire cable development, coordinated lattice tower testing, and integration with modern converter station design—enabled the project to support emerging HVDC technologies while enhancing reliability and efficiency.
T&D World provides utility professionals with critical information related to the planning, design, construction, operations, maintenance and safety of transmission and distribution facilities, including automation and information technology. Each month the magazine reaches 40,000 subscribers and more than 74,000 electric utility professionals turn to the publication’s website for the latest in practical insights, technical guidance, workforce resources, and industry news.