Transource and BHE Transmission to Build Nearly 200-Mile 765-kV Transmission Line in Wisconsin

Core Insights - A joint venture between Transource Energy and BHE Transmission plans to construct a nearly 200-mile, 765-kV transmission line in Wisconsin, selected by MISO for its competitive transmission planning process [1][2]. Investment and Project Details - Midcontinent Grid Solutions, the joint venture, will invest $1.2 billion in this infrastructure project aimed at enhancing reliability and supporting growing energy demand within the MISO footprint [3]. - The project is part of MISO's strategy to efficiently deliver power to customers, with a target in-service date set for 2034 [4][7]. Technological and Environmental Considerations - The line will utilize Transource's innovative "Guyed-Y" design, which minimizes the required right-of-way and reduces environmental impacts [5]. - A single 765-kV line can transmit 600% more energy than a 345-kV line while using less than half the land area, showcasing the efficiency of high-voltage transmission systems [6]. Company Background - Transource Energy is a partnership between American Electric Power (AEP) and Evergy, with AEP holding an 86.5% stake and Evergy 13.5% [8]. - BHE Transmission operates a diverse energy portfolio and serves over 13 million customers across the U.S., Great Britain, and Alberta, Canada, emphasizing its commitment to reliable service [9].