Cardinal – Briggs Road Line is a 345kV overhead line with a length of 289.68km from Cardinal, Wisconsin, US, to Briggs Road, Wisconsin, US.

Construction works on the Cardinal – Briggs Road Line started in 2016 and the project was commissioned in 2018.


The Cardinal – Briggs Road Line, which is an overhead line, is being operated by American Transmission. The Cardinal – Briggs Road Line is a new line. The line carries alternating current (AC) through double circuit cable.

Approximately $535m was financed by the authorities to undertake the construction works of the project.

Cardinal – Briggs Road Line project development status

in 2016 and the project works were completed in 2018.

About American Transmission

American Transmission Company LLC (ATC), a subsidiary of WEC Energy Group Inc is an electric transmission service provider that owns, operates and builds electric transmission lines. The company’s transmission system allows energy producers to transport electric power. It offers electric transmission service in an area from the Upper Peninsula of Michigan, throughout the eastern half of Wisconsin and into portions of Illinois. ATC’s projects include Quad County Electric Reliability Project, Spring Valley-North Lake Geneva Electric Reliability Project and Badger Coulee Transmission Line Project, among others. The company operates in Minnesota, Illinois, Wisconsin, and Michigan, the US.


All publicly-announced T&D Line & Substation projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects is sourced through secondary information sources such as country specific utility players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.