Gridliance | Maribell Transmission

Introducing the MariBell Transmission Project

A strong electric grid is the backbone of strong communities. As energy demand in the Upper Midwest continues to rise, the MariBell Transmission Project is modernizing energy infrastructure to meet the evolving needs of homes, farms and local businesses.

Connect with the Team

The proposed MariBell Transmission Project is an approximately 140-mile, 765 kilovolt (kV)/161 kV double circuit transmission line developed by American-owned companies, Dairyland Power Cooperative and GridLiance Heartland. It will stretch from Marion, Minn., to Bell Center, Wis., crossing through Olmstead, Mower, Fillmore and Houston counties in Minnesota, and Vernon and Crawford counties in Wisconsin. This project is part of a larger effort by the Midcontinent Independent System Operator (MISO), the regional transmission organization covering 15 states and the Canadian province of Manitoba, to maintain a resilient and flexible electric grid.

This project is being developed in close consultation with landowners, Tribal Nations, local governments and conservationists. MariBell is expected to be in service by 2034.

Protecting Local Agriculture

Modernizing Our Grid

Safeguarding Natural Resources

Energy That Works for Your Community

The MariBell Transmission Project will utilize existing rights-of-way [wherever possible] to deliver much-needed upgrades to the Upper Midwest power grid. The Project will also be a new source of revenue for local communities and counties, money that can support schools, build roads and enhance essential services.

Leveraging existing locations to minimize impact

The proposed transmission line will use existing transmission corridors wherever possible to maximize efficiency and avoid impact to local farmland.

Modern demand meets modern technology

MariBell will reinforce the Upper Midwest grid in an era of unprecedented energy demand. The MariBell Transmission Project replaces outdated technology dating back as far as the 1950s with advanced, modern infrastructure.

Working directly with communities

The MariBell team will work closely with landowners, stakeholders and communities to protect farmland and natural resources while giving rural communities critical access to low-cost, reliable energy.

Supporting local schools and roads

MariBell will help fund roads, schools, parks, emergency response services and other essential infrastructure by generating a forecasted $530 million* in local and state tax revenue in Minnesota and Wisconsin over the life of the project.