Renewable Energy Manufacturing Companies in Wisconsin

Wisconsin has approximately 8,500 manufacturing establishments and 470,000 manufacturing employees. Wisconsin is a manufacturing powerhouse, with Milwaukee as a major industrial center, extensive metal fabrication and food processing, and iconic manufacturers like Harley-Davidson and Oshkosh Corporation.

Wisconsin contributes to the national renewable energy manufacturing landscape. Renewable energy manufacturing includes companies that produce solar panels, wind turbine components, energy storage systems, inverters, and balance-of-system equipment. The Inflation Reduction Act has catalyzed a massive buildout of US renewable energy manufacturing, with dozens of new factories announced for solar cells, wind turbine blades, battery storage, and related components.

Solar Panel Manufacturers: Companies producing solar cells and modules, from silicon ingot processing to finished panel assembly.

Wind Turbine Component Makers: Manufacturers of blades, towers, nacelle components, gearboxes, and generators for onshore and offshore wind.

Battery Storage Manufacturers: Companies producing utility-scale and commercial battery energy storage systems and components.

Inverter & Power Electronics: Manufacturers of string, central, and microinverters plus power conversion equipment for renewable installations.

Mounting & Racking Systems: Companies producing steel and aluminum mounting structures for ground-mount and rooftop solar installations.

Major industrial centers in Wisconsin include Milwaukee, Madison, Green Bay, Racine, Oshkosh, and Appleton. These cities have concentrations of manufacturers across sectors including metal fabrication, food processing manufacturing, and agricultural equipment manufacturing.