RMT furnishes renewable energy engineering and construction services. It focuses on providing siting, permitting, engineering, and construction services to the renewable energy infrastructure market. RMT puts a emphasis on facility siting and engineering for wind farms, solar arrays, and geothermal energy plants, and other green energy power generation facilities. A unit of Alliant Energy, RMT has a portfolio of 4,900 MW of renewable generating capacity. Between 2000 and 2010 the company provided construction, engineering, design, and development services for more than 3,800 MW of renewable energy across the US. To raise cash, in 2012 Alliant agreed to sell RMT to Infrastructure and Energy Alternatives, LLC.