Nienke Solar is a full-service solar energy company based in Dubuque, IA serving throughout Iowa, Illinois, Wisconsin and Minnesota . Our team does everything you can think of when it comes to solar systems, including maintenance, monitoring and consulting work. Our mission, however, is to educate area residents about the benefits of clean solar energy. When there are storms in the forecast, it's natural to worry about the power going out. But power outages aren't a concern for Dubuque, IA property owners who've switched to solar energy.