http://www.seia.org/research-resources/top-10-solar-states statistics #3 spot nationally SEIA 100% of new electrical energy 4th #3 spot nationally leading investors in solar technologies ranked sixth top three solar solar installation solar installation second largest Top 10 Solar States reported US states with the most installed residential solar top ten all the others combined 4th second largest installed solar capacity third ranked sixth states that support solar power solar capacity installed. http://www.seia.org/research-resources/top-10-solar-states Solar Energy Industries Association compared to the rest of the United States best and worst states for solar energy reported leading the charge with solar Massachusetts and New Jersey solar Massachusetts installed 286 MW of its total 1,020 MW top 10 solar states by cumulative solar capacity installed. Solar Energy Industries Association number six