Via Greentech Media: The growth story in solar continues to be an exciting one. Earlier this year, the Solar Energy Industries Association (SEIA) announced that the U.S. had reached a milestone of 2 million solar systems installed, just three years after reaching the 1-million mark.While the story is interesting for solar of all sizes, we find it to be most exciting in the commercial sector. With autumn conference season in high gear, the team at Madison Energy Investments took time to reflect on what we are seeing in the commercial solar market.Link