The topic for this week was Solar Energy and reports on Solar Power International (SPI) 2011, the solar conference that took place in Dallas October 17 â 20. Guests on Shades of Green Radio were Jane Pulaski from the International Renewable Energy Council (IREC) Austin office and Michael Kuhn (Max Solar), CEO and founder, ImagineSolar, Thomas P. Kimbis, Vice President for Strategy and External Affairs, and General Counsel, at the Solar Energy Industries Association (SEIA) based in Washington D.C and our own veteran host, John Hoffner, Renewable Energy Manager, CH2M HILL who was a presenter at SPI.