CNN: Blake Jones’ business plan for his company, Namaste Solar Electric, was so unusual, he confounded a lot of business experts. Typical home solar systems cost about $12,000 up front, but supporters say they pay off in the long run. “We did have a lot of skeptical, raised eyebrows at the beginning,” Jones said of his company, which installs solar power systems in Colorado. “We even have had business schools bring teams of MBA students to come to do a case …