OK, it's not an earth-shattering deal.
Out in California, utilities likes Southern California Edison and PG&E
While the federal regulatory environment for solar is far from ideal, Duke's decision to invest in solar is aided by North Carolina's renewable portfolio standard. A similar mechanism is what has driven California to be a leading light in the domestic solar power push, and is also the key reason why companies like First Solar
Duke, one of the largest power companies (and therefore one of the largest CO2 emitters), isn't sticking its head in the sand when it comes to climate change. The company is a member of the U.S. Climate Action Partnership (USCAP), along with greenies like The Nature Conservancy and industrial heavyweights like Alcoa