For decades, solar has been like the Rodney Dangerfield of renewable energy. Rarely has it received the respect it has deserved. But by all accounts, 2013 was a watershed year in that respect. In Q3 alone, 930 megawatts of PV were installed in the United States — and in the last two and a half years, total global PV capacity grew from 50 gigawatts to over 100. Sure, 2013 saw its share of failures and disappointments. But according to some of the best and brightest minds in the solar industry, the coming year may play itself out as the dividing line between past and future.

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