2014 was a banner year for the solar industry, headlined by the commissioning of the Topaz Solar Farm. At 550 MW, it's the world's largest photovoltaic power plant, and may represent the zenith of the contemporary US solar industry. The last two years have seen unprecedented growth in US solar capacity, but with the oncoming expiration of renewable energy tax credits from the American Recovery and Reinvestment Act of 2009, and the looming political...