The solar industry is poised for a rapid decline in costs that will make it a mainstream power option in the next few years, according to a new assessment by the Worldwatch Institute in Washington, D.C., and the Prometheus Institute in Cambridge, Massachusetts.

"To say that Chinese PV producers plan to expand production rapidly in the year ahead would be an understatement. They have raised billions from international IPOs to build capacity and increase scale with the goal of driving down costs. Four Chinese IPOs are expected to come to market this month alone." -- Travis Bradford, Prometheus Institute, president