China has knocked the US from a shaky top place in global clean energy rankings as worldwide investment declined, according to Pew's Who's Winning the Clean Energy Race?
California's two largest investor-owned utilities added the most new solar power to their systems in 2012 in an annual ranking of electric utilities released today.
Global project constructor firm AMEC and Arizona Public Service (APS) Co have jointly completed a 17MW solar farm, the fifth project under the APS' AZ Sun solar programme.
Chinese manufacturer LDK Solar has technically defaulted on repayment of a loan after making only partial payment on a $23.7 million bond due 15 April.