California utilities struggle to meet renewable-power requirement
Saturday, July 10, 2010 - 10:14
in Mathematics & Economics
The three large investor-owned utilities have less than six months to comply with a law requiring them to procure 20% of retail electricity sales from clean sources. California boasts some of the toughest standards in the nation for boosting the use of renewable power. Getting utilities to meet those mandates is proving to be even tougher.