Under the state’s Renewable Portfolio Standard (RPS), utilities must obtain 20% of their electricity from renewables. Flexible compliance rules give the utilities a grace period of up to three years before facing penalties for falling short of the target.

The California Public Utilities Commission (CPUC) estimates that the three IOUs – Pacific Gas & Electric (PG&E), Southern California Edison (SCE) and San Diego Gas & Electric (SDG&E) – will reach the 20% target, in aggregate, before the end of 2012.

  • SCE,