All together, the Top 10 utilities reported adding more than 1,000 MW of solar electricity capacity in 2011. For the fourth straight year, Pacific Gas & Electric (PG&E, NYSE: PCG) led all utilities in the most new solar energy added to its grid with 288 MW. Public Service Electric & Gas Co. secured the No. 2 spot with 181 MW in 2011.
In addition, four East Coast utilities earned spots in the Top 10 for new solar energy added, indicating that solar power is spreading far beyond its original concentration in the southwestern part of the U.S.