Decision on Base Year 2009 Cost of Capital for the Three Large Multi-District Class a Water Utilities: California Water Service Company, California American Water, and Golden State Water Company (D0905019) (May 8, 2009)

For Application 08-05-002 (Filed May 1, 2008), Application 08-05-003 (Filed May 1, 2008), and Application 08-05-004 (Filed May 1, 2008)