CALIFORNIA WATER SERVICE GROUP revenue for the last year amounted to 1.00 B EUR, the most of which — 519.92 M EUR — came from its highest performing source at the moment, Residential, the year earlier bringing 419.86 M EUR. The greatest contribution to the revenue figure was made by United States — last year it brought CALIFORNIA WATER SERVICE GROUP 1.00 B EUR, and the year before that — 719.94 M EUR.