California Electric Balancing Authority Areas (Retired)

It matches generation with load and maintains consistent electric frequency of the grid, even during extreme weather conditions or natural disasters. The California Independent System Operator (CAISO) is the largest of about 38 balancing authorities in the western interconnection coordinating council (WECC), handling an estimated 35 percent of the electric load in the west.

CAISO manages 80 percent of the load in California and a small portion of Nevada. The main balancing authorities in California are: CAISO - California Independent System Operator BANC - Balancing Authority of Northern California LADWP - Los Angeles Department of Water & Power IID - Imperial Irrigation District TID - Turlock Irrigation District WALC - Western Area Power Administration, Lower Colorado PacifiCorp West NV Energy