entral 10,937 -23.r/o 57,397 57,397 682,785 2.5% AES, CPN, EIX, NRG, TXU Rocky Mountain 4,954 -7.5% 25,209 25,209 268,956 0.4% AES, EIX, DYN, NRG West Central 5,267 0.0% 31,243 31,243 335,548 -1.4% AES, EIX Pacific Southwest 5,196 -2.1% 26,261 26,261 290,006 0.1% AES, DYN, CPN, EI