MONTHLY POWER PRODUCTION SUMMARY FOR: JUN 2012 TOTAL GENERATION TOTAL STATION NET GENERATION POWER AUX NET GENERATION PROJECT IN MWH USE-MWH TO BPA-MWH USE---MWH REPORTED TO FERC DWORSHAK DAM 265683 513 265171 513 265171 ALBENI FALLS DAM ON 10292 134 10158 134 10158 BIG CLIFF DAM 6913 31 6882 31 6882 BONNEVILLE DAM & LAK 494955 2356 492599 1767 493188 COUGAR DAM 4707 10 4697 10 4697 DETROIT DAM 8127 188 7939 188 7939 DEXTER DAM & LAKE ON 8135 9 8126 9 8126 GREEN PETER DAM 8529 57 8472 57 8472 HILLS CREEK DAM & LA 595 41 554 41 554 JOHN DAY DAM & LAKE 1088826 1439 1087386 1007 1087818 LOOKOUT POINT DAM & 9477 119 9358 119 9358 MCNARY DAM & LAKE WA 497132 2881 494252 790 496342 THE DALLES DAM & LAK 773974 720 773254 533 773442 CHIEF JOSEPH DAM & E 1285837 771 1285066 771 1285066 ICE HARBOR DAM 151553 2172 149381 434 151118 LITTLE GOOSE DAM & L 278126 496 277629 298 277828 LOWER MONUMENTAL DAM 311189 473 310716 284 310905 LIBBY DAM & LAKE KOO 411294 496 410798 496 410798 LOST CREEK DAM 9153 301 8852 132 9021 LOWER GRANITE DAM & 287421 1320 286101 528 286893 FOSTER DAM 8312 44 8268 44 8268 GRAND COULEE DAM 3183493 1598 3181895 1598 3181895 HUNGRY HORSE DAM 185720 0 185720 0 185720 TOTAL 9289442 16169 9273274 9784 9279658