MONTHLY POWER PRODUCTION SUMMARY FOR: AUG 2011 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 334424 519 333906 519 333906 ALBENI FALLS DAM ON 26408 157 26251 157 26251 BIG CLIFF DAM 2431 31 2400 31 2400 BONNEVILLE DAM & LAK 284155 2253 281902 1690 282465 COUGAR DAM 16154 59 16095 59 16095 DETROIT DAM 9637 172 9465 172 9465 DEXTER DAM & LAKE ON 6303 13 6290 13 6290 GREEN PETER DAM 10312 49 10263 49 10263 HILLS CREEK DAM & LA 13057 35 13022 35 13022 JOHN DAY DAM & LAKE 760609 1454 759155 1018 759591 LOOKOUT POINT DAM & 26753 103 26650 103 26650 MCNARY DAM & LAKE WA 362226 2976 359250 870 361356 THE DALLES DAM & LAK 469761 744 469017 551 469210 CHIEF JOSEPH DAM & E 1287684 809 1286875 809 1286875 ICE HARBOR DAM 49172 1906 47265 381 48790 LITTLE GOOSE DAM & L 139239 467 138773 280 138959 LOWER MONUMENTAL DAM 121677 420 121257 252 121425 LIBBY DAM & LAKE KOO 269758 396 269362 396 269362 LOST CREEK DAM 36633 149 36484 66 36567 LOWER GRANITE DAM & 60509 1206 59303 482 60026 FOSTER DAM 4328 39 4289 39 4289 GRAND COULEE DAM 2482283 1856 2480427 1856 2480427 HUNGRY HORSE DAM 88058 0 88058 0 88058 TOTAL 6861571 15813 6845758 9827 6851743