MONTHLY POWER PRODUCTION SUMMARY FOR: SEP 2009 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 131179 387 130793 387 130793 ALBENI FALLS DAM ON 18472 158 18314 158 18314 BIG CLIFF DAM 0 30 -30 30 -30 BONNEVILLE DAM & LAK 274803 2218 272585 1664 273140 COUGAR DAM 8843 49 8794 49 8794 DETROIT DAM 20466 1 20465 1 20465 DEXTER DAM & LAKE ON 7339 10 7329 10 7329 GREEN PETER DAM 12066 64 12002 64 12002 HILLS CREEK DAM & LA 11589 26 11563 26 11563 JOHN DAY DAM & LAKE 413253 1618 411635 1133 412120 LOOKOUT POINT DAM & 24950 96 24854 96 24854 MCNARY DAM & LAKE WA 291816 3248 288568 850 290966 THE DALLES DAM & LAK 317403 1100 316303 814 316589 CHIEF JOSEPH DAM & E 489096 839 488257 839 488257 ICE HARBOR DAM 107185 1857 105328 371 106813 LITTLE GOOSE DAM & L 108012 445 107568 267 107746 LOWER MONUMENTAL DAM 112628 538 112090 323 112305 LIBBY DAM & LAKE KOO 96535 408 96127 408 96127 LOST CREEK DAM 19756 122 19634 54 19702 LOWER GRANITE DAM & 117757 1327 116430 531 117226 FOSTER DAM 5710 54 5656 54 5656 GRAND COULEE DAM 891467 2288 889179 2288 889179 HUNGRY HORSE DAM 59883 0 59883 0 59883 TOTAL 3540209 16883 3523326 10416 3529794