MONTHLY POWER PRODUCTION SUMMARY FOR: SEP 1989 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 322582 437 322145 437 322145 ALBENI FALLS DAM ON 27457 141 27316 141 27316 BIG CLIFF DAM 8348 40 8308 40 8308 BONNEVILLE DAM & LAK 335618 1602 334016 1202 334416 COUGAR DAM 18441 42 18399 42 18399 DETROIT DAM 33600 214 33386 214 33386 DEXTER DAM & LAKE ON 7893 20 7873 20 7873 GREEN PETER DAM 18076 83 17993 83 17993 HILLS CREEK DAM & LA 18611 32 18579 32 18579 JOHN DAY DAM & LAKE 575660 1228 574432 860 574800 LOOKOUT POINT DAM & 30065 96 29969 96 29969 MCNARY DAM & LAKE WA 359919 3133 356786 850 359069 THE DALLES DAM & LAK 451919 1485 450434 1099 450820 CHIEF JOSEPH DAM & E 597755 824 596931 824 596931 ICE HARBOR DAM 151871 1808 150063 362 151509 LITTLE GOOSE DAM & L 150229 583 149646 350 149879 LOWER MONUMENTAL DAM 150717 524 150193 314 150403 LIBBY DAM & LAKE KOO 150520 347 150173 347 150173 LOST CREEK DAM 20315 157 20158 69 20246 LOWER GRANITE DAM & 151740 1316 150424 526 151214 FOSTER DAM 6749 87 6662 87 6662 GRAND COULEE DAM 1134270 7151 1127119 7151 1127119 HUNGRY HORSE DAM 205272 --- --- --- --- TOTAL 4927627 21350 4701005 15145 4707210