MONTHLY POWER PRODUCTION SUMMARY FOR: SEP 1991 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 298039 428 297611 428 297611 ALBENI FALLS DAM ON 23101 161 22940 161 22940 BIG CLIFF DAM 3030 32 2998 32 2998 BONNEVILLE DAM & LAK 364886 2243 362643 1682 363204 COUGAR DAM 14358 4 14354 4 14354 DETROIT DAM 15000 178 14822 178 14822 DEXTER DAM & LAKE ON 6926 0 6926 0 6926 GREEN PETER DAM 8816 90 8726 90 8726 HILLS CREEK DAM & LA 5551 0 5551 0 5551 JOHN DAY DAM & LAKE 637280 1268 636012 888 636392 LOOKOUT POINT DAM & 26822 90 26732 90 26732 MCNARY DAM & LAKE WA 399846 3130 396716 850 398996 THE DALLES DAM & LAK 494461 1363 493098 1009 493452 CHIEF JOSEPH DAM & E 726329 943 725386 943 725386 ICE HARBOR DAM 139748 2061 137687 412 139336 LITTLE GOOSE DAM & L 134476 505 133971 303 134173 LOWER MONUMENTAL DAM 144372 577 143795 346 144026 LIBBY DAM & LAKE KOO 229965 435 229530 435 229530 LOST CREEK DAM 22131 --- --- --- --- LOWER GRANITE DAM & 143903 1209 142694 484 143419 FOSTER DAM 3392 60 3332 60 3332 GRAND COULEE DAM 1392635 7060 1385575 7060 1385575 HUNGRY HORSE DAM 176746 --- --- --- --- TOTAL 5411813 21837 5191099 15454 5197482