MONTHLY POWER PRODUCTION SUMMARY FOR: DEC 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 136109 577 135532 577 135532 ALBENI FALLS DAM ON 13375 187 13188 187 13188 BIG CLIFF DAM 12185 55 12130 55 12130 BONNEVILLE DAM & LAK 438607 3213 435394 2410 436197 COUGAR DAM 13528 98 13430 98 13430 DETROIT DAM 54191 247 53944 247 53944 DEXTER DAM & LAKE ON 9905 29 9876 29 9876 GREEN PETER DAM 49905 102 49803 102 49803 HILLS CREEK DAM & LA 18236 62 18174 62 18174 JOHN DAY DAM & LAKE 728180 1565 726615 1096 727084 LOOKOUT POINT DAM & 42501 158 42343 158 42343 MCNARY DAM & LAKE WA 477302 3165 474137 850 476452 THE DALLES DAM & LAK 596671 1649 595022 1220 595451 CHIEF JOSEPH DAM & E 861187 1812 859375 1812 859375 ICE HARBOR DAM 129440 2118 127322 424 129016 LITTLE GOOSE DAM & L 123418 703 122715 422 122996 LOWER MONUMENTAL DAM 129684 563 129121 338 129346 LIBBY DAM & LAKE KOO 232177 756 231421 756 231421 LOST CREEK DAM 19329 --- --- --- --- LOWER GRANITE DAM & 125527 1245 124282 498 125029 FOSTER DAM 13744 156 13588 156 13588 GRAND COULEE DAM 1630628 10762 1619866 10762 1619866 HUNGRY HORSE DAM 142320 0 142320 0 142320 TOTAL 5998149 29222 5949598 22258 5956562