MONTHLY POWER PRODUCTION SUMMARY FOR: DEC 2004 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 43096 221 42874 221 42874 ALBENI FALLS DAM ON 19351 215 19136 215 19136 BIG CLIFF DAM 10611 39 10572 39 10572 BONNEVILLE DAM & LAK 490646 2673 487973 2005 488641 COUGAR DAM 0 0 0 0 0 DETROIT DAM 36650 221 36429 221 36429 DEXTER DAM & LAKE ON 8878 29 8849 29 8849 GREEN PETER DAM 40033 101 39932 101 39932 HILLS CREEK DAM & LA 14587 99 14488 99 14488 JOHN DAY DAM & LAKE 844127 1464 842663 1025 843102 LOOKOUT POINT DAM & 31300 171 31129 171 31129 MCNARY DAM & LAKE WA 548012 1751 546261 850 547162 THE DALLES DAM & LAK 670079 1579 668500 1168 668911 CHIEF JOSEPH DAM & E 1041884 1422 1040462 1422 1040462 ICE HARBOR DAM 121472 2441 119031 488 120984 LITTLE GOOSE DAM & L 114598 675 113924 405 114194 LOWER MONUMENTAL DAM 123085 643 122442 386 122699 LIBBY DAM & LAKE KOO 349941 796 349145 796 349145 LOST CREEK DAM 22879 403 22476 177 22702 LOWER GRANITE DAM & 120070 1451 118619 580 119490 FOSTER DAM 13351 101 13250 101 13250 GRAND COULEE DAM 1988186 6304 1981882 6304 1981882 HUNGRY HORSE DAM 34145 0 34145 0 34145 TOTAL 6686982 22800 6664183 16804 6670178