MONTHLY POWER PRODUCTION SUMMARY FOR: DEC 2003 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 45384 3156 42228 3156 42228 ALBENI FALLS DAM ON 11727 211 11516 211 11516 BIG CLIFF DAM 12976 32 12944 32 12944 BONNEVILLE DAM & LAK 455008 2546 452462 1910 453098 COUGAR DAM 0 0 0 0 0 DETROIT DAM 53050 218 52832 218 52832 DEXTER DAM & LAKE ON 11246 24 11222 24 11222 GREEN PETER DAM 49052 94 48958 94 48958 HILLS CREEK DAM & LA 15380 65 15315 65 15315 JOHN DAY DAM & LAKE 767950 1549 766401 1084 766866 LOOKOUT POINT DAM & 13788 154 13634 154 13634 MCNARY DAM & LAKE WA 506669 2976 503693 850 505819 THE DALLES DAM & LAK 620526 1458 619068 1079 619447 CHIEF JOSEPH DAM & E 985796 1448 984348 1448 984348 ICE HARBOR DAM 98433 2480 95953 496 97937 LITTLE GOOSE DAM & L 91950 586 91364 352 91598 LOWER MONUMENTAL DAM 98612 578 98034 347 98265 LIBBY DAM & LAKE KOO 257579 854 256725 854 256725 LOST CREEK DAM 21719 428 21291 188 21531 LOWER GRANITE DAM & 94311 1444 92867 578 93733 FOSTER DAM 14435 114 14321 114 14321 GRAND COULEE DAM 1888275 12621 1875654 12621 1875654 HUNGRY HORSE DAM 53524 0 53524 0 53524 TOTAL 6167390 33036 6134354 25874 6141516