MONTHLY POWER PRODUCTION SUMMARY FOR: SEP 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 119263 402 118861 402 118861 ALBENI FALLS DAM ON 14207 154 14053 154 14053 BIG CLIFF DAM 7128 29 7099 29 7099 BONNEVILLE DAM & LAK 309740 1824 307916 1368 308372 COUGAR DAM 0 0 0 0 0 DETROIT DAM 29600 167 29433 167 29433 DEXTER DAM & LAKE ON 4499 22 4477 22 4477 GREEN PETER DAM 6275 73 6202 73 6202 HILLS CREEK DAM & LA 12128 33 12095 33 12095 JOHN DAY DAM & LAKE 477157 1503 475654 1052 476105 LOOKOUT POINT DAM & 14217 94 14123 94 14123 MCNARY DAM & LAKE WA 330068 2880 327188 850 329218 THE DALLES DAM & LAK 373138 1231 371907 911 372227 CHIEF JOSEPH DAM & E 603308 882 602426 882 602426 ICE HARBOR DAM 104338 2180 102158 436 103902 LITTLE GOOSE DAM & L 103834 584 103250 350 103484 LOWER MONUMENTAL DAM 106547 191 106356 115 106432 LIBBY DAM & LAKE KOO 131720 554 131166 554 131166 LOST CREEK DAM 18271 123 18148 54 18217 LOWER GRANITE DAM & 106815 1297 105518 519 106296 FOSTER DAM 2134 61 2073 61 2073 GRAND COULEE DAM 1114315 9271 1105044 9271 1105044 HUNGRY HORSE DAM 47236 0 47236 0 47236 TOTAL 4035938 23555 4012383 17397 4018541