MONTHLY POWER PRODUCTION SUMMARY FOR: SEP 1986 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 306124 406 305718 406 305718 ALBENI FALLS DAM ON 23353 134 23219 134 23219 BIG CLIFF DAM 7720 35 7685 35 7685 BONNEVILLE DAM & LAK 367661 1581 366080 1186 366475 COUGAR DAM 17950 41 17909 41 17909 DETROIT DAM 28650 207 28443 207 28443 DEXTER DAM & LAKE ON 9222 12 9210 12 9210 GREEN PETER DAM 14437 96 14341 96 14341 HILLS CREEK DAM & LA 21155 33 21122 33 21122 JOHN DAY DAM & LAKE 626180 1237 624943 866 625314 LOOKOUT POINT DAM & 36956 106 36850 106 36850 MCNARY DAM & LAKE WA 395629 4310 391319 850 394779 THE DALLES DAM & LAK 485543 1476 484067 1092 484451 CHIEF JOSEPH DAM & E 647544 814 646730 814 646730 ICE HARBOR DAM 181970 1793 180177 359 181611 LITTLE GOOSE DAM & L 180073 532 179541 319 179754 LOWER MONUMENTAL DAM 181384 425 180959 255 181129 LIBBY DAM & LAKE KOO 284421 459 283962 459 283962 LOST CREEK DAM 21843 161 21682 71 21772 LOWER GRANITE DAM & 184782 1305 183477 522 184260 FOSTER DAM 6814 64 6750 64 6750 GRAND COULEE DAM 1219882 7245 1212637 7245 1212637 HUNGRY HORSE DAM 153018 --- --- --- --- TOTAL 5402311 22472 5226821 15172 5234122