MONTHLY POWER PRODUCTION SUMMARY FOR: JUN 1997 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 256524 504 256020 504 256020 ALBENI FALLS DAM ON 3054 128 2926 128 2926 BIG CLIFF DAM 7442 37 7405 37 7405 BONNEVILLE DAM & LAK 405413 2183 403230 1637 403776 COUGAR DAM 13957 67 13890 67 13890 DETROIT DAM 31350 185 31165 185 31165 DEXTER DAM & LAKE ON 4197 24 4173 24 4173 GREEN PETER DAM 6630 70 6560 70 6560 HILLS CREEK DAM & LA 7506 38 7468 38 7468 JOHN DAY DAM & LAKE 1500030 1669 1498361 1168 1498862 LOOKOUT POINT DAM & 27631 106 27525 106 27525 MCNARY DAM & LAKE WA 542294 2886 539408 790 541504 THE DALLES DAM & LAK 609532 1257 608275 930 608602 CHIEF JOSEPH DAM & E 1498910 864 1498046 864 1498046 ICE HARBOR DAM 301849 1796 300053 359 301490 LITTLE GOOSE DAM & L 505749 578 505171 347 505402 LOWER MONUMENTAL DAM 490284 451 489833 271 490013 LIBBY DAM & LAKE KOO 365096 577 364519 577 364519 LOST CREEK DAM 37646 271 37375 119 37527 LOWER GRANITE DAM & 508216 1290 506926 516 507700 FOSTER DAM 3078 96 2982 96 2982 GRAND COULEE DAM 3322769 6726 3316043 6726 3316043 HUNGRY HORSE DAM 148986 0 148986 0 148986 TOTAL 10598143 21803 10576340 15560 10582584