MONTHLY POWER PRODUCTION SUMMARY FOR: MAY 1988 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 97074 1142 95932 1142 95932 ALBENI FALLS DAM ON 26914 153 26761 153 26761 BIG CLIFF DAM 11288 35 11253 35 11253 BONNEVILLE DAM & LAK 449175 1703 447472 1277 447898 COUGAR DAM 18616 63 18553 63 18553 DETROIT DAM 47450 209 47241 209 47241 DEXTER DAM & LAKE ON 9060 16 9044 16 9044 GREEN PETER DAM 26401 216 26185 216 26185 HILLS CREEK DAM & LA 21362 45 21317 45 21317 JOHN DAY DAM & LAKE 1104110 1521 1102589 1065 1103045 LOOKOUT POINT DAM & 43552 122 43430 122 43430 MCNARY DAM & LAKE WA 664794 3477 661317 780 664014 THE DALLES DAM & LAK 832711 1549 831162 1146 831565 CHIEF JOSEPH DAM & E 876092 891 875201 891 875201 ICE HARBOR DAM 332941 2031 330910 406 332535 LITTLE GOOSE DAM & L 357463 582 356881 349 357114 LOWER MONUMENTAL DAM 312618 746 311872 448 312170 LIBBY DAM & LAKE KOO 38564 505 38059 505 38059 LOST CREEK DAM 30616 186 30430 82 30534 LOWER GRANITE DAM & 361786 1396 360390 558 361228 FOSTER DAM 11716 103 11613 103 11613 GRAND COULEE DAM 1597131 7331 1589800 7331 1589800 HUNGRY HORSE DAM 0 --- --- --- --- TOTAL 7271434 24022 7247412 16942 7254492