MONTHLY POWER PRODUCTION SUMMARY FOR: MAY 1992 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 277604 444 277160 444 277160 ALBENI FALLS DAM ON 20821 168 20653 168 20653 BIG CLIFF DAM 4799 47 4752 47 4752 BONNEVILLE DAM & LAK 279308 2444 276864 1833 277475 COUGAR DAM 5402 50 5352 50 5352 DETROIT DAM 21700 185 21515 185 21515 DEXTER DAM & LAKE ON 959 74 885 74 885 GREEN PETER DAM 19145 86 19059 86 19059 HILLS CREEK DAM & LA 3131 30 3101 30 3101 JOHN DAY DAM & LAKE 1105900 1374 1104526 962 1104938 LOOKOUT POINT DAM & 13028 116 12912 116 12912 MCNARY DAM & LAKE WA 699726 3189 696537 780 698946 THE DALLES DAM & LAK 768674 1271 767403 941 767733 CHIEF JOSEPH DAM & E 1082670 996 1081674 996 1081674 ICE HARBOR DAM 179625 1932 177693 386 179239 LITTLE GOOSE DAM & L 311773 599 311174 359 311414 LOWER MONUMENTAL DAM 261128 442 260686 265 260863 LIBBY DAM & LAKE KOO 112888 384 112504 384 112504 LOST CREEK DAM 22805 197 22608 87 22718 LOWER GRANITE DAM & 327912 1222 326690 489 327423 FOSTER DAM 5197 113 5084 113 5084 GRAND COULEE DAM 1923338 8917 1914421 8917 1914421 HUNGRY HORSE DAM 12630 0 12630 0 12630 TOTAL 7460163 24280 7435883 17712 7442452