MONTHLY POWER PRODUCTION SUMMARY FOR: APR 1990 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 144054 1068 142986 1068 142986 ALBENI FALLS DAM ON 10716 163 10553 163 10553 BIG CLIFF DAM 9214 45 9169 45 9169 BONNEVILLE DAM & LAK 501503 1728 499775 1296 500207 COUGAR DAM 9612 64 9548 64 9548 DETROIT DAM 36048 203 35845 203 35845 DEXTER DAM & LAKE ON 3284 22 3262 22 3262 GREEN PETER DAM 15520 90 15430 90 15430 HILLS CREEK DAM & LA 9008 36 8972 36 8972 JOHN DAY DAM & LAKE 1122420 1478 1120942 1035 1121385 LOOKOUT POINT DAM & 21622 119 21503 119 21503 MCNARY DAM & LAKE WA 718556 2641 715915 760 717796 THE DALLES DAM & LAK 877949 1542 876407 1141 876808 CHIEF JOSEPH DAM & E 1107098 935 1106163 935 1106163 ICE HARBOR DAM 252830 1980 250850 396 252434 LITTLE GOOSE DAM & L 283691 532 283159 319 283372 LOWER MONUMENTAL DAM 247566 455 247111 273 247293 LIBBY DAM & LAKE KOO 69966 457 69509 457 69509 LOST CREEK DAM 27933 246 27687 108 27825 LOWER GRANITE DAM & 283343 1271 282072 508 282835 FOSTER DAM 7586 110 7476 110 7476 GRAND COULEE DAM 1963181 7556 1955625 7556 1955625 HUNGRY HORSE DAM 139106 --- --- --- --- TOTAL 7861806 22741 7699959 16705 7705995