MONTHLY POWER PRODUCTION SUMMARY FOR: MAY 1977 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 79414 379 79035 379 79035 ALBENI FALLS DAM ON 17101 126 16975 126 16975 BIG CLIFF DAM 2678 26 2652 26 2652 BONNEVILLE DAM & LAK 413341 1407 411934 1055 412286 COUGAR DAM 3071 53 3018 53 3018 DETROIT DAM 12425 205 12220 205 12220 DEXTER DAM & LAKE ON 414 59 355 59 355 GREEN PETER DAM 22259 224 22035 224 22035 HILLS CREEK DAM & LA 0 0 0 0 0 JOHN DAY DAM & LAKE 777510 1107 776403 775 776735 LOOKOUT POINT DAM & 5440 113 5327 113 5327 MCNARY DAM & LAKE WA 490638 2040 488598 780 489858 THE DALLES DAM & LAK 599255 1281 597974 948 598307 CHIEF JOSEPH DAM & E 731372 630 730742 630 730742 ICE HARBOR DAM 209533 1223 208310 245 209288 LITTLE GOOSE DAM & L 222831 433 222398 260 222571 LOWER MONUMENTAL DAM 215283 241 215042 145 215138 LIBBY DAM & LAKE KOO 64516 559 63957 559 63957 LOST CREEK DAM 0 0 0 0 0 LOWER GRANITE DAM & 216796 1242 215554 497 216299 FOSTER DAM 14093 128 13965 128 13965 GRAND COULEE DAM 1376974 2608 1374366 2608 1374366 HUNGRY HORSE DAM 482 --- --- --- --- TOTAL 5475426 14084 5460860 9814 5465130