MONTHLY POWER PRODUCTION SUMMARY FOR: APR 1987 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 69148 3528 65620 3528 65620 ALBENI FALLS DAM ON 20147 165 19982 165 19982 BIG CLIFF DAM 3885 38 3847 38 3847 BONNEVILLE DAM & LAK 436189 2006 434183 1504 434684 COUGAR DAM 5153 72 5081 72 5081 DETROIT DAM 15700 206 15494 206 15494 DEXTER DAM & LAKE ON 1898 14 1884 14 1884 GREEN PETER DAM 4423 189 4234 189 4234 HILLS CREEK DAM & LA 557 13 544 13 544 JOHN DAY DAM & LAKE 786570 1446 785124 1012 785558 LOOKOUT POINT DAM & 11127 114 11013 114 11013 MCNARY DAM & LAKE WA 509465 3192 506273 760 508705 THE DALLES DAM & LAK 668201 1456 666745 1077 667124 CHIEF JOSEPH DAM & E 759799 908 758891 908 758891 ICE HARBOR DAM 197381 1897 195484 379 197002 LITTLE GOOSE DAM & L 218750 531 218219 319 218431 LOWER MONUMENTAL DAM 209126 460 208666 276 208850 LIBBY DAM & LAKE KOO 39190 505 38685 505 38685 LOST CREEK DAM 26848 214 26634 94 26754 LOWER GRANITE DAM & 214728 1311 213417 524 214204 FOSTER DAM 5274 93 5181 93 5181 GRAND COULEE DAM 1386635 6700 1379935 6700 1379935 HUNGRY HORSE DAM 5738 --- --- --- --- TOTAL 5595932 25058 5565136 18492 5571702