MONTHLY POWER PRODUCTION SUMMARY FOR: JUL 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 77954 580 77374 580 77374 ALBENI FALLS DAM ON 18612 161 18451 161 18451 BIG CLIFF DAM 3392 34 3358 34 3358 BONNEVILLE DAM & LAK 368621 1506 367115 1130 367492 COUGAR DAM 9238 51 9187 51 9187 DETROIT DAM 16600 205 16395 205 16395 DEXTER DAM & LAKE ON 2945 12 2933 12 2933 GREEN PETER DAM 8381 79 8302 79 8302 HILLS CREEK DAM & LA 6737 25 6712 25 6712 JOHN DAY DAM & LAKE 612220 1278 610942 895 611325 LOOKOUT POINT DAM & 14811 115 14696 115 14696 MCNARY DAM & LAKE WA 394160 3469 390691 850 393310 THE DALLES DAM & LAK 505106 1540 503566 1140 503966 CHIEF JOSEPH DAM & E 740381 878 739503 878 739503 ICE HARBOR DAM 85171 1814 83357 363 84808 LITTLE GOOSE DAM & L 104967 576 104391 346 104621 LOWER MONUMENTAL DAM 103585 645 102940 387 103198 LIBBY DAM & LAKE KOO 145752 504 145248 504 145248 LOST CREEK DAM 33214 161 33053 71 33143 LOWER GRANITE DAM & 105417 1361 104056 544 104873 FOSTER DAM 3810 56 3754 56 3754 GRAND COULEE DAM 1411290 6345 1404945 6345 1404945 HUNGRY HORSE DAM 31045 --- --- --- --- TOTAL 4803409 21395 4750969 14769 4757595