MONTHLY POWER PRODUCTION SUMMARY FOR: AUG 2006 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 308694 222 308472 222 308472 ALBENI FALLS DAM ON 13074 210 12864 210 12864 BIG CLIFF DAM 3760 30 3730 30 3730 BONNEVILLE DAM & LAK 145297 2344 142953 1758 143539 COUGAR DAM 10354 57 10297 57 10297 DETROIT DAM 18150 158 17992 158 17992 DEXTER DAM & LAKE ON 3348 30 3318 30 3318 GREEN PETER DAM 10642 58 10584 58 10584 HILLS CREEK DAM & LA 14174 73 14101 73 14101 JOHN DAY DAM & LAKE 527607 1583 526024 1108 526499 LOOKOUT POINT DAM & 25328 99 25229 99 25229 MCNARY DAM & LAKE WA 270056 2232 267824 870 269186 THE DALLES DAM & LAK 329479 1269 328210 939 328540 CHIEF JOSEPH DAM & E 958674 992 957682 992 957682 ICE HARBOR DAM 50353 2208 48145 442 49912 LITTLE GOOSE DAM & L 93668 544 93124 326 93342 LOWER MONUMENTAL DAM 64498 547 63951 328 64170 LIBBY DAM & LAKE KOO 257226 620 256606 620 256606 LOST CREEK DAM 26268 145 26123 64 26204 LOWER GRANITE DAM & 56630 1425 55205 570 56060 FOSTER DAM 4108 63 4045 63 4045 GRAND COULEE DAM 1799622 2224 1797398 2224 1797398 HUNGRY HORSE DAM 70717 0 70717 0 70717 TOTAL 5061728 17133 5044594 11241 5050486