MONTHLY POWER PRODUCTION SUMMARY FOR: JUL 2010 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 303712 532 303180 532 303180 ALBENI FALLS DAM ON 29203 168 29035 168 29035 BIG CLIFF DAM 4564 42 4522 42 4522 BONNEVILLE DAM & LAK 264483 2250 262233 1688 262796 COUGAR DAM 4866 67 4799 67 4799 DETROIT DAM 9710 186 9524 186 9524 DEXTER DAM & LAKE ON 7968 12 7956 12 7956 GREEN PETER DAM 17976 70 17906 70 17906 HILLS CREEK DAM & LA 16394 45 16349 45 16349 JOHN DAY DAM & LAKE 676846 1456 675390 1019 675827 LOOKOUT POINT DAM & 27701 93 27608 93 27608 MCNARY DAM & LAKE WA 349932 3720 346212 850 349082 THE DALLES DAM & LAK 437646 747 436899 553 437093 CHIEF JOSEPH DAM & E 1050328 877 1049451 877 1049451 ICE HARBOR DAM 82876 1914 80962 383 82493 LITTLE GOOSE DAM & L 171319 439 170880 263 171056 LOWER MONUMENTAL DAM 148653 548 148105 329 148324 LIBBY DAM & LAKE KOO 144260 451 143809 451 143809 LOST CREEK DAM 37452 150 37302 66 37386 LOWER GRANITE DAM & 154636 1374 153262 549 154087 FOSTER DAM 2476 41 2435 41 2435 GRAND COULEE DAM 2003099 1728 2001371 1728 2001371 HUNGRY HORSE DAM 129786 0 129786 0 129786 TOTAL 6075887 16910 6058977 10012 6065875