MONTHLY POWER PRODUCTION SUMMARY FOR: JUN 2003 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 119907 425 119482 425 119482 ALBENI FALLS DAM ON 27058 168 26890 168 26890 BIG CLIFF DAM 5367 31 5336 31 5336 BONNEVILLE DAM & LAK 393206 2236 390970 1677 391529 COUGAR DAM 0 0 0 0 0 DETROIT DAM 23150 163 22987 163 22987 DEXTER DAM & LAKE ON 6853 34 6819 34 6819 GREEN PETER DAM 27112 70 27042 70 27042 HILLS CREEK DAM & LA 14731 39 14692 39 14692 JOHN DAY DAM & LAKE 960824 1619 959205 1133 959691 LOOKOUT POINT DAM & 29809 111 29698 111 29698 MCNARY DAM & LAKE WA 613787 2880 610907 790 612997 THE DALLES DAM & LAK 600040 1197 598843 886 599154 CHIEF JOSEPH DAM & E 1093218 866 1092352 866 1092352 ICE HARBOR DAM 200895 2131 198764 426 200469 LITTLE GOOSE DAM & L 359821 597 359224 358 359463 LOWER MONUMENTAL DAM 345676 460 345216 276 345400 LIBBY DAM & LAKE KOO 353882 549 353333 549 353333 LOST CREEK DAM 35434 157 35277 69 35365 LOWER GRANITE DAM & 355067 1330 353737 532 354535 FOSTER DAM 8986 61 8925 61 8925 GRAND COULEE DAM 2113468 9399 2104069 9399 2104069 HUNGRY HORSE DAM 59524 0 59524 0 59524 TOTAL 7747815 24523 7723292 18064 7729752