MONTHLY POWER PRODUCTION SUMMARY FOR: JUN 2005 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 155079 118 154961 118 154961 ALBENI FALLS DAM ON 27263 195 27068 195 27068 BIG CLIFF DAM 6508 28 6480 28 6480 BONNEVILLE DAM & LAK 285167 2186 282981 1640 283528 COUGAR DAM 9063 67 8996 67 8996 DETROIT DAM 25850 143 25707 143 25707 DEXTER DAM & LAKE ON 1916 29 1887 29 1887 GREEN PETER DAM 15896 202 15694 202 15694 HILLS CREEK DAM & LA 10868 53 10815 53 10815 JOHN DAY DAM & LAKE 757469 1460 756009 1022 756447 LOOKOUT POINT DAM & 17319 103 17216 103 17216 MCNARY DAM & LAKE WA 473604 2160 471444 790 472814 THE DALLES DAM & LAK 496521 1178 495343 872 495649 CHIEF JOSEPH DAM & E 1106008 859 1105149 859 1105149 ICE HARBOR DAM 112687 2134 110553 427 112261 LITTLE GOOSE DAM & L 230888 576 230311 346 230542 LOWER MONUMENTAL DAM 259454 587 258867 352 259102 LIBBY DAM & LAKE KOO 368667 579 368088 579 368088 LOST CREEK DAM 18543 278 18265 122 18421 LOWER GRANITE DAM & 241897 1380 240518 552 241345 FOSTER DAM 8750 70 8680 70 8680 GRAND COULEE DAM 2112720 3005 2109715 3005 2109715 HUNGRY HORSE DAM 166022 0 166022 0 166022 TOTAL 6908159 17390 6890769 11573 6896586