MONTHLY POWER PRODUCTION SUMMARY FOR: JUN 2011 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 233228 468 232760 468 232760 ALBENI FALLS DAM ON 0 121 -121 121 -121 BIG CLIFF DAM 8705 46 8659 46 8659 BONNEVILLE DAM & LAK 403605 2426 401179 1820 401786 COUGAR DAM 14258 53 14205 53 14205 DETROIT DAM 22355 183 22172 183 22172 DEXTER DAM & LAKE ON 10479 11 10468 11 10468 GREEN PETER DAM 16785 58 16727 58 16727 HILLS CREEK DAM & LA 5518 30 5488 30 5488 JOHN DAY DAM & LAKE 1361928 1592 1360335 1115 1360813 LOOKOUT POINT DAM & 19724 113 19611 113 19611 MCNARY DAM & LAKE WA 519642 2880 516762 790 518852 THE DALLES DAM & LAK 923456 720 922736 533 922924 CHIEF JOSEPH DAM & E 1036138 777 1035361 777 1035361 ICE HARBOR DAM 371450 1806 369644 361 371089 LITTLE GOOSE DAM & L 468585 467 468118 280 468305 LOWER MONUMENTAL DAM 555036 461 554575 277 554759 LIBBY DAM & LAKE KOO 296154 449 295705 449 295705 LOST CREEK DAM 27751 235 27516 103 27648 LOWER GRANITE DAM & 537211 1352 535859 541 536670 FOSTER DAM 7015 50 6965 50 6965 GRAND COULEE DAM 2511908 1402 2510506 1402 2510506 HUNGRY HORSE DAM 158267 0 158267 0 158267 TOTAL 9509198 15700 9493498 9580 9499617