MONTHLY POWER PRODUCTION SUMMARY FOR: JUN 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 201677 495 201182 495 201182 ALBENI FALLS DAM ON 20326 144 20182 144 20182 BIG CLIFF DAM 9505 30 9475 30 9475 BONNEVILLE DAM & LAK 483237 2324 480913 1743 481494 COUGAR DAM 5832 45 5787 45 5787 DETROIT DAM 25914 138 25776 138 25776 DEXTER DAM & LAKE ON 9091 10 9081 10 9081 GREEN PETER DAM 27863 68 27795 68 27795 HILLS CREEK DAM & LA 14846 44 14802 44 14802 JOHN DAY DAM & LAKE 1158241 1395 1156846 976 1157264 LOOKOUT POINT DAM & 53469 97 53372 97 53372 MCNARY DAM & LAKE WA 569207 3600 565607 790 568417 THE DALLES DAM & LAK 788713 721 787992 534 788179 CHIEF JOSEPH DAM & E 1092736 816 1091920 816 1091920 ICE HARBOR DAM 302361 1865 300496 373 301988 LITTLE GOOSE DAM & L 417003 461 416542 277 416726 LOWER MONUMENTAL DAM 456214 540 455674 324 455890 LIBBY DAM & LAKE KOO 340017 495 339522 495 339522 LOST CREEK DAM 36663 217 36446 95 36568 LOWER GRANITE DAM & 405830 1288 404543 515 405315 FOSTER DAM 5663 56 5607 56 5607 GRAND COULEE DAM 2222636 1464 2221172 1464 2221172 HUNGRY HORSE DAM 133538 0 133538 0 133538 TOTAL 8780582 16314 8764269 9530 8771053