MONTHLY POWER PRODUCTION SUMMARY FOR: DEC 2007 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 41022 644 40378 644 40378 ALBENI FALLS DAM ON 18157 271 17886 271 17886 BIG CLIFF DAM 14321 53 14268 53 14268 BONNEVILLE DAM & LAK 444062 2771 441291 2078 441984 COUGAR DAM 15856 115 15741 115 15741 DETROIT DAM 0 191 -191 191 -191 DEXTER DAM & LAKE ON 9038 11 9027 11 9027 GREEN PETER DAM 48586 77 48509 77 48509 HILLS CREEK DAM & LA 16168 85 16083 85 16083 JOHN DAY DAM & LAKE 697574 1856 695718 1299 696275 LOOKOUT POINT DAM & 27585 158 27427 158 27427 MCNARY DAM & LAKE WA 457318 2232 455086 850 456468 THE DALLES DAM & LAK 568698 1434 567264 1061 567637 CHIEF JOSEPH DAM & E 813272 1471 811801 1471 811801 ICE HARBOR DAM 122359 2122 120237 424 121935 LITTLE GOOSE DAM & L 113795 609 113186 365 113430 LOWER MONUMENTAL DAM 120928 602 120326 361 120567 LIBBY DAM & LAKE KOO 255534 1015 254519 1015 254519 LOST CREEK DAM 21254 573 20681 252 21002 LOWER GRANITE DAM & 118374 1437 116937 575 117800 FOSTER DAM 6468 111 6357 111 6357 GRAND COULEE DAM 1563238 4146 1559092 4146 1559092 HUNGRY HORSE DAM 51881 0 51881 0 51881 TOTAL 5545489 21984 5523505 15614 5529874