MONTHLY POWER PRODUCTION SUMMARY FOR: DEC 2009 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 51106 673 50433 673 50433 ALBENI FALLS DAM ON 10518 167 10351 167 10351 BIG CLIFF DAM 0 56 -56 56 -56 BONNEVILLE DAM & LAK 455131 2456 452675 1842 453289 COUGAR DAM 10976 142 10834 142 10834 DETROIT DAM 29601 0 29601 0 29601 DEXTER DAM & LAKE ON 5352 9 5343 9 5343 GREEN PETER DAM 22432 71 22361 71 22361 HILLS CREEK DAM & LA 7775 72 7703 72 7703 JOHN DAY DAM & LAKE 702681 1585 701096 1110 701572 LOOKOUT POINT DAM & 15069 170 14899 170 14899 MCNARY DAM & LAKE WA 474560 3720 470840 850 473710 THE DALLES DAM & LAK 552404 1478 550926 1094 551310 CHIEF JOSEPH DAM & E 909854 1562 908292 1562 908292 ICE HARBOR DAM 104346 2246 102100 449 103897 LITTLE GOOSE DAM & L 96270 598 95672 359 95911 LOWER MONUMENTAL DAM 104486 648 103838 389 104097 LIBBY DAM & LAKE KOO 307443 933 306510 933 306510 LOST CREEK DAM 13345 552 12793 243 13102 LOWER GRANITE DAM & 102489 1464 101025 585 101904 FOSTER DAM 9237 130 9107 130 9107 GRAND COULEE DAM 1711556 2793 1708763 2793 1708763 HUNGRY HORSE DAM 67822 0 67822 0 67822 TOTAL 5764453 21525 5742928 13699 5750754