MONTHLY POWER PRODUCTION SUMMARY FOR: DEC 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 48427 746 47681 746 47681 ALBENI FALLS DAM ON 18392 188 18204 188 18204 BIG CLIFF DAM 12388 91 12297 91 12297 BONNEVILLE DAM & LAK 454581 2534 452047 1900 452680 COUGAR DAM 15545 94 15451 94 15451 DETROIT DAM 52736 253 52483 253 52483 DEXTER DAM & LAKE ON 10390 12 10378 12 10378 GREEN PETER DAM 48158 74 48084 74 48084 HILLS CREEK DAM & LA 17690 85 17605 85 17605 JOHN DAY DAM & LAKE 728741 1754 726986 1228 727513 LOOKOUT POINT DAM & 34592 150 34442 150 34442 MCNARY DAM & LAKE WA 466398 3264 463134 850 465548 THE DALLES DAM & LAK 599492 744 598748 551 598941 CHIEF JOSEPH DAM & E 813252 1406 811846 1406 811846 ICE HARBOR DAM 140706 2030 138676 406 140300 LITTLE GOOSE DAM & L 132811 614 132197 369 132443 LOWER MONUMENTAL DAM 142802 657 142145 394 142408 LIBBY DAM & LAKE KOO 306264 666 305598 666 305598 LOST CREEK DAM 29223 319 28904 140 29083 LOWER GRANITE DAM & 138716 1424 137292 570 138146 FOSTER DAM 5910 30 5880 30 5880 GRAND COULEE DAM 1525630 3391 1522239 3391 1522239 HUNGRY HORSE DAM 34168 0 34168 0 34168 TOTAL 5777012 20526 5756485 13594 5763418