MONTHLY POWER PRODUCTION SUMMARY FOR: SEP 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              132316              413               131903             413            131903
ALBENI FALLS DAM ON        22954              152                22802             152             22802
BIG CLIFF DAM               5734               30                 5704              30              5704
BONNEVILLE DAM & LAK      287659             1880               285779            1410            286249
COUGAR DAM                  9662               52                 9610              52              9610
DETROIT DAM                16905              166                16739             166             16739
DEXTER DAM & LAKE ON        4532               13                 4519              13              4519
GREEN PETER DAM                0                0                    0               0                 0
HILLS CREEK DAM & LA        8464               31                 8433              31              8433
JOHN DAY DAM & LAKE       438352             1508               436845            1055            437297
LOOKOUT POINT DAM &        15065               88                14977              88             14977
MCNARY DAM & LAKE WA      305108             2160               302948             850            304258
THE DALLES DAM & LAK      346294              720               345574             533            345761
CHIEF JOSEPH DAM & E      487881              848               487033             848            487033
ICE HARBOR DAM            112446             1713               110733             343            112104
LITTLE GOOSE DAM & L      110491              458               110033             275            110216
LOWER MONUMENTAL DAM      116255              487               115768             292            115963
LIBBY DAM & LAKE KOO      134546              431               134115             431            134115
LOST CREEK DAM             21476              134                21342              59             21417
LOWER GRANITE DAM &       119314             1297               118016             519            118795
FOSTER DAM                  5831               55                 5776              55              5776
GRAND COULEE DAM          892211             1406               890805            1406            890805
HUNGRY HORSE DAM           99186                0                99186               0             99186
 
 
TOTAL                    3692683            14042              3678641            9021           3683662