MONTHLY POWER PRODUCTION SUMMARY FOR: SEP 2008
 
                    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              141197              379               140819             379            140819
ALBENI FALLS DAM ON        21611              144                21467             144             21467
BIG CLIFF DAM               8926               29                 8897              29              8897
BONNEVILLE DAM & LAK      306556             1895               304661            1421            305135
COUGAR DAM                 14922               36                14886              36             14886
DETROIT DAM                15700              129                15571             129             15571
DEXTER DAM & LAKE ON        5134               10                 5124              10              5124
GREEN PETER DAM            20238                0                20238               0             20238
HILLS CREEK DAM & LA       16400               36                16364              36             16364
JOHN DAY DAM & LAKE       463670             1504               462166            1053            462617
LOOKOUT POINT DAM &        21474              106                21368             106             21368
MCNARY DAM & LAKE WA      323370             2160               321210             850            322520
THE DALLES DAM & LAK      362009             1206               360802             893            361116
CHIEF JOSEPH DAM & E      549439              831               548608             831            548608
ICE HARBOR DAM            109730             2148               107583             430            109301
LITTLE GOOSE DAM & L      110715              439               110276             264            110452
LOWER MONUMENTAL DAM      114387              510               113876             306            114080
LIBBY DAM & LAKE KOO      107489              473               107016             473            107016
LOST CREEK DAM             21550              133                21417              59             21491
LOWER GRANITE DAM &       118259             1302               116957             521            117738
FOSTER DAM                  5664               59                 5605              59              5605
GRAND COULEE DAM          994117             2588               991529            2588            991529
HUNGRY HORSE DAM           93743                0                93743               0             93743
 
 
TOTAL                    3946301            16118              3930183           10615           3935685