MONTHLY POWER PRODUCTION SUMMARY FOR: JUN 2004
 
                    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              212524              135               212389             135            212389
ALBENI FALLS DAM ON        31756              167                31589             167             31589
BIG CLIFF DAM               8234               30                 8204              30              8204
BONNEVILLE DAM & LAK      446150             2398               443752            1798            444352
COUGAR DAM                     0                0                    0               0                 0
DETROIT DAM                29850              154                29696             154             29696
DEXTER DAM & LAKE ON        2373               20                 2353              20              2353
GREEN PETER DAM             5903               63                 5840              63              5840
HILLS CREEK DAM & LA        8564               46                 8518              46              8518
JOHN DAY DAM & LAKE       845942             1504               844438            1053            844889
LOOKOUT POINT DAM &        12942               93                12849              93             12849
MCNARY DAM & LAKE WA      567028             2880               564148             790            566238
THE DALLES DAM & LAK      537331             1051               536280             778            536553
CHIEF JOSEPH DAM & E     1093935              840              1093095             840           1093095
ICE HARBOR DAM            126520             2125               124395             425            126095
LITTLE GOOSE DAM & L      364893              600               364293             360            364533
LOWER MONUMENTAL DAM      373308              479               372829             287            373021
LIBBY DAM & LAKE KOO      246156              498               245658             498            245658
LOST CREEK DAM             36938              317                36621             139             36799
LOWER GRANITE DAM &       351712             1440               350272             576            351136
FOSTER DAM                  6008               59                 5949              59              5949
GRAND COULEE DAM         2159924             3079              2156845            3079           2156845
HUNGRY HORSE DAM          106287                0               106287               0            106287
 
 
TOTAL                    7574278            17978              7556300           11391           7562888