MONTHLY POWER PRODUCTION SUMMARY FOR: SEP 1987
 
                    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              257761              444               257317             444            257317
ALBENI FALLS DAM ON        23316              153                23163             153             23163
BIG CLIFF DAM               6946               32                 6914              32              6914
BONNEVILLE DAM & LAK      343340             1405               341935            1054            342286
COUGAR DAM                 12935               44                12891              44             12891
DETROIT DAM                27450              194                27256             194             27256
DEXTER DAM & LAKE ON        5733               15                 5718              15              5718
GREEN PETER DAM             8783               90                 8693              90              8693
HILLS CREEK DAM & LA       18937               30                18907              30             18907
JOHN DAY DAM & LAKE       579910             1330               578580             931            578979
LOOKOUT POINT DAM &        18168               99                18069              99             18069
MCNARY DAM & LAKE WA      371606             3377               368229             850            370756
THE DALLES DAM & LAK      461827             1474               460353            1091            460736
CHIEF JOSEPH DAM & E      691981              755               691226             755            691226
ICE HARBOR DAM            118918             1663               117255             333            118585
LITTLE GOOSE DAM & L      120742              578               120164             347            120395
LOWER MONUMENTAL DAM      119280              608               118672             365            118915
LIBBY DAM & LAKE KOO      231266              519               230747             519            230747
LOST CREEK DAM             21249              131                21118              58             21191
LOWER GRANITE DAM &       120126             1327               118799             531            119595
FOSTER DAM                  5020               79                 4941              79              4941
GRAND COULEE DAM         1333503             5915              1327588            5915           1327588
HUNGRY HORSE DAM          231888              ---                  ---             ---               ---
 
 
TOTAL                    5130685            20262              4878535           13927           4884870