MONTHLY POWER PRODUCTION SUMMARY FOR: JUL 1991
 
                    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              166241              396               165845             396            165845
ALBENI FALLS DAM ON        30040              173                29867             173             29867
BIG CLIFF DAM               3679               53                 3626              53              3626
BONNEVILLE DAM & LAK      403413             2469               400944            1852            401561
COUGAR DAM                  7986               44                 7942              44              7942
DETROIT DAM                18200              187                18013             187             18013
DEXTER DAM & LAKE ON        4591               24                 4567              24              4567
GREEN PETER DAM             9571               76                 9495              76              9495
HILLS CREEK DAM & LA        6282               35                 6247              35              6247
JOHN DAY DAM & LAKE       991360             1379               989981             965            990395
LOOKOUT POINT DAM &        20891              114                20777             114             20777
MCNARY DAM & LAKE WA      644720             3171               641549             850            643870
THE DALLES DAM & LAK      762796             1387               761409            1026            761770
CHIEF JOSEPH DAM & E     1211813              962              1210851             962           1210851
ICE HARBOR DAM            142443             2104               140339             421            142022
LITTLE GOOSE DAM & L      179060              533               178527             320            178740
LOWER MONUMENTAL DAM      127263              474               126789             284            126979
LIBBY DAM & LAKE KOO      320979              427               320552             427            320552
LOST CREEK DAM             32215              ---                  ---             ---               ---
LOWER GRANITE DAM &       190356             1212               189144             485            189871
FOSTER DAM                  3997               71                 3926              71              3926
GRAND COULEE DAM         2383612             7554              2376058            7554           2376058
HUNGRY HORSE DAM           75700              ---                  ---             ---               ---
 
 
TOTAL                    7737208            22845              7606448           16319           7612974