MONTHLY POWER PRODUCTION SUMMARY FOR: APR 1997
 
                    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              229535              549               228986             549            228986
ALBENI FALLS DAM ON        12280              164                12116             164             12116
BIG CLIFF DAM               7908               44                 7864              44              7864
BONNEVILLE DAM & LAK      547651             2867               544784            2150            545501
COUGAR DAM                 11354               90                11264              90             11264
DETROIT DAM                31500              208                31292             208             31292
DEXTER DAM & LAKE ON        5592               25                 5567              25              5567
GREEN PETER DAM            13631               88                13543              88             13543
HILLS CREEK DAM & LA        9777               54                 9723              54              9723
JOHN DAY DAM & LAKE      1433310             1655              1431655            1158           1432152
LOOKOUT POINT DAM &        26527              164                26363             164             26363
MCNARY DAM & LAKE WA      572756             3420               569336             760            571996
THE DALLES DAM & LAK      813674             1274               812400             943            812731
CHIEF JOSEPH DAM & E     1255596             1058              1254538            1058           1254538
ICE HARBOR DAM            327951             1842               326109             368            327583
LITTLE GOOSE DAM & L      432439              567               431872             340            432099
LOWER MONUMENTAL DAM      475342              506               474836             304            475038
LIBBY DAM & LAKE KOO       99668              734                98934             734             98934
LOST CREEK DAM             30177              385                29792             169             30008
LOWER GRANITE DAM &       483249             1266               481983             506            482743
FOSTER DAM                  7830              125                 7705             125              7705
GRAND COULEE DAM         1966036             9230              1956806            9230           1956806
HUNGRY HORSE DAM           99552                0                99552               0             99552
 
 
TOTAL                    8893335            26315              8867020           19233           8874102