MONTHLY POWER PRODUCTION SUMMARY FOR: APR 1988
 
                    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               44854              773                44081             773             44081
ALBENI FALLS DAM ON        18785              164                18621             164             18621
BIG CLIFF DAM              10413               38                10375              38             10375
BONNEVILLE DAM & LAK      413509             1988               411521            1491            412018
COUGAR DAM                 15964               72                15892              72             15892
DETROIT DAM                45100              221                44879             221             44879
DEXTER DAM & LAKE ON        1479               15                 1464              15              1464
GREEN PETER DAM            25522              209                25313             209             25313
HILLS CREEK DAM & LA        6505               54                 6451              54              6451
JOHN DAY DAM & LAKE       727530             1531               725999            1072            726458
LOOKOUT POINT DAM &        11611              149                11462             149             11462
MCNARY DAM & LAKE WA      438930             3138               435792             760            438170
THE DALLES DAM & LAK      570146             1499               568647            1109            569037
CHIEF JOSEPH DAM & E      595593              992               594601             992            594601
ICE HARBOR DAM            208925             1914               207011             383            208542
LITTLE GOOSE DAM & L      223085              579               222506             347            222738
LOWER MONUMENTAL DAM      224042              746               223296             448            223594
LIBBY DAM & LAKE KOO       32074              554                31520             554             31520
LOST CREEK DAM             20221              191                20030              84             20137
LOWER GRANITE DAM &       223214             1355               221859             542            222672
FOSTER DAM                 10596              116                10480             116             10480
GRAND COULEE DAM         1000281             7665               992616            7665            992616
HUNGRY HORSE DAM           36874              ---                  ---             ---               ---
 
 
TOTAL                    4905253            23963              4844416           17258           4851121