MONTHLY POWER PRODUCTION SUMMARY FOR: APR 1977
 
                    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               28772              437                28335             437             28335
ALBENI FALLS DAM ON         5839              145                 5694             145              5694
BIG CLIFF DAM                  0               43                  -43              43               -43
BONNEVILLE DAM & LAK      340037             1490               338547            1118            338920
COUGAR DAM                   715               51                  664              51               664
DETROIT DAM                 5056              197                 4859             197              4859
DEXTER DAM & LAKE ON           0                0                    0               0                 0
GREEN PETER DAM              618              200                  418             200               418
HILLS CREEK DAM & LA           0                0                    0               0                 0
JOHN DAY DAM & LAKE       566900             1043               565857             730            566170
LOOKOUT POINT DAM &         3710              116                 3594             116              3594
MCNARY DAM & LAKE WA      374527             1465               373062             760            373767
THE DALLES DAM & LAK      459093             1315               457778             973            458120
CHIEF JOSEPH DAM & E      551768              708               551060             708            551060
ICE HARBOR DAM            153138             1180               151958             236            152902
LITTLE GOOSE DAM & L      162217              357               161860             214            162003
LOWER MONUMENTAL DAM      158492              287               158205             172            158320
LIBBY DAM & LAKE KOO      107164              587               106577             587            106577
LOST CREEK DAM                 0                0                    0               0                 0
LOWER GRANITE DAM &       159452             1169               158283             468            158984
FOSTER DAM                  6236              125                 6111             125              6111
GRAND COULEE DAM          978411             2552               975859            2552            975859
HUNGRY HORSE DAM           60262              ---                  ---             ---               ---
 
 
TOTAL                    4122407            13467              4048678            9832           4052313