MONTHLY POWER PRODUCTION SUMMARY FOR: APR 1978
 
                    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               28954              429                28525             429             28525
ALBENI FALLS DAM ON        18797              149                18648             149             18648
BIG CLIFF DAM               2847               33                 2814              33              2814
BONNEVILLE DAM & LAK      380367             1341               379026            1006            379361
COUGAR DAM                  4863               57                 4806              57              4806
DETROIT DAM                11848              186                11662             186             11662
DEXTER DAM & LAKE ON           0                0                    0               0                 0
GREEN PETER DAM             4147              223                 3924             223              3924
HILLS CREEK DAM & LA        2398               34                 2364              34              2364
JOHN DAY DAM & LAKE      1243390             1412              1241978             988           1242402
LOOKOUT POINT DAM &        10093              122                 9971             122              9971
MCNARY DAM & LAKE WA      781090             2322               778768             760            780330
THE DALLES DAM & LAK      951317             1557               949760            1152            950165
CHIEF JOSEPH DAM & E     1029523              783              1028740             783           1028740
ICE HARBOR DAM            362788             1662               361126             332            362456
LITTLE GOOSE DAM & L      346119              616               345503             370            345749
LOWER MONUMENTAL DAM      326178              333               325845             200            325978
LIBBY DAM & LAKE KOO       33290              673                32617             673             32617
LOST CREEK DAM             24183              197                23986              87             24096
LOWER GRANITE DAM &       340091             1143               338948             457            339634
FOSTER DAM                  4152              137                 4015             137              4015
GRAND COULEE DAM         1800275             2556              1797719            2556           1797719
HUNGRY HORSE DAM            4506              ---                  ---             ---               ---
 
 
TOTAL                    7711216            15965              7690745           10734           7695976