MONTHLY POWER PRODUCTION SUMMARY FOR: DEC 1990
 
                    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              334021              610               333411             610            333411
ALBENI FALLS DAM ON        12056              209                11847             209             11847
BIG CLIFF DAM              10695               65                10630              65             10630
BONNEVILLE DAM & LAK      582765             3221               579544            2416            580349
COUGAR DAM                 11745              105                11640             105             11640
DETROIT DAM                39284              251                39033             251             39033
DEXTER DAM & LAKE ON        8693               20                 8673              20              8673
GREEN PETER DAM            39468               91                39377              91             39377
HILLS CREEK DAM & LA       13751               80                13671              80             13671
JOHN DAY DAM & LAKE      1086460             1518              1084942            1063           1085397
LOOKOUT POINT DAM &        23985              227                23758             227             23758
MCNARY DAM & LAKE WA      713122             3231               709891             850            712272
THE DALLES DAM & LAK      867861             1798               866063            1331            866530
CHIEF JOSEPH DAM & E     1284091             1605              1282486            1605           1282486
ICE HARBOR DAM            170257             2299               167958             460            169797
LITTLE GOOSE DAM & L      165107              632               164475             379            164728
LOWER MONUMENTAL DAM      171396              757               170639             454            170942
LIBBY DAM & LAKE KOO      387986              802               387184             802            387184
LOST CREEK DAM             17648              449                17199             198             17450
LOWER GRANITE DAM &       168059             1282               166777             513            167546
FOSTER DAM                 13364              121                13243             121             13243
GRAND COULEE DAM         2468722            11553              2457169           11553           2457169
HUNGRY HORSE DAM           44257              ---                  ---             ---               ---
 
 
TOTAL                    8634793            30926              8559610           23401           8567135