MONTHLY POWER PRODUCTION SUMMARY FOR: MAY 1986
 
                    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              255591              434               255157             434            255157
ALBENI FALLS DAM ON        19783              152                19631             152             19631
BIG CLIFF DAM               7763               37                 7726              37              7726
BONNEVILLE DAM & LAK      386294             1789               384505            1342            384952
COUGAR DAM                 15125               72                15053              72             15053
DETROIT DAM                29550              207                29343             207             29343
DEXTER DAM & LAKE ON        6219               13                 6206              13              6206
GREEN PETER DAM            13700              224                13476             224             13476
HILLS CREEK DAM & LA       16160               45                16115              45             16115
JOHN DAY DAM & LAKE      1188350             1493              1186857            1045           1187305
LOOKOUT POINT DAM &        28705              118                28587             118             28587
MCNARY DAM & LAKE WA      786225             3137               783088             780            785445
THE DALLES DAM & LAK      814539             1382               813157            1023            813516
CHIEF JOSEPH DAM & E     1044339              849              1043490             849           1043490
ICE HARBOR DAM            318626             1612               317014             322            318304
LITTLE GOOSE DAM & L      534036              524               533512             314            533722
LOWER MONUMENTAL DAM      342049              463               341586             278            341771
LIBBY DAM & LAKE KOO       45124              463                44661             463             44661
LOST CREEK DAM             19913              187                19726              82             19831
LOWER GRANITE DAM &       537760             1329               536431             532            537228
FOSTER DAM                  9865              101                 9764             101              9764
GRAND COULEE DAM         1854382             7627              1846755            7627           1846755
HUNGRY HORSE DAM           70154              ---                  ---             ---               ---
 
 
TOTAL                    8344252            22258              8251840           16060           8258038