MONTHLY POWER PRODUCTION SUMMARY FOR: MAY 1989
 
                    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              166466              611               165855             611            165855
ALBENI FALLS DAM ON        19116              157                18959             157             18959
BIG CLIFF DAM               9315               46                 9269              46              9269
BONNEVILLE DAM & LAK      474774             1985               472789            1489            473285
COUGAR DAM                 17494               62                17432              62             17432
DETROIT DAM                38600              223                38377             223             38377
DEXTER DAM & LAKE ON        7183               17                 7166              17              7166
GREEN PETER DAM            11595               89                11506              89             11506
HILLS CREEK DAM & LA       15619               29                15590              29             15590
JOHN DAY DAM & LAKE      1413910             1464              1412446            1025           1412885
LOOKOUT POINT DAM &        32414              115                32299             115             32299
MCNARY DAM & LAKE WA      797840             3266               794574             780            797060
THE DALLES DAM & LAK      991729             1593               990136            1179            990550
CHIEF JOSEPH DAM & E     1233089              874              1232215             874           1232215
ICE HARBOR DAM            352795             1871               350924             374            352421
LITTLE GOOSE DAM & L      433895              587               433308             352            433543
LOWER MONUMENTAL DAM      290254              504               289750             302            289952
LIBBY DAM & LAKE KOO       41074              411                40663             411             40663
LOST CREEK DAM             39633              183                39450              81             39552
LOWER GRANITE DAM &       431892             1362               430530             545            431347
FOSTER DAM                  4971              103                 4868             103              4868
GRAND COULEE DAM         2052807             7781              2045026            7781           2045026
HUNGRY HORSE DAM             398              ---                  ---             ---               ---
 
 
TOTAL                    8876863            23333              8853132           16644           8859821