MONTHLY POWER PRODUCTION SUMMARY FOR: JUL 2006
 
                    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              310697              221               310476             221            310476
ALBENI FALLS DAM ON        27301              205                27096             205             27096
BIG CLIFF DAM               1793               30                 1763              30              1763
BONNEVILLE DAM & LAK      280452             2144               278308            1608            278844
COUGAR DAM                 10369               56                10313              56             10313
DETROIT DAM                21450              157                21293             157             21293
DEXTER DAM & LAKE ON        1255                3                 1252               3              1252
GREEN PETER DAM             9817               53                 9764              53              9764
HILLS CREEK DAM & LA           0                0                    0               0                 0
JOHN DAY DAM & LAKE       702363             1676               700687            1173            701190
LOOKOUT POINT DAM &        17262              102                17160             102             17160
MCNARY DAM & LAKE WA      359527             2232               357295             850            358677
THE DALLES DAM & LAK      440638             1271               439367             941            439697
CHIEF JOSEPH DAM & E     1136214             1006              1135208            1006           1135208
ICE HARBOR DAM             83560             2248                81311             450             83110
LITTLE GOOSE DAM & L      143568              577               142991             346            143222
LOWER MONUMENTAL DAM      128200              514               127686             308            127891
LIBBY DAM & LAKE KOO      317100              620               316480             620            316480
LOST CREEK DAM             34207              146                34061              64             34143
LOWER GRANITE DAM &       125968             1430               124537             572            125395
FOSTER DAM                  4209               63                 4146              63              4146
GRAND COULEE DAM         2205779             2034              2203745            2034           2203745
HUNGRY HORSE DAM          107651                0               107651               0            107651
 
 
TOTAL                    6469378            16789              6452590           10863           6458516