MONTHLY POWER PRODUCTION SUMMARY FOR: FEB 1991 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 76077 489 75588 489 75588 ALBENI FALLS DAM ON 13487 179 13308 179 13308 BIG CLIFF DAM 5484 61 5423 61 5423 BONNEVILLE DAM & LAK 535695 2809 532886 2107 533588 COUGAR DAM 4233 88 4145 88 4145 DETROIT DAM 17750 209 17541 209 17541 DEXTER DAM & LAKE ON 1949 18 1931 18 1931 GREEN PETER DAM 3132 89 3043 89 3043 HILLS CREEK DAM & LA 2830 60 2770 60 2770 JOHN DAY DAM & LAKE 950200 1643 948557 1150 949050 LOOKOUT POINT DAM & 8400 153 8247 153 8247 MCNARY DAM & LAKE WA 634643 684 633959 770 633873 THE DALLES DAM & LAK 773048 1535 771513 1136 771912 CHIEF JOSEPH DAM & E 1108075 1190 1106885 1190 1106885 ICE HARBOR DAM 154483 1757 152726 351 154132 LITTLE GOOSE DAM & L 144801 565 144236 339 144462 LOWER MONUMENTAL DAM 156582 635 155947 381 156201 LIBBY DAM & LAKE KOO 207908 623 207285 623 207285 LOST CREEK DAM 7881 --- --- --- --- LOWER GRANITE DAM & 146369 766 145603 306 146063 FOSTER DAM 5579 126 5453 126 5453 GRAND COULEE DAM 2142714 9484 2133230 9484 2133230 HUNGRY HORSE DAM 163434 --- --- --- --- TOTAL 7264754 23163 7070276 19310 7074130