MONTHLY POWER PRODUCTION SUMMARY FOR: MAR 1999 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 289887 656 289231 656 289231 ALBENI FALLS DAM ON 21299 201 21098 201 21098 BIG CLIFF DAM 8193 53 8140 53 8140 BONNEVILLE DAM & LAK 559778 2753 557025 2065 557713 COUGAR DAM 14358 93 14265 93 14265 DETROIT DAM 33450 191 33259 191 33259 DEXTER DAM & LAKE ON 6762 29 6733 29 6733 GREEN PETER DAM 17526 89 17437 89 17437 HILLS CREEK DAM & LA 14251 59 14192 59 14192 JOHN DAY DAM & LAKE 1360884 1660 1359224 1162 1359722 LOOKOUT POINT DAM & 28338 220 28118 220 28118 MCNARY DAM & LAKE WA 706302 3136 703166 820 705482 THE DALLES DAM & LAK 1034133 1523 1032610 1127 1033006 CHIEF JOSEPH DAM & E 1219840 1196 1218644 1196 1218644 ICE HARBOR DAM 376834 2194 374640 439 376395 LITTLE GOOSE DAM & L 413748 645 413103 387 413361 LOWER MONUMENTAL DAM 509747 569 509178 341 509406 LIBBY DAM & LAKE KOO 83831 869 82962 869 82962 LOST CREEK DAM 39221 577 38644 254 38967 LOWER GRANITE DAM & 458578 1330 457248 532 458046 FOSTER DAM 9956 145 9811 145 9811 GRAND COULEE DAM 2002238 9975 1992263 9975 1992263 HUNGRY HORSE DAM 162976 0 162976 0 162976 TOTAL 9372130 28163 9343967 20903 9351227