MONTHLY POWER PRODUCTION SUMMARY FOR: MAR 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 114447 316 114131 316 114131 ALBENI FALLS DAM ON 19322 208 19114 208 19114 BIG CLIFF DAM 4614 47 4567 47 4567 BONNEVILLE DAM & LAK 522622 2656 519966 1992 520630 COUGAR DAM 4546 59 4487 59 4487 DETROIT DAM 17450 219 17231 219 17231 DEXTER DAM & LAKE ON 3566 26 3540 26 3540 GREEN PETER DAM 756 68 688 68 688 HILLS CREEK DAM & LA 7707 76 7631 76 7631 JOHN DAY DAM & LAKE 883418 1733 881685 1213 882205 LOOKOUT POINT DAM & 15271 174 15097 174 15097 MCNARY DAM & LAKE WA 567255 744 566511 820 566435 THE DALLES DAM & LAK 704377 1519 702858 1124 703253 CHIEF JOSEPH DAM & E 814803 1365 813438 1365 813438 ICE HARBOR DAM 274739 2468 272272 494 274246 LITTLE GOOSE DAM & L 277444 693 276751 416 277028 LOWER MONUMENTAL DAM 291600 582 291018 349 291251 LIBBY DAM & LAKE KOO 126150 744 125406 744 125406 LOST CREEK DAM 19787 568 19219 250 19537 LOWER GRANITE DAM & 282868 1399 281469 560 282308 FOSTER DAM 3984 115 3869 115 3869 GRAND COULEE DAM 1382440 3261 1379179 3261 1379179 HUNGRY HORSE DAM 52438 0 52438 0 52438 TOTAL 6391604 19039 6372564 13895 6377709