MONTHLY POWER PRODUCTION SUMMARY FOR: APR 2001 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 42075 479 41596 479 41596 ALBENI FALLS DAM ON 12187 172 12015 172 12015 BIG CLIFF DAM 7757 41 7716 41 7716 BONNEVILLE DAM & LAK 379846 2788 377058 2091 377755 COUGAR DAM 8804 113 8691 113 8691 DETROIT DAM 26600 190 26410 190 26410 DEXTER DAM & LAKE ON 4369 28 4341 28 4341 GREEN PETER DAM 13162 165 12997 165 12997 HILLS CREEK DAM & LA 1703 35 1668 35 1668 JOHN DAY DAM & LAKE 604543 1531 603012 1072 603471 LOOKOUT POINT DAM & 16215 142 16073 142 16073 MCNARY DAM & LAKE WA 391494 2658 388836 760 390734 THE DALLES DAM & LAK 475413 1289 474124 954 474459 CHIEF JOSEPH DAM & E 566057 1035 565022 1035 565022 ICE HARBOR DAM 189017 2181 186836 436 188581 LITTLE GOOSE DAM & L 178734 644 178090 386 178348 LOWER MONUMENTAL DAM 192635 495 192140 297 192338 LIBBY DAM & LAKE KOO 55427 765 54662 765 54662 LOST CREEK DAM 8839 464 8375 204 8635 LOWER GRANITE DAM & 185490 1362 184128 545 184945 FOSTER DAM 9567 135 9432 135 9432 GRAND COULEE DAM 821625 4932 816693 4932 816693 HUNGRY HORSE DAM 42309 0 42309 0 42309 TOTAL 4233868 21644 4212224 14977 4218891