MONTHLY POWER PRODUCTION SUMMARY FOR: APR 1981 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 149243 412 148831 412 148831 ALBENI FALLS DAM ON 21629 185 21444 185 21444 BIG CLIFF DAM 4842 56 4786 56 4786 BONNEVILLE DAM & LAK 409881 1173 408708 880 409001 COUGAR DAM 4618 50 4568 50 4568 DETROIT DAM 18700 211 18489 211 18489 DEXTER DAM & LAKE ON 2232 16 2216 16 2216 GREEN PETER DAM 22429 226 22203 226 22203 HILLS CREEK DAM & LA 4287 49 4238 49 4238 JOHN DAY DAM & LAKE 873601 1450 872151 1015 872586 LOOKOUT POINT DAM & 11978 112 11866 112 11866 MCNARY DAM & LAKE WA 544185 2313 541872 760 543425 THE DALLES DAM & LAK 699767 1567 698200 1160 698607 CHIEF JOSEPH DAM & E 837507 1086 836421 1086 836421 ICE HARBOR DAM 248362 1134 247228 227 248135 LITTLE GOOSE DAM & L 247430 472 246958 283 247147 LOWER MONUMENTAL DAM 265324 464 264860 278 265046 LIBBY DAM & LAKE KOO 36910 372 36538 372 36538 LOST CREEK DAM 16604 234 16370 103 16501 LOWER GRANITE DAM & 252444 1309 251135 524 251920 FOSTER DAM 11472 131 11341 131 11341 GRAND COULEE DAM 1457240 2932 1454308 2932 1454308 HUNGRY HORSE DAM 102128 --- --- --- --- TOTAL 6242813 15954 6124731 11067 6129618