MONTHLY POWER PRODUCTION SUMMARY FOR: APR 1980 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 109035 784 108251 784 108251 ALBENI FALLS DAM ON 13401 181 13220 181 13220 BIG CLIFF DAM 6604 45 6559 45 6559 BONNEVILLE DAM & LAK 382319 1374 380945 1030 381288 COUGAR DAM 8750 55 8695 55 8695 DETROIT DAM 25420 195 25225 195 25225 DEXTER DAM & LAKE ON 2198 17 2181 17 2181 GREEN PETER DAM 15676 207 15469 207 15469 HILLS CREEK DAM & LA 7440 53 7387 53 7387 JOHN DAY DAM & LAKE 816635 1361 815274 953 815682 LOOKOUT POINT DAM & 11553 104 11449 104 11449 MCNARY DAM & LAKE WA 519116 3053 516063 760 518356 THE DALLES DAM & LAK 655038 1531 653507 1133 653905 CHIEF JOSEPH DAM & E 566777 1142 565635 1142 565635 ICE HARBOR DAM 275992 1073 274919 215 275777 LITTLE GOOSE DAM & L 288271 534 287737 320 287951 LOWER MONUMENTAL DAM 301237 444 300793 266 300971 LIBBY DAM & LAKE KOO 40060 366 39694 366 39694 LOST CREEK DAM 28053 230 27823 101 27952 LOWER GRANITE DAM & 299966 1305 298661 522 299444 FOSTER DAM 10084 131 9953 131 9953 GRAND COULEE DAM 989600 2947 986653 2947 986653 HUNGRY HORSE DAM 262 --- --- --- --- TOTAL 5373487 17132 5356093 11528 5361697