Optimalreservoi roperationalplanningofproposed Dedess a Hydropowerdevelopment

Abstract

Thisstudyiscarriedoutusingth eHEC-ResSimmodelt osimulateth e operationofArjo-DedessaandBooreservoir sandestablishth ejoin t operationruleofsystemofreservoir sint oconsiderationwithoptimalreleas e discharget omaximizeth epowergenerationcapacity.Tenyears(1996 -2006)ofextendeddailyinflo wdischargetoArjo-reservoir(Da msite)along withDabanaandwamatributar ytransferre ddailydischargeatth e confluenceswereusedtosimulateth emodel.Tandemoperationruleof HEC-ResSimwasusedt osimulateth etw oreservoir sasasysteminwhich bothreservoir sarelocate donth esam estreamandth eruleisappliedon th eupstreamArjo-Dedessareservoi rtha tIsoperatedbasedonth ereservoi r waterleve lofth edownstream .Theoutputofth etande moperationresul tis anoperationrule,usedtooperateth ereservoir sjointl ywithth emaximum amountofdischargerelease dforpowergenerationandspecifiedreleas e dischargefo rirrigatio nrequiremen tfo rth eupstreamArjo-Dedessareservoi r withaminimumspilltoth edownstreamreservoir . HEC-ResSImIsalsousedtodetermineth eoptimalreleas eruleofth eArjoDedessamultipurposereservoi raswellasBooreservoi rt omaximizeth e powergenerationbasedonsuccessivetrials .Theanalysisconsidersth e monthlyreleas edischargefo rirrigatio nrequiremen tt oirrigat eanareaof 13665haandpowerreleas epatternofth eupstreamArjo-Dedessareservoi r basedonth eexistingconditions. Inth esimulationtrials ,th esimulationoperationwassuggeste dtha tth e hydropowerproductionhastobeconsideredwithth eutilizationofspecified monthlyamountofdischargerelease dforirrigatio nduringgrowingseason tomaximizeth esystemperformance.