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1、ESL-IE-83-04-48COGENERATIONASSESSMENTMETHODOLOGYFORUTILITIESBarrySedlik,Dames&.Moore,Bethesd8-,MarylandABSTRACTnewcogenerationandsmallpowerproductionproject.Previously,theeconomicsofmanysuchprojectsweeAmethodologyispresentedthatenableselectricunfavorable.Butlegisl
2、atedtaxcreditsandincentive,utilitiestoassessthecogenerationpotentialamongsimplifiedregulatoryprocedures,andthepromisefindustrial,commercial,andinstitutionalcustomerswithin"avoidedcost,"premiumratesforthesaleofelectriciytheutility'sservicearea.Themethodologyinclude
3、sawereexpectedtopromotenewinterestinreexaminigsurveydesign,analyticassessmentmodel,andadatabaseprojectviabilityandidentifyingmanynewopportunitistotrackcustomersovertime.Acasestudyispresentedforcogenerationandsmallpowerproduction.describingthebackground,procedures,
4、andresultsofacogenerationinvestigationforNortheastUtilities.Therationaleforfosteringsuchdevelopmentwsbasedontwokeyfactors.First,fromatechnicIviewpoint,cogenerationismoreenergyefficientthnINTRODUCTIONthegenerationofelectricityfromlargecentralstatioil-firedgeneratin
5、gunits.AsFigure1indicates,aSincetheadventofthePublicUtilitiesRegulatorycogenerationsystemcanproduceasmuchas84percetPoliciesActof1978(PURPA),therehasbeenmuchusefulenergyoutput(electricityandthermalenery)speculationregardingthemagnitudeandextentofcomparedtoabout35pe
6、rcentincentralstatincogenerationfacilitieslikelytobedeveloped.Mostofelectricitygeneration.Ithasbeenestimatedthttheemphasistodateinassessingcogenerationpotentialcogeneration,ifdevelopedtoitsassumedpotential~.nhasconcentratedonevaluatingthetechnicalcapabilitythenati
7、on'sindustrialplants,wouldyieldaneneryandeconomicattractivenessofcogenerationdevelopmentsavingsforthecountryequivalenttoabout300,0aonanindustry-by-industrybasis.Electricutilitiesfacedbarrelsofoilperdayby1990.Promotersalsoreasondwiththepracticalproblemofadjustingge
8、nerationandthatsincethemajorityofthecapacitywouldecapacityexpansionplanstoaccountforcogenerationprovidedbyindustryandthirdpartydevelopers,utilit;rswithi
