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SeattleCityLightEnvironmentReport201311moneyprotectlocalwaterwaysandreducetripsandcarbonemissionsCityLightbeganconstruconin2013ofanewdecantandcarbonltraonfacility.Onceinoperaonthesystemwillseparatestormwaterandmoisturefromsolidmaterial.Withoutthewaterthoseremainingsolidsaresignicantlylighterthereforeitwontcostasmuchtohaulthemawayandproperlydisposeofthem.Theliquidsstayatthefacilityandarepumpedthroughaseriesoflterstoremovecontaminants.OncelteredthewaterisdischargedtoKingCountyssanitarysewerforaddionaltreatment.ConservingEnergyResourcesEnergysavingsareaprimaryfocusforCityLightbecauseenergyeciencyistheleastcostleastrisklowestenvironmentalimpactmeansofensuringwecanmeetSealesgrowingneedsinasustainableway.For35yearsCityLighthashelpedourcustomersbecomemoreenergyecient.The2012goalwas14averageMegawasanincreaseof66percent.OverthelastfouryearsCityLighthassecuredmostofitsenergysavingsfromenergy-ecientlighng.SavingscomefromresidenalcommercialindustrialandstreetlighngcustomersandspanavarietyoftechnologiesfromcompactuorescentlampstoLEDs.SomeexamplesincludeTheulitysQuickLighngUpgradeIniavehelpedbusinesscustomersupgradetheirobsoleteT-12uorescentlighngtonewenergysavingT-8technology.Ineightmonthsbetween2008and2009theprogramretroedmorethan148500xturesforanenergysavingsofmorethan41millionkilowa-hours.Thatsenoughelectricitysavingstorunabout4800homesforanenreyear.Throughourretailpartnerstheulityhasoeredcustomersincenvesthatresultedinthepurchaseofmorethan4millioncompactuorescentlamps.Innovaondrivestheenergyconservaoneldandtheulityisexploringinnovaveincenvesandkeepingtrackoftechnologicaladvancestodelivercost-eecveenergysavingsforitscustomers.Commercialbuildingsslloersignicantenergysavingspotenalandtheulitymayneedtooernewprogramsandincenvestosecuresavingsfromthesebuildings.TechnologyischangingquicklyasiswitnessedbytherapidadoponofLEDlighngtechnology.WithinthelastfewyearsLEDlighngtechnologyhasbecomemoreaordableandavailable.SealeCityLightsconservaonprogramshaveseenthisenergy-ecientlighngtechnologygaintraconasamainstreamlighngoponacrossallmarketsectors.SupportingNewRenewableEnergyResourcesSealeCityLightdemonstratesitsconnuingcommitmenttocleanenergybybuildingonitshydroelectriclegacywiththeacquisionofnewrenewableresources.SinceJanuary2009CityLighthascontractedfor1.1millionMegawa-hoursofelectricityfromtheColumbiaRidgelandllgasplantandKingCountysWestPointcogeneraonplantalongwiththeassociatedenvironmentalaributescalledrenewableenergycreditsthrough2021.Theulityalsocontractedfor2.4millionrenewableenergycreditsfrom16windprojectsonegeothermalplantandonelandllgasprojectthrough2021.ThesepurchaseswillallowCityLighttoreliablyserveourcustomersneedforenergyandhelptheulitymeettherequirementsofI-937.Thevoter-approvedmeasurerequires15percentofCityLightsenergyporolioby2020tocomefromrenewableenergySeattleCityLightshouldbeapplaudedforitspreservationeffortsrecentlycompletedintheSkagitNationalRegisterHistoricDistrict.TherehabilitationworkontheGorgeInntheanchorbuildingalongoldMainStreetinNewhalemistop-notchandreectsanunderstandingofandcommitmenttopreservationbytheutility.LikewisethepreservationworkcompletedontheRossLodgeinDiabloisequallyimpressive.Theutilityisembracingstewardshipoftheiruniqueculturalresourcesinaboldandthoughtfulmanner.OurhatsareofftoSeattleCityLightGretchenLuxenbergCulturalResourcesSpecialistwiththeNationalParkService