Region 9 Natural Gas Utilities &ERA Region 9 GIS Center CALIFORNIA City of Palo Alto Utlities City of Vernon Gas System Long Beach Gas & Oil Pacific Gas & Electric CBGD CVGS CMGUS LBGO CSU PG&E SE Sierra 1 Colusa Sutte^. | ^ Placer PG&E 7 \ Yolo C*——k Napa'rSacrtihiL'iitft'~ ' ' 1 lAmador^ Eureka \ jo© k—f dar^qnCjty Douglas I SE / X " /T.. • fX i I Lyon Alpine n NEVADA Sempra Energy (SDGE) San Diego Gas & Electric Sempra Energy (SCG) Southern California Gas SWGAS Southwest Gas Corp. (Not shown) Tuscarora Gas Transmission NEVADA (Notshown) Kern River Gas Transmission San Francisco, CPAU ian Joaquin Stanislaus NVE Nye Nevada Energy (Not shown) paiute Pipeline SWGAS Southwest Gas Corp. ARIZONA City of Benson Gas Division City of Mesa Utility Services City of Safford Utilities CWNG City of Willcox Natural Gas DVEC | Duncan Valley Electric Coop (Not shown) El Paso Natural Gas GCU Graham County Utilities SWGAS Southwest Gas Corp. (Notshown)Transwestern Pipeline (Not shown) Questar Gas UESAZ UniSource Energy Services HAWAII HGC The Gas Company - Hawaii WST1001828.2 Sept. 23, 2010 Montere Kings CALIFORNIA Kern ¦¦ Inyo SWGAS Jegase A(R I Z O N A l Apache \ I SE (SCG) UESAZ Navajo Flagstaff San Bernardino SWGAS Kauai Oahu HAWAIIAN ISLANDS HGC Molokai LanaP S Maui 0 37.5 75 150 225 300 ^Miles \ Los Angeles LBGO ' ^ / ,— E (SDGE) San Diego Imperial Phoenix Maricopa SWGAS i i Greenlee^ CSU I Graham X San Diego \ Disclaimer: Please contact the relevant natural gas provider directly to determine the technical feasibility of injecting biogas into the natural gas pipeline. Gcur CWNG-* Tucson- I d Cochise \ uesaz CBGD DVEC ------- |