Return  Providers of Electric, Natural Gas, LP Gas, and Geothermal Heating Services PLEASE NOTE: Although cooperative utilities appear in the following lists, the PUCN has limited authority over cooperative utilities. The PUCN does not regulate the rates or service quality of these utilities and cannot assist consumers with complaints. For more information on filing a complaint against non-PUCN regulated companies, please see the "PUCN Regulated and Non-PUCN Regulated Companies & Service Providers" section on the "Be Informed" page. The following lists of electric, natural gas, LP gas, and geothermal energy providers are being supplied by the PUCN as a courtesy to the public. This information is updated frequently. However, the PUCN does not verify the accuracy or validity of this information. Members of the public are encouraged to seek verification from the PUCN by contacting the Financial Analysis Division at 775-684-6155. Natural Gas Company Name DBA Address Address 2 City State Zip Prospector Pipeline Company   2981 GOLD CANAL DR   RANCHO CORDOVA CA 95670- Sierra Pacific Power Company NV Energy 6100 NEIL RD S4A50 RENO NV 89511-1100 Southwest Gas Corporation   8360 S DURANGO DR   LAS VEGAS NV 89113-