California Advice Letters
The California Advice Letters are used to document tariff changes filed with and approved by the California Public Utilities Commission (CPUC)
California Climate Credit
The CA Climate Credit is part of California’s efforts to fight climate change by limiting the amount of greenhouse gases that our largest pollution sources emit into the atmosphere.
Building Decarbonization Annual Data
In accordance with Resolution E-5105 and Rulemaking 19-01-011, Southwest Gas Corporation, along with other energy utilities in California, is required to submit annual data on utility infrastructure, energy usage, and rates.
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A.22-03-014 – APPLICATION TO ESTABLISH THE MOVE2ZERO PROGRAM
The Move2Zero Program is a voluntary program that provides eligible California customers the opportunity to offset combustion related GHG emissions associated with their natural gas usage through the purchase and retirement of certified carbon offset credits.
Application 22-02-014 – Prepared Direct Testimony (Annibali)
Application 22-02-014 – Prepared Direct Testimony (Ontiveroz)
A.20-11-004 - Joint Utility Application For Preliminary Hydrogen Injection Standard
Application of Southern California Gas Company (U 904 G), San Diego Gas & Electric Company (U 902 G), Pacific Gas And Electric Company (U 39 G), and Southwest Gas Corporation (U 905 G) Regarding Hydrogen-Related Additions or Revisions To The Standard Renewable Gas Interconnection Tariff.
A.19-08-015 – Southwest Gas Corporation Test Year 2021 General Rate Case
On March 25, 2021, the California Public Utilities Commission (Commission) approved an all-party settlement agreement in Southwest Gas' general rate case application (A.19-08-015). The authorized rate adjustments will be effective April 1, 2021.
A.19-04-022 – Application For Authority to Implement the Customer Data Modernization Initiative
A.19-02-002 – Application For Authority to Revise the California Gas Tariff
Mobilehome Park Utility Conversion Program
Mobilehome park or manufactured housing community (MHP) owners in Southwest Gas Corporation’s (Southwest Gas) service territories may be eligible to participate in the Mobilehome Park Utility Conversion Program (MHP Program). Click the link below to learn more about the program.
Mobilehome Park Utility Conversion Program Annual Report
In accordance with CPUC Decision 20-04-004, Southwest Gas Corporation, along with other electric and natural gas utilities in California, is required to submit an annual report on its Mobilehome Park Utility Conversion Program. The 2021 Annual Report may be found at the following link:
Tribal Land Transfer Notifications
Natural Gas Leakage Abatement Annual Report
In accordance with Senate Bill 1371 (Leno, 2014) and CPUC Rulemaking 15-01-008, Southwest Gas Corporation, along with other natural gas utilities in California, is required to submit an annual report on its prior year methane emissions. The 2021 Annual Report may be found at the following link:
Renewable Natural Gas
In December 2019, the CPUC implemented an Incentive Reservation System for the Biomethane Injection Monetary Incentive Program (BIMIP) established in Decision 15-06-029. The BIMIP provides up to $3 million for non-dairy clusters and $5 million for dairy clusters that successfully interconnect with the natural gas pipeline system and operate by December 31, 2026. The Incentive Reservation System allows project developers to reserve incentive funds during the development phase of a project and receive the funds once the project is interconnected and operating. Applications for the Incentive Reservation System are designed to ensure that only viable projects can secure a spot on the reservation list.
Find more information on the Southwest Gas Biomethane Gas interconnection criteria and guidelines here:
For additional information, please contact
KeyAccountManagement@swgas.com
California Master-Meter Bill Calculation Tools
Rates were updated January 1, 2016, based on a California Public Utilities Commission Order. For a current bill calculation tool, please send a request using the following link: Request for more information >
Request Other Rates and Tariff Information
Use the link below to request historical Rates and Tariff information not available on this website. This form may also be used as a request to be placed on Southwest Gas' California Advice Letter Service List. Should you have any questions regarding your bill, please contact Customer Assistance at 877-860-6020.
Download the Entire California Gas Tariff
California Emergency Disaster Relief Program
The California Emergency Disaster Relief Program (EDRP) are customer protections mandated by the California Public Utilities Commission that are designed to help our California customers during a declared emergency.
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Other Regulatory Information
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Learn How Gas Rates Are Set
The rates used by Southwest Gas are set by state regulatory commissions using a process called the "rate case cycle." Because of individual state regulations, the rate case cycle differs slightly for each state. See how rates are set for your state.
Request Rates & Tariff Information
Use this form to request historical Rates and Tariff information not available on this website. This form may also be used as a request to be placed on Southwest Gas' California Advice Letter Service List. If you have any questions regarding your bill, please contact Customer Assistance at
877-860-6020.
Commission Websites
Check your state's Commission Office for more information about rates and regulations.
