California Rates and Regulation

California Rates and Regulation provides information on Southwest Gas Applications, Advice Letters and Tariffs, Compliance Reports and various Customer Programs.

California Advice Letters

The California Advice Letters are used to document tariff changes filed with and approved by the California Public Utilities Commission (CPUC)
 

Download the Entire California Gas Tariff

California Gas Tariff
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Statement of Rates
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Historical Statement of Rates
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Rate Schedules
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Rules
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Sample Forms
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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 . 
Request more information form

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 more information email
 
 

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.

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.

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

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.

Learn More About CA General Rate Case

Historical General Rate Case Filings
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A.23-10-015 - Joint Utility Application to Update Constituents of Concern in Standard Renewable Gas Interconnection Rule
Application of Pacific Gas and Electric Company (U 39 G), Southern California Gas Company (902 G), San Diego Gas & Electric Company (U 902 G), and Southwest Gas Corporation (U 905 G) to Update Constituents of Concern in Standard Renewable Gas Interconnection Rule.
 
 A.22-11-019 - Application for CPCN to Serve Fort Irwin - NTC

On November 18, 2022, Southwest Gas filed for a Certificate of Public Convenience and Necessity to Extend Its Service Area in Unincorporated Area of San Bernardino County, California to Provide Natural Gas Service to the National Training Center at Fort Irwin.
Application 22-11-019

A.22-09-006 - Amended Joint Utility Application for Hydrogen Blending Standard
Application of Southern California Gas Company (U 904 G), San Diego Gas & Electric Company (U 902 G), Southwest Gas Corporation (U 905 G), and Pacific Gas & Electric (U 39 G) to Establish Hydrogen Blending Demonstration Projects.
 
A.22-09-006 - Joint Utility Application for Hydrogen Blending Standard
Application of Southern California Gas Company (U 904 G), San Diego Gas & Electric Company (U 902 G) and Southwest Gas Corporation (U 905 G) to Establish Hydrogen Blending Demonstration Projects.

Application
Prepared Direct Testimony (Ch.1) – Policy (Mejia, Cervantes, Nelson)
Prepared Direct Testimony (Ch.2) – SoCalGas Technical (Woo)
Prepared Direct Testimony (Ch.2) – SoCalGas Technical (Woo) Workpaper
Prepared Direct Testimony (Ch.3) – SDG&E Technical (Davidson, Kabir)
Prepared Direct Testimony (Ch.3) – SDG&E Technical (Davidson, Kabir) Workpaper
Prepared Direct Testimony (Ch.4) – SWG Technical (Lang)
Prepared Direct Testimony (Ch.4) – SWG Technical (Lang) Workpaper
Prepared Direct Testimony (Ch.5) – SoCalGas Rates (Ahmed, Schmidt-Pines)
Prepared Direct Testimony (Ch.6) – SDG&E Rates (Dalton, Guidi, Schmidt-Pines)
Prepared Direct Testimony (Ch.7) – SWG Rates (Cunningham)
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

Application 22-02-014 – Prepared Direct Testimony (Annibali)

Application 22-02-014 – Prepared Direct Testimony (Ontiveroz)

A.19-04-022 - Application for Authority to Implement the Customer Data Modernization Initiative

Application 19-04-022

Application 19-04-022 – Prepared Direct Testimony (Pierce)

Application 19-04-022 – Prepared Direct Testimony (Cunningham)

A.19-02-002 - Application for Authority to Revise the California Gas Tariff

Application 19-02-002

Application 19-02-002 – Prepared Direct Testimony (Olenick)

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  

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.

Current

Southwest Gas 2022 Building Decarbonization Data

Historical

Southwest Gas 2021 Building Decarbonization Data

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 2022 Annual Report may be found at the following link:
 

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 2022 Annual Report may be found at the following link:
 

Tribal Land Transfer Notifications

Learn How Gas Rates Are Set

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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

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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    
 

Commission Websites

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Check your state’s Commission office for more information on utility regulation and consumer programs and services.