SoCalGas - Gas Suppliers: New or Expanded Interconnection Receipt Points for California Gas Producers
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Gas Suppliers: New or Expanded Interconnection Receipt Points for California Gas Producers

General Information

Thank you for your interest in possibly developing a new source of gas supply to sell to the marketplace via an interconnect with Southern California Gas Company’s (SoCalGas®) network of natural gas pipelines. Although the sources of gas can be quite diverse, the process to obtain an interconnection is similar. Due to the complexity of the SoCalGas’ network of pipelines, it is important that you contact us in the early stages of your project so we can assist you in making the most cost effective interconnection considering your needs and the existing infrastructure.

How To Begin

Please take a few moments to review the attached project fact (Download Word Document) sheet as this information will used to evaluate our ability to accept supplies from your project. If you already know the name of your SoCalGas account representative, please call him or her directly and/or email your completed project fact sheet.

If you do not know your account representative, email the project fact sheet to gasstudyrequests@semprautilities.com so SoCalGas can reply to your request.

You may also call Jerry McPherson at (213) 244-3972.

No matter the source of the natural gas, the California Public Utility Commission has approved a number of tariff rules that govern the requirements for all gas supplies entering our system, specifically, Tariff Rule 39 and Tariff Rule 30.

Rule No. 39

Rule No. 39, Access to the SoCalGas Pipeline System provides the terms of access and interconnection capacity studies. The general process for developing an interconnection with the SoCalGas system involves a three-step process.

  1. The first step begins with a written and funded supplier request for an Interconnection Capacity Study to determine the Utility’s downstream capability to takeway supplies from the interconnection point and the associated utility facility enhancement costs. The supplier’s request needs to identify where and when the new supply will be delivered to the Utility and the volume to be received.
  2. The second step is a written and funded request for Preliminary Engineering Study after the Interconnection Capacity Study is completed. In this step SoCalGas will include cost estimates for land acquisition, site development, right-of-way, metering, gas quality, permitting, regulatory, environmental, unusual construction costs, and operating and maintenance costs, which are not included in an Interconnection Capacity Study.
  3. The final step is a funded request for a Detailed Engineering Study, which would describe all costs of construction, develop complete engineering/construction drawings, and prepare all construction and environmental permit applications along with right-of-way acquisition requirements.

Any party seeking an interconnection is required to pay 100% of the costs for each study. An invoice for the estimated cost of each study will be issued and must be funded before that particular study can begin.

If you already have an Interconnection and are considering increasing receipt point capacity you have three funding options as outlined in Section B.7 of Rule 39.

Rule No. 30

Rule No. 30 provides the general terms and conditions applicable whenever the Utility transports customer-owned gas over its system. The supplier or interconnector is responsible for processing the gas as necessary to meet the Rule 30 specifications for pipeline quality gas so that it is then capable of being received into our gas transportation system for sale throughout Southern California.

SoCalGas also is providing the attached guidelines to demonstrate how biomethane suppliers can meet their obligation to provide merchantable gas under SoCalGas’ Rule 30. Biomethane deliveries from agriculture and/or animal wastes and, subject to California Public Utilities Commission approval to expand the SoCalGas’ biogas definition, other sources such as other renewable organic sources, meeting the guidelines will be accepted into the distribution and transmission systems of SoCalGas pursuant to SoCalGas Rule 39. Please note that landfill gas is currently not accepted or transported.

Rule 30 Biomethance Guidance (Download Adobe PDF)

Updated 1/2010

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