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Ronald van der Leeden
Director
Regulatory Affairs
555 W. Fifth Street, GT14D6
Los Angeles, CA 90013-1011
Tel: 213.244.2009
Fax: 213.244.4957
RvanderLeeden@socalgas.com

June 25, 2020

Advice No. 5653
(U 904 G)
Public Utilities Commission of the State of California
Subject: Revision to Dispatchable Electric Generation definition in SoCalGas
Rule No. 01, Definitions
Southern California Gas Company (SoCalGas) hereby submits for approval by the
California Public Utilities Commission (Commission or CPUC) revisions to its Rule No.
01, Definitions, applicable throughout its service territory, as shown in Attachment A.
Purpose
SoCalGas proposes to revise the definition of Dispatchable Electric Generation in
SoCalGas’ Rule No. 01 for the purposes of applying Rule No. 23 Section C,
Curtailment of Service, to the wholesale customer load that operates in response to
dispatch orders from Rule No. 01 defined Electric Grid Operators and other electric
grid operators.
Background
SoCalGas’ Rule No. 23, Continuity of Service and Interruption of Delivery,1 outlines
the Commission’s curtailment requirements. Specifically, Section C.1, Effectuation of
Curtailment, authorizes SoCalGas to curtail service when, in the judgment of the
Utility, operating conditions require curtailment of service. Section C.1 describes a
seven-step process for interrupting service that includes curtailment of dispatchable
electric generation in Steps 1 and 2.
Recently, an existing SoCalGas international affiliate wholesale customer, ECOGAS
Mexico, S. de R.L. de C.V. (ECOGAS), located south of the United States Imperial

1

https://www2.socalgas.com/regulatory/tariffs/tm2/pdf/23.pdf





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Advice No. 5653 -2- June 25, 2020 Valley in Mexicali, Mexico, informed SoCalGas it was looking to add dispatchable electric generation customer(s). Discussion For the purposes of applying Rule No. 23, Dispatchable Electric Generation should include the portion of wholesale customer load that operates in response to dispatch orders from both Rule No. 01 defined Electric Grid Operators, and, other electric grid operators. In order to properly effectuate a curtailment per Rule No. 23, SoCalGas is requesting to add this to the definition of Dispatchable Electric Generation in its Rule No. 01. Absent this change, parity between customers may not be maintained when a Dispatchable Electric Generation customer, that is a customer of a wholesale customer of SoCalGas, is not curtailed until Step 3, which would be after dispatchable electric generation customers on the SoCalGas system that are curtailed under Steps 1 and 2, pursuant to Rule No. 23 Section C.1. Proposed Tariff Revisions SoCalGas has added to the Rule No. 01 definition of Dispatchable Electric Generation as follows: Dispatchable Electric Generation: Electric Generation customers who operate in response to dispatch orders from Electric Grid Operators. For the purposes of applying Rule No. 23 Section C, Curtailment of Service, Dispatchable Electric Generation also includes that portion of wholesale customer load that operates in response to dispatch orders from Rule No. 01 defined Electric Grid Operators and other electric grid operators. This submittal will not create any deviations from SoCalGas’ tariffs, cause withdrawal of service from any present customers, or impose additional restrictive conditions than those which currently exist. Further, in the event the tariff provision allows for discretion in its application, SoCalGas will apply the tariff provision in the same manner to its wholesale customers and other market participants and their respective customers. In the event the tariff provision has no discretion in the application of the tariff provision, SoCalGas will strictly enforce that tariff provision. Protest Anyone may protest this advice letter to the Commission. The protest must state the grounds upon which it is based, including such items as financial and service impact, and should be submitted expeditiously. The protest must be made in writing and must be received within 20 days of the date of this advice letter, which is July 15, 2020. The address for mailing or delivering a protest to the Commission is given below.
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Advice No. 5653 -3- June 25, 2020 CPUC Energy Division Attention: Tariff Unit 505 Van Ness Avenue San Francisco, CA 94102 A copy of the protest should also be sent via e-mail to the attention of the CPUC’s Energy Division Tariff Unit (EDTariffUnit@cpuc.ca.gov). Due to the COVID-19 pandemic and the shelter at home orders, SoCalGas is currently unable to receive protests or comments to this advice letter via U.S. mail or fax. Please submit protests or comments to this advice letter via email to the address shown below on the same date it is mailed or e-mailed to the Commission. Attn: Ray B. Ortiz Tariff Manager - GT14D6 555 West Fifth Street Los Angeles, CA 90013-1011 Facsimile No.: (213) 244-4957 E-mail: ROrtiz@Socalgas.com Effective Date SoCalGas believes that this advice letter is subject to Energy Division disposition and should be classified as Tier 2 (effective after staff approval) pursuant to General Order (GO) 96-B. SoCalGas requests the tariff sheets submitted herein be effective for service on and after July 25, 2020. Notice A copy of this advice letter is being sent to SoCalGas’ GO 96-B service list and the Commission’s service list for A.15-06-020, Temporary Daily Balancing Requirements. Address change requests to the GO 96-B service list should be directed by e-mail to tariffs@socalgas.com or call 213-244-2837. For changes to all other service lists, please contact the Commission’s Process Office at 415-703-2021 or by e-mail at Process_Office@cpuc.ca.gov. /s/ Ronald van der Leeden Ronald van der Leeden Director - Regulatory Affairs Attachments
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ADVICE LETTER SUMMARY ENERGY UTILITY MUST BE COMPLETED BY UTILITY (Attach additional pages as needed) Company name/CPUC Utility No.: Southern California Gas Company (U 904G) Utility type: ELC GAS PLC HEAT ELC = Electric PLC = Pipeline WATER Contact Person: Ray B. Ortiz Phone #: (213) 244-3837 E-mail: ROrtiz@socalgas.com E-mail Disposition Notice to: Tariffs@socalgas.com EXPLANATION OF UTILITY TYPE GAS = Gas WATER = Water HEAT = Heat (Date Submitted / Received Stamp by CPUC) Tier Designation: 2 Advice Letter (AL) #: 5653 Subject of AL: Revision to Dispatchable Electric Generation definition in SoCalGas Rule No. 01, Definitions Keywords (choose from CPUC listing): Rules; Tariffs AL Type: Monthly Quarterly Annual One-Time Other: If AL submitted in compliance with a Commission order, indicate relevant Decision/Resolution #: N/A Does AL replace a withdrawn or rejected AL? If so, identify the prior AL: No Summarize differences between the AL and the prior withdrawn or rejected AL: N/A Confidential treatment requested? Yes No If yes, specification of confidential information: Confidential information will be made available to appropriate parties who execute a nondisclosure agreement. Name and contact information to request nondisclosure agreement/ access to confidential information: Resolution required? Yes No Requested effective date: 7/25/20 No. of tariff sheets: 3 Estimated system annual revenue effect (%): N/A Estimated system average rate effect (%): N/A When rates are affected by AL, include attachment in AL showing average rate effects on customer classes (residential, small commercial, large C/I, agricultural, lighting). Tariff schedules affected: Rule No. 01, Definitions; and TOCs Service affected and changes proposed1: N/A Pending advice letters that revise the same tariff sheets: N/A 1 Discuss in AL if more space is needed. Clear Form
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Protests and all other correspondence regarding this AL are due no later than 20 days after the date of this submittal, unless otherwise authorized by the Commission, and shall be sent to: CPUC, Energy Division Attention: Tariff Unit 505 Van Ness Avenue San Francisco, CA 94102 Email: EDTariffUnit@cpuc.ca.gov Name: Ray B. Ortiz Title: Regulatory Tariff Manager Utility Name: Southern California Gas Company Address: 555 West Fifth Street, GT14D6 City: Los Angeles Zip: 90013-1011 State: California Telephone (xxx) xxx-xxxx: (213) 244-3837 Facsimile (xxx) xxx-xxxx: (213) 244-4957 Email: ROrtiz@socalgas.com Name: SoCalGas Tariffs Title: Utility Name: Southern California Gas Company Address: 555 West Fifth Street, GT14D6 City: Los Angeles State: California Zip: 90013-1011 Telephone (xxx) xxx-xxxx: (213) 244-2837 Facsimile (xxx) xxx-xxxx: (213) 244-4957 Email: Tariffs@socalgas.com Clear Form
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ATTACHMENT A Advice No. 5653 Cal. P.U.C. Sheet No. Title of Sheet Cancelling Cal. P.U.C. Sheet No. Revised 57749-G Rule No. 01, DEFINITIONS, Sheet 5 Revised 57229-G Revised 57750-G TABLE OF CONTENTS Revised 57632-G Revised 57751-G TABLE OF CONTENTS Revised 57738-G 1
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SOUTHERN CALIFORNIA GAS COMPANY LOS ANGELES, CALIFORNIA CANCELING Revised Revised CAL. P.U.C. SHEET NO. CAL. P.U.C. SHEET NO. 57749-G 57229-G Rule No. 01 DEFINITIONS Sheet 5 (Continued) Daily Usage for the Utility Gas Procurement Department: Estimated actual consumption using the historical and daily/hourly data available through use of the Advanced Metering Infrastructure Data Aggregation System. Day: Period commencing at 12:00 midnight (Pacific time) on any calendar day and ending at 12:00 midnight (Pacific time) on the next succeeding calendar day. DCQ: See Contract Quantity, Daily. Decatherm: Ten therms or 1,000,000 British thermal units (MMBtu). Direct Access (DA): Any end-use Utility customer electing to procure its natural gas, and any other CPUC-authorized energy services, directly from core transport agent (CTA). Direct Access Service Request (DASR): Request for enrollment, termination, or other change under the Core Aggregation Transportation (CAT) program. The DASR transaction outlined in Rule No. 32 was implemented pursuant to CPUC D.98-02-108. Dispatchable Electric Generation: Electric Generation customers who operate in response to dispatch orders from Electric Grid Operators. For the purposes of applying Rule No. 23 Section C, Curtailment of Service, Dispatchable Electric Generation also includes that portion of wholesale customer load that operates in response to dispatch orders from Rule No. 01 defined Electric Grid Operators and other electric grid operators. Displacement Receipt Point Capacity: Utility pipeline system improvements which increase the take-away capacity from a receipt point but do not increase the overall downstream capacity of the Utility’s backbone transmission system. The addition of Displacement Receipt Point Capacity increases the ability of the Utility to receive gas from a particular receipt point or zone in competition with other gas supplies delivered into the system. Electric Generation: Use of natural gas to generate electricity, either directly or indirectly, including natural gas used for cogeneration or solar electric generation projects. Electric Generation Startup and Igniter Fuel: Electric generation natural gas use where no alternate fuel capability exists for: (1) heating the boiler system adequately during start-up to enable efficient oil burning to meet pollution standards; and (2) insuring continuous-ignition and flame-stabilization within the boiler. Electric Grid Operators: California Independent System Operator (CAISO), Los Angeles Department of Water and Power (LADWP), Glendale Water and Power (GWP), Burbank Water and Power (BWP), and Imperial Irrigation District (IID). (Continued) (TO BE INSERTED BY UTILITY) ADVICE LETTER NO. DECISION NO. 5P11 5653 ISSUED BY (TO BE INSERTED BY CAL. PUC) Dan Skopec SUBMITTED Vice President Regulatory Affairs EFFECTIVE Jun 25, 2020 RESOLUTION NO. N | | N
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SOUTHERN CALIFORNIA GAS COMPANY LOS ANGELES, CALIFORNIA CANCELING Revised Revised CAL. P.U.C. SHEET NO. CAL. P.U.C. SHEET NO. 57750-G 57632-G TABLE OF CONTENTS RULES Rule Number 1 2 3 4 5 6 7 9 10 11 12 13 14 15 16 18 19 20 21 22 23 24 25 Title of Sheet Cal. P.U.C. Sheet No. Definitions ........................... 51164-G,57103-G,45820-G,53522-G,57749-G,53524-G 53525-G,53526-G,53341-G,53342-G,45823-G,45824-G 51168-G,47122-G,47123-G,56660-G,56661-G,47126-G Description of Service ....................................... 45832-G,45833-G,45834-G,45835-G 55768-G,55769-G,55770-G,55771-G,55772-G Application for Service .................................................... 35524-G,35525-G,35526-G Contracts .......................................................................................... 35529-G,43366-G Special Information Required on Forms ......................................... 55932-G,55933-G Establishment and Re-Establishment of Credit ................ 57614-G,57615-G,57616-G Deposits ........................................................................................................... 50535-G Discontinuance of Service .................. 57617-G,57618-G,57619-G,57620-G,57621-G 57622-G,57623-G,57624-G,57625-G,57626-G Service Charges .................................. 54738-G,38903-G,51000-G,49741-G,49742-G Disputed Bills .................................................................................. 55940-G,55941-G Rendering and Payment of Bills ........................ 57627-G,57628-G,57629-G,57630-G Meters and Equipment ..................................................................... 45841-G,45842-G Meter Reading ................................................................................. 56616-G,56617-G Meter Tests ...................................................................................................... 36872-G Adjustment of Bills .......................................................... 42615-G,46713-G,46714-G Notices ............................................................................................................. 38239-G Rates and Optional Rates ................................................................................ 40825-G Gas Main Extensions ........... 47441-G,31801-G,38506-G,56167-G,32375-G,47127-G 42766-G,31807-G,37767-G,47442-G,37769-G,56168-G,56169-G Gas Service Extensions ....... 47443-G,31814-G,31815-G,31816-G,31817-G,31818-G 31819-G,31820-G,38510-G,31822-G,31823-G,31824-G,31825-G Temporary Service .......................................................................... 43783-G,43784-G Continuity of Service and Interruption of Delivery ........................................................... 53343-G,53344-G,53345-G,53346-G 53347-G,53348-G,53349-G,53350-G Supply to Individual Premises and Resale of Gas ............ 39422-G,39925-G,39926-G Company's Right of Ingress to and Egress from the Consumer's Premises ............................................................................... 24655-G (Continued) (TO BE INSERTED BY UTILITY) ADVICE LETTER NO. DECISION NO. 1P4 5653 ISSUED BY (TO BE INSERTED BY CAL. PUC) Dan Skopec SUBMITTED Vice President Regulatory Affairs EFFECTIVE Jun 25, 2020 RESOLUTION NO. T
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SOUTHERN CALIFORNIA GAS COMPANY LOS ANGELES, CALIFORNIA CANCELING Revised Revised CAL. P.U.C. SHEET NO. CAL. P.U.C. SHEET NO. 57751-G 57738-G TABLE OF CONTENTS The following listed sheets contain all effective Schedules of Rates and Rules affecting service and information relating thereto in effect on the date indicated thereon. GENERAL Cal. P.U.C. Sheet No. Title Page ...................................................................................................................................... 40864-G Table of Contents--General and Preliminary Statement … 57751-G,57634-G,57514-G,57691-G,57474-G Table of Contents--Service Area Maps and Descriptions ............................................................ 56669-G Table of Contents--Rate Schedules ................................................................ 57672-G,57737-G,57687-G Table of Contents--List of Cities and Communities Served ......................................................... 55739-G Table of Contents--List of Contracts and Deviations ................................................................... 56669-G Table of Contents--Rules ............................................................................................... 57750-G,57593-G Table of Contents--Sample Forms .................... 57498-G,57205-G,51537-G,54745-G,57214-G,52292-G PRELIMINARY STATEMENT Part I General Service Information .................................. 45597-G,24332-G,54726-G,24334-G,48970-G Part II Summary of Rates and Charges ............ 57692-G,57693-G,57694-G,57347-G,57348-G,57735-G 57644-G,46431-G,46432-G,57076-G,57653-G,57654-G,57655-G,57353-G Part III Cost Allocation and Revenue Requirement ....................................... 57354-G,57355-G,57356-G Part IV Income Tax Component of Contributions and Advances ................................. 55717-G,24354-G Part V Balancing Accounts Description and Listing of Balancing Accounts .................................................... 52939-G,56825-G Purchased Gas Account (PGA) ............................................................................. 55465-G,55466-G Core Fixed Cost Account (CFCA) ......................................... 57357-G,57358-G,57359-G,56827-G Noncore Fixed Cost Account (NFCA) ................................................... 57360-G,55693-G,57361-G Enhanced Oil Recovery Account (EORA) ........................................................................... 49712-G Noncore Storage Balancing Account (NSBA) ...................................................... 57362-G,57363-G California Alternate Rates for Energy Account (CAREA) ................................... 45882-G,45883-G Hazardous Substance Cost Recovery Account (HSCRA) ..................... 40875-G, 40876-G,40877-G Gas Cost Rewards and Penalties Account (GCRPA) ........................................................... 40881-G Pension Balancing Account (PBA) ........................................................................ 56828-G,56829-G Post-Retirement Benefits Other Than Pensions Balancing Account (PBOPBA) .. 56830-G,56831-G Research Development and Demonstration Surcharge Account (RDDGSA)....................... 40888-G Demand Side Management Balancing Account (DSMBA) .................................... 45194-G,41153-G Direct Assistance Program Balancing Account (DAPBA) .................................... 52583-G,52584-G Integrated Transmission Balancing Account (ITBA) ........................................................... 49313-G (Continued) (TO BE INSERTED BY UTILITY) ADVICE LETTER NO. DECISION NO. 1P4 5653 ISSUED BY (TO BE INSERTED BY CAL. PUC) Dan Skopec SUBMITTED Vice President Regulatory Affairs EFFECTIVE Jun 25, 2020 RESOLUTION NO. T T
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