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Joseph Mock
Business Manager
Regulatory Affairs
555 W. Fifth Street, GT14D6
Los Angeles, CA 90013-1011
Tel: 213.244.3718
Fax: 213.244.4957
JMock@socalgas.com

January 8, 2021

Advice No. 5753
(U 904 G)
Public Utilities Commission of the State of California
Subject: Quarterly Summary of Maintenance Related Curtailments – October 1,
2020 – December 31, 2020
Purpose
Southern California Gas Company (SoCalGas) hereby submits this Advice Letter (AL) to
notify the California Public Utilities Commission (Commission or CPUC) and affected
parties of curtailment events in its service territory.1
Background
SoCalGas Rule No. 23, Section J, provides the following:
The Utility shall submit an Advice Letter to the Commission’s Energy Division
within five business days from the conclusion of a non-maintenance-related
curtailment. The filing shall state the facts underlying and the reasons for the
curtailment, shall demonstrate that the type of curtailment being declared
complies with the Utility’s tariffs, and shall set forth efforts the Utility has
taken to minimize or alleviate the curtailment. The filing shall be served by
electronic mail or overnight mail on affected noncore customers and posted
by the Utility on its Electronic Bulletin Board. The Utility shall submit an
Advice Letter to the Commission’s Energy Division within five business days
from the end of each calendar quarter providing the same information for all
maintenance-related curtailments over the reporting period.
This AL submission is being made consistent with that requirement and covers all
maintenance-related curtailments that occurred during the period of October 1, 2020
through December 31, 2020. The following table summarizes the maintenance-related
curtailments that occurred over the reporting period. Each event is described in more
1

SoCalGas is submitting this AL pursuant to Decision (D.) 16-07-008.





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Advice No. 5753 -2- January 8, 2021 detail in the following sections. Attachment A includes a list of affected customers for each event. Curtailment Event Start Date October 10, 2020, 12:01 a.m. Curtailment Event End Date October 10, 2020, 9:00 p.m. Affected Area Playa del Rey October 21, 2020, 6:00 a.m. October 22, 2020, 2:00 p.m. McKittrick November 17, 2020, 4:00 a.m. November 19, 2020, 6:30 a.m. December 7, 2020, 12:00 a.m. December 11, 2020, 6:00 p.m. Stanton and Long Beach Pasadena October 10, 2020 Curtailment Event Information (Playa del Rey) A. Facts Underlying and Reasons for the Curtailment SoCalGas initiated a localized curtailment of service in the city of Playa del Rey at 12:01 a.m. on October 10, 2020. The localized curtailment of service ended at 9:00 p.m. on October 10, 2020. SoCalGas implemented this localized curtailment in order to perform maintenance work. There were no directly affected customers in the city of Playa del Rey. B. Compliance with SoCalGas’ Tariffs This curtailment was instituted in accordance with Section E.2 of Rule No. 30, Interruption of Service, and Section C.1 of Rule No. 23, Effectuation of Curtailment. Accordingly, each affected noncore customer was provided a maximum usage during the curtailment event. C. Efforts by SoCalGas to Notify Affected Customers SoCalGas notified the affected customers of the curtailment of service through their Account Manager and via the ENVOY® electronic bulletin board (ENVOY®). Notices were posted on ENVOY® on August 21, 2020, September 30, 2020, and October 11, 2020. October 21, 2020 – October 22, 2020 Curtailment Event Information (McKittrick) A. Facts Underlying and Reasons for the Curtailment SoCalGas initiated a localized curtailment of service in the city of McKittrick at 6:00 a.m. on October 21, 2020. The localized curtailment of service ended at 2:00 p.m. on October 22, 2020. SoCalGas implemented this localized curtailment in order to perform maintenance work. The affected customers were located in the city of McKittrick. A list of the affected customers is provided in Attachment A.
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Advice No. 5753 B. -3- January 8, 2021 Compliance with SoCalGas’ Tariffs This curtailment was instituted in accordance with Section E.2 of Rule No. 30, Interruption of Service, and Section C.1 of Rule No. 23, Effectuation of Curtailment. Accordingly, each affected noncore customer was provided a maximum usage during the curtailment event. C. Efforts by SoCalGas to Notify Affected Customers SoCalGas notified the affected customers of the curtailment of service through their Account Manager and via the ENVOY®. Notices were posted on ENVOY® on October 6, 2020, October 13, 2020, and October 22, 2020.2 November 17, 2020 – November 19, 2020 Curtailment Event Information (Stanton and Long Beach) A. Facts Underlying and Reasons for the Curtailment SoCalGas initiated a localized curtailment of service in the cities of Stanton and Long Beach at 4:00 a.m. on November 17, 2020. The localized curtailment of service ended at 6:30 a.m. on November 19, 2020. SoCalGas implemented this localized curtailment in order to perform maintenance work. The affected customers were located in the cities of Stanton and Long Beach. A list of the affected customers is provided in Attachment A. B. Compliance with SoCalGas’ Tariffs This curtailment was instituted in accordance with Section E.2 of Rule No. 30, Interruption of Service, and Section C.1 of Rule No. 23, Effectuation of Curtailment. Accordingly, each affected noncore customer was provided a maximum usage during the curtailment event. C. Efforts by SoCalGas to Notify Affected Customers SoCalGas notified the affected customers of the curtailment of service through their Account Manager and via the ENVOY®. Notices were posted on ENVOY® on November 3, 2020 and November 19, 2020.3 December 7, 2020 – December 11, 2020 Curtailment Event Information (Pasadena) A. Facts Underlying and Reasons for the Curtailment SoCalGas initiated a localized curtailment of service in the city of Pasadena at 12:00 a.m. on December 7, 2020. The localized curtailment of service ended at 6:00 p.m. on 2https://scgenvoy.sempra.com/#nav=/Public/ViewExternalEbb.getMessageLedger%3FfolderId%3D 1%26rand%3D80 3https://scgenvoy.sempra.com/#nav=/Public/ViewExternalEbb.getMessageLedger%3FfolderId%3D 1%26rand%3D80
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Advice No. 5753 -4- January 8, 2021 December 11, 2020. SoCalGas implemented this localized curtailment in order to perform maintenance work. The affected customers were located in the city of Pasadena. A list of the affected customers is provided in Attachment A. B. Compliance with SoCalGas’ Tariffs This curtailment was instituted in accordance with Section E.2 of Rule No. 30, Interruption of Service, and Section C.1 of Rule No. 23, Effectuation of Curtailment. Accordingly, each affected noncore customer was provided a maximum usage during the curtailment event. C. Efforts by SoCalGas to Notify Affected Customers SoCalGas notified the affected customers of the curtailment of service through their Account Manager and via the ENVOY®. Notices were posted on ENVOY® on December 7, 2020 and December 11, 2020.4 Confidentiality Due to the confidential nature of the information in Attachment A, a declaration requesting confidential treatment is included. The List of the Affected Customers in Attachment A is only being provided to Energy Division under the confidentiality provisions of General Order (GO) 66-D, Section 583 of the Public Utilities Code, and D.17-09-023. Protest Anyone may protest this AL 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 received within 20 days of the date of this AL, which January 28, 2021. The address for mailing or delivering a protest to the Commission is: CPUC Energy Division Attention: Tariff Unit 505 Van Ness Avenue San Francisco, CA 94102 Copies of the protest should also be sent via e-mail to the attention of the 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 AL via U.S. mail or fax. Please submit protests or comments to this AL via e-mail to the address shown below on the same date it is mailed or e-mailed to the Commission. 4https://scgenvoy.sempra.com/#nav=/Public/ViewExternalEbb.getMessageLedger%3FfolderId%3D 1%26rand%3D80
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Advice No. 5753 -5- January 8, 2021 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 this AL is subject to Energy Division disposition and should be classified as Tier 1 (effective pending disposition) pursuant to GO 96-B. It is in compliance with D.16-07-008. Therefore, SoCalGas respectfully requests that it be made effective for service on January 8, 2021, which is the date submitted. Notice A copy of this AL is being sent to SoCalGas’ GO 96-B service list and the Commission’s service lists for A.15-06-020 and A.18-07-024. 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/ Joseph Mock Joseph Mock Business Manager – 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: 1 Advice Letter (AL) #: 5753 Subject of AL: Quarterly Summary of Maintenance Related Curtailments - October 1, 2020 - December 31, 2020 Keywords (choose from CPUC listing): Curtailment AL Type: Monthly Quarterly Annual One-Time Other: If AL submitted in compliance with a Commission order, indicate relevant Decision/Resolution #: Decision 16-07-008 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: See Declaration of Confidentiality 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: SoCalGas at Tariffs@SoCalGas.com Resolution required? Yes No Requested effective date: 1/8/21 No. of tariff sheets: 0 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: N/A Service affected and changes proposed1: N/A Pending advice letters that revise the same tariff sheets: None 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 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 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. 5753 List of Affected Customers Confidential and Protected Materials Pursuant to Public Utilities Code Section 583, General Order 66-D, and D.17-09-023
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BEFORE THE PUBLIC UTILITIES COMMISSION OF THE STATE OF CALIFORNIA DECLARATION OF RASHA PRINCE REGARDING CONFIDENTIALITY OF CERTAIN DATA/DOCUMENTS PURSUANT TO D.17-09-023 I, Rasha Prince, do declare as follows: 1. I am Director, Customer Energy Solutions, for Southern California Gas Company (“SoCalGas”). I have been delegated authority to sign this declaration by Sandra K. Hrna, Vice President, Customer Solutions. I have reviewed the confidential information included within Attachment A to Advice No. 5753 submitted concurrently herewith (AL 5753 Attachment A). I am personally familiar with the facts in this Declaration and, if called upon to testify, I could and would testify to the following based upon my personal knowledge and/or information and belief. 2. I hereby provide this Declaration in accordance with Decision (“D.”) 17-09- 023 and General Order (“GO”) 66-D to demonstrate that the confidential information (“Protected Information”) provided in the AL 5753 Attachment A is within the scope of data protected as confidential under applicable law. 3. In accordance with the narrative justification described in Attachment A, the Protected Information should be protected from public disclosure. I declare under penalty of perjury under the laws of the State of California that the foregoing is true and correct to the best of my knowledge. Executed this 8th day of January 2021, at Los Angeles. __________________________ Rasha Prince Director, Customer Energy Solutions 1
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ATTACHMENT A SoCalGas Request for Confidentiality on the following information in its response to AL 5753 Attachment A Location of Protected Information Items Highlighted in grey in AL 5753 Attachment A Legal Citations CPRA Exemption, Gov't Code § 6254(k) ("Records, the disclosure of which is exempted or prohibited pursuant to federal or state law”) • Civil Code § 1798.80 et seq. (process for protecting customer records) • Civil Code § 1798.98 (protecting energy usage data) • • Evid. Code § 1060 Civil Code § 3426 et seq. CPRA Exemption, Gov't Code § 6254.7(d) CPRA Exemption, Gov't Code § 6255(a) (Balancing Test) 2 Narrative Justification When curtailments are called, information regarding affected customers should be limited to a geographical area. Information regarding an individual customer's rate or gas reductions could influence competition in the gas market, signal customers about product continuity, and violate a customer’s privacy. Data is market-sensitive information that, if revealed, would place customers at an unfair business disadvantage because it provides market sensitive information regarding customer usage data.
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