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

May 22, 2020

Advice No. 5633
(U 904 G)
Public Utilities Commission of the State of California
Subject: Emergency Local Service Zone Curtailment Effective May 14-16, 2020
Southern California Gas Company (SoCalGas) hereby submits this Advice Letter to notify
the California Public Utilities Commission (Commission) and affected parties of a
curtailment event in its service territory.1
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.
This Advice submittal is being made consistent with that requirement.


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


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Advice No. 5633 -2- May 22, 2020 Information A. Facts Underlying and Reasons for the Curtailment SoCalGas initiated a localized emergency curtailment of service in multiple cities within the Northern Valley System Local Service Zone area beginning at 8:15 p.m. on May 14, 2020. The curtailment was issued to facilitate the repair of a damaged natural gas pipeline. The emergency curtailment of service ended at 6:50 a.m. on May 16, 2020. A list of the affected customers is provided in confidential Attachment A. On the afternoon of May 14, 2020, SoCalGas received reports of a damaged natural gas transmission line in the city of McFarland. Upon inspection, Line 7000 was determined to have been damaged as a result of a 3rd party unauthorized digging in the area. SoCalGas immediately took the necessary steps to complete the required repairs as safely and quickly as possible. The emergency repairs necessitated natural gas service interruptions for a limited number of customers in the area, including electric generation as well as noncore commercial and industrial customers. B. Compliance with SoCalGas’ Tariffs This emergency local service zone curtailment was instituted in accordance with Section E of SoCalGas Rule No. 30, Interruption of Service and Section E of Rule No. 23, Curtailment Due to Emergency Conditions. Each affected noncore customer was fully curtailed during the length of the curtailment. C. Efforts by SoCalGas to Minimize or Alleviate the Curtailment SoCalGas notified the affected customers of the curtailment of service through their Account Manager and via our Electronic Bulletin Board, ENVOY®. Notices were posted on ENVOY® on May 14, 2020 and May 16, 2020.2 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 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 received within 20 days of the date of this Advice Letter, which is June 11, 2020. The address for mailing or delivering a protest to the Commission is: 2 derId%3D1%26rand%3D36.
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Advice No. 5633 -3- May 22, 2020 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 ( 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. Attn: Ray B. Ortiz Tariff Manager - GT14D6 555 West Fifth Street Los Angeles, CA 90013-1011 Facsimile No.: (213) 244-4957 E-mail: Effective Date SoCalGas believes this Advice Letter 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 May 22, 2020, which is the date submitted. Notice A copy of this Advice Letter 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 via e-mail to or call 213244-2837. For changes to all other service lists, please contact the Commission’s Process Office at 415-703-2021 or via e-mail at /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: E-mail Disposition Notice to: EXPLANATION OF UTILITY TYPE GAS = Gas WATER = Water HEAT = Heat (Date Submitted / Received Stamp by CPUC) Tier Designation: 1 Advice Letter (AL) #: 5633 Subject of AL: Emergency Local Service Zone Curtailment Effective May 14-16, 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 #: D.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 Resolution required? Yes No Requested effective date: 5/22/20 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: 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: 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: Clear Form
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ATTACHMENT A Advice No. 5633 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 Jeffery L. Walker, Vice President, Customer Solutions. I have reviewed the confidential information included within Attachment A to Advice No. 5633 submitted concurrently herewith (AL 5633 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 5633 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. 1
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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 22nd day of May 2020, at Los Angeles. ____________________________ Rasha Prince Director, Customer Energy Solutions 2
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ATTACHMENT A SoCalGas Request for Confidentiality on the following information in its response to AL 5633 Attachment A Location of Protected Information Items Highlighted in grey in AL 5633 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) 3 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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