Statutes, codes, and regulations
Colorado Administrative Code
Department 700 - Department of Regulatory AgenciesDivision 723 - Public Utilities CommissionRule 4 CCR 723-3 - RULES REGULATING ELECTRIC UTILITIES
DISTRIBUTION SYSTEM PLANNING
Section 4 CCR 723-3-3539 - Security Assessment

4 Colo. Code Regs. § 723-3-3539

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Current through Register Vol. 47, No. 11, June 10, 2024
Section 4 CCR 723-3-3539 - Security Assessment
(a) The utility shall provide a narrative assessment of the reliability and resilience of the distribution grid with respect to cybersecurity and physical security, including:
(I) current status of distribution grid reliability and plans for improving reliability, including areas of the grid where reliability problems have been identified, with plans for resolving them. Distribution grid reliability metrics (SAIDI and SAIFI at a minimum) should be provided for each year for the past three years for each substation;
(II) list of major outages, including cause and duration, involving 10,000 customers or more for each year for the past three years;
(III) analysis of cyber security issues or other threats to the distribution system and what efforts the utility is taking to ensure the distribution system is secure;
(IV) analysis of risks by substation posed by natural disasters such as wildfires, floods, severe storms, and a detailed description of efforts the utility is taking to increase system resiliency in the response to these risks;
(V) other plans aimed at improving distribution system resiliency; and
(VI) any pilots or programs, existing or proposed, aimed at increasing reliability and resiliency, using microgrids or other technology, should be discussed within the Grid Innovation section of the Phase I DSP, as described in rule 3533.
(VII) The utility may incorporate by reference any other filings or applications made to the Commission that are relevant to a discussion of distribution system reliability and resilience.

4 CCR 723-3-3539

38 CR 17, September 10, 2015, effective 9/30/2015
39 CR 06, March 25, 2016, effective 4/14/2016
39 CR 08, April 25, 2016, effective 5/15/2016
40 CR 22, November 25, 2017, effective 12/15/2017
42 CR 03, February 10, 2019, effective 3/2/2019
42 CR 07, April 10, 2019, effective 4/30/2019
42 CR 09, May 10, 2019, effective 5/30/2019
43 CR 08, April 25, 2020, effective 5/15/2020
43 CR 12, June 25, 2020, effective 7/15/2020
43 CR 20, October 25, 2020, effective 11/14/2020
44 CR 13, July 10, 2021, effective 7/30/2021
44 CR 24, December 25, 2021, effective 1/14/2022
45 CR 18, September 25, 2022, effective 10/15/2022
46 CR 02, January 25, 2023, effective 2/14/2023