4 Colo. Code Regs. § 723-3-3924
Current through Register Vol. 47, No. 11, June 10, 2024
Section 4 CCR 723-3-3924 - System Protection Equipment(a) Prior to interconnection, a qualifying facility shall install protective equipment that will automatically disconnect its generating equipment from a utility's power lines in the event of failure of the qualifying facility's generating equipment, a power line outage, or a nearby system fault. (I) The protective equipment, or separate equipment, shall have the ability to isolate the energy generated or supplied by a utility or by a qualifying facility. The equipment shall be accessible to and by the utility and the qualifying facility.(II) A utility shall have the right to operate the protective equipment whenever, in its judgment, it is necessary to maintain safe operating conditions or whenever the operations of a qualifying facility adversely affect the utility's system.(III) A qualifying facility shall have the right to operate the protective equipment whenever, in its judgment, it is necessary to maintain safe operating conditions or whenever the operations of a utility adversely affect the qualifying facility's equipment.(IV) Protective equipment that isolates a qualifying facility's generation shall be lockable by a utility only in the open position. Equipment that isolates a utility's generation or supply shall be lockable by a qualifying facility only in the open position. This equipment shall be installed so that there can be visual verification that the equipment is locked in the open position.(b) Prior to interconnection, a utility shall require a qualifying facility to demonstrate the proper functioning and operation of its protective equipment to the satisfaction of the utility.(c) A qualifying facility shall install overcurrent protection between major components of all switched interconnections.(d) A qualifying facility shall install protective relaying equipment to confine the effects of faults, lightning strikes, or other abnormalities and to protect its and a utility's equipment.(e) Prior to making significant modifications to its equipment, a qualifying facility shall notify a utility with which the QF is interconnected of the proposed modifications. If a qualifying facility plans to make significant modifications to its equipment, or if future difficulties arise on the systems of the qualifying facility or the utility as a result of the interconnection, the utility may require different or additional protective equipment or may require modifications as a condition of continued interconnected operations. The cost of such protective equipment or modifications shall be a cost of the qualifying facility.(f) No specific number of system protective devices is required by this rule.38 CR 17, September 10, 2015, effective 9/30/201539 CR 06, March 25, 2016, effective 4/14/201639 CR 08, April 25, 2016, effective 5/15/201640 CR 22, November 25, 2017, effective 12/15/201742 CR 03, February 10, 2019, effective 3/2/201942 CR 07, April 10, 2019, effective 4/30/201942 CR 09, May 10, 2019, effective 5/30/201943 CR 08, April 25, 2020, effective 5/15/202043 CR 12, June 25, 2020, effective 7/15/202043 CR 20, October 25, 2020, effective 11/14/202044 CR 13, July 10, 2021, effective 7/30/202144 CR 24, December 25, 2021, effective 1/14/202245 CR 18, September 25, 2022, effective 10/15/202246 CR 02, January 25, 2023, effective 2/14/2023