Saudi Arabian Grid Code May 2024

(Procedure for notification of Operations, Events and Significant Incidents) June 2017 Electronic Update 10 April 2017 Amendment No. 15A065 pertains to: (i) modification of clause 4.3.5.5 to consider Nuclear Power Plant in the Provisional Transmission Outage Program; and (ii) addition of new clause 4.3.5.7 concerning Nuclear Safety. June 2017 Electronic Update 10 April 2017 Amendment No. 15A067 pertains to modification of: (i) clause 5.3.6.3 concerning Sustainable Resource Generation; and (ii) Appendix A6.1 to add data description “Cold Start after refueling for NPP”. Chronology of Saudi Arabian Grid Code Revisions The Saudi Arabian Grid Code Updated Version: May 2024 Sr. No. Publication No. / Date SERA’s Approval Date Detail(s) of the Revision February Electronic Update 20 February Amendment No. 17A072 pertains to the transferring of the responsibility of accreditation of independent meter calibrating agencies / laboratories from the Regulator to the Saudi Accreditation Center as per Clauses 7.3.4 and 7.8.4. April 2021 Electronic Update 9 September Amendment No. 19A074 pertains to the authority given by the SERA Board to the Regulator’s Governor to decide on any request for amendment or Derogation. April 2021 Electronic Update 23 December Amendment No. 18A073 pertains to the inclusion of a new member to the Grid Code Supervisory Committee that will represent Principal Buyer. April 2021 Electronic Update 20 April 2021 Amendment No. 20A076 refers to the addition of new requirements for PSS in April 2021 Electronic Update 20 April 2021 Amendment No. 20A077 pertains to the addition of new clause 3.3.3.8 concerning model re-validation of the generator and its control system. September Electronic Update 27 September Amendment No. 21A079 refers to the changing of name of the Electricity & Cogeneration Regulatory Authority with Water and Electricity Regulatory Authority and likewise, the acronym ECRA to be replaced with WERA. February Electronic Update 9 February Amendment No. 21A082 refers to the addition of new paragraphs at the end of Clause 4.4.3.1 concerning Fast Frequency Response. February Electronic Update 9 February Amendment No. 21A083 refers to the addition of two (2) new Clauses 2.5.5.16 and 2.5.5.17, containing Figures 2.3 and 2.4, respectively, i.e., regarding the Active Power requirements for BESS at the Connection Point, in the event of frequency and voltage deviations; and BESS capability to provide specific frequency response in stabilizing Grid System frequency. February Electronic Update 9 February Amendment No. 21A084 refers to addition of new paragraph at the end of clause 2.5.5.23 (ii) concerning BESS capability to provide maximum voltage support. February Electronic Update 9 February Amendment No. 21A085 refers to addition of new subsection 2.4.9 entitled Phase Jumps. Chronology of Saudi Arabian Grid Code Revisions The Saudi Arabian Grid Code Updated Version: May 2024 Sr. No. Publication No. / Date SERA’s Approval Date Detail(s) of the Revision February Electronic Update 9 February Amendment No. 21A086 refers to addition of new three (3) items for System Services in Section 2.6 and new clause 4.4.7.7 concerning minimum requirements for BESS Black Start. February Electronic Update 9 February Amendment No. 21A087 refers to addition of nine (9) new defined terms concerning BESS in the Glossary and Definitions. February Electronic Update 9 February Amendment No. 21A088 refers to addition of new clauses 2.5.5.33, 2.5.5.34, and 2.5.5.35 concerning BESS SoC Limits and Reactive Power Support. February Electronic Update 9 February Amendment No. 21A089 refers to addition of new A3.2.3 concerning the BESS data that shall be submitted to the TSP. February Electronic Update 9 February Amendment No. 21A090 refers to addition of new subsection 2.4.10 and two (2) new clauses, 2.5.5.6 and 3.3.6.3, concerning Short Circuit Ratio. February Electronic Update 9 February Amendment No. 21A091 refers to addition of new item (ix) in subsection 2.3.5 concerning BESS Connection Agreement. July 2022 Electronic Update 24 July 2022 Amendment No. 21A080 refers to increasing the Fault clearance time for the 132 KV from 100 milliseconds to 120 milliseconds in Clause 2.5.2.6. May 2024 Electronic Update 15 May 2024 Amendment No. 24A096 refers to the changing of name of the Water and Electricity Regulatory Authority with Saudi Electricity Regulatory Authority and likewise, the acronym WERA to be replaced with SERA. Note: The 1st Publication of the SAGC was issued on May 2007.