Saudi Arabian Grid Code May 2024

Coordination on Safety Matters CHAPTER 5 Scheduling Process Generator Declarations Scheduling and Dispatch Parameters Generator Nominations Communication of Declarations and Nominations Table of Contents The Saudi Arabian Grid Code Updated Version: May 2024 vi The Generation Schedule Issuance of Generation Schedule Negative Minimum Demand Regulation (NMDR) Inadequate Operating Margin General Provisions Dispatch Instructions to Generators Generation Synchronizing and Desynchronizing Times Dispatch of Active Power Dispatch of Reactive Power Additional Dispatch Instructions System Emergency Conditions Generating Unit/Station Parameter Changes Automatic Reactive Power or Automatic Voltage Control System Mode of Operation 5.4.10 Dispatch Instructions for Distribution Entities and Directly-connected Customers 5.4.11 Nature of Dispatch Instructions A5.1.1 Availability Notice A5.1.2 Scheduling and Dispatch Parameters Schedule 1: Generating Unit Technical Data Schedule 2: Generating Unit/Station Outage Data Schedule 3: Generation Operation Schedule Data Schedule 4: Generation Operational Planning Data Schedule 5: User System Data Schedule 6: Connection Point Data Schedule 7: Demand Control Data Schedule 8: Scheduling and Dispatch Data Schedule 9: User System Load Characteristics Schedule 10: Fault Infeed Data Schedule 11: User Demand Profiles and Active Energy Data Schedule 12: Data Supplied by the TSP to Users Table of Contents The Saudi Arabian Grid Code Updated Version: May 2024 vii CHAPTER 7 Damage, Tampering, or Unauthorized Interference with Metering Equipment Table of Contents The Saudi Arabian Grid Code Updated Version: May 2024 viii Table of Figures: No. Figure No. Title Page No. Figure 1.1 Grid Code Amendment/Derogation Process Figure 2.1 P-Q Diagram Figure 2.2 Maximum Output Power Reduction Diagram Figure 2.3 Normal operating range: transmission-connected facilities, 110-380 kV Figure 2.4 BESS response during normal, high, and low frequency Figure 2.5 Voltage Withstand Capability Diagram Figure 2.6 Procedure for Connection to the Grid Figure 4.1 Description and time flow of various operational planning phases Figure 4.2 Program horizon for Generating Unit Outages Figure 4.3 Program Horizon for Transmission System Outages Figure 5.1 Overview of Generation Scheduling Process Figure 5.2 Overview of the Dispatch Process List of Tables: No. Reference No. Title Page No. Subsection 2.4.2 Frequency Variations Subsection 2.4.3 Voltage Variations Clause 2.5.2.6 Fault Clearance Times Table A2.1 Pro Forma for Site Responsibility Schedule Subsection