Saudi Arabian Grid Code May 2024

Planning of Generating Unit Outages 4.3.4.1 The Outage planning process in respect of a Generating Unit shall commence not later than five (5) years prior to the scheduled Operational Date or from the date of the relevant agreements, whichever is the later. The process shall culminate in developing of the following three Programs scheduled over the time scales indicated against each: (i) Committed Outage Program, covering real time up to end of Year 1; (ii) Provisional Outage Program, covering Year 2-3; and (iii) Indicative Outage Program, covering Year 4-5. The time horizon for planning of Generation Outages is shown in Figure 4.2 below. Chapter 4 - Operating Code The Saudi Arabian Grid Code Updated Version: May 2024 Figure 4.2. Program horizon for Generating Unit Outages 4.3.4.2 In rolling over the Generation Outage Program from one year to the next, for every year (except, in any such case, to the extent that the Generator is reasonably responding to changed circumstances), the procedure set out below is to be followed: (i) submissions by the Generator for Year 2 should reflect the current Provisional Outage Program for Year 3; and (ii) submissions by the Generator for Year 1 should reflect the current Provisional Outage Program for Year 2. 4.3.4.3 The procedure set out below is to be followed in each calendar year. 4.3.4.4 By the end of March Year 0 (i) Generators shall provide the TSP in writing, for each Generating Unit, the following details of Planned Outages and estimates of probabilities of Forced Outages for including in the Committed, Provisional, and Indicative Outage Programs as defined in (4.3.4.1) above: (a) identity of the Generating Units concerned; (b) MW unavailable (and MW that will still be available, if any, notwithstanding the Outage); (c) expected duration of the Outage; Year 4 and Year 5 Indicative Outage Program Year 2 and Year 3 Provisional Outage Program March till end -Year 1 Committed Outage Program