Real-time operations dispatching power stations and ancillary services, – monitoring and supervising operations, and coordinating the various participants; After the fact and reporting market outcomes, and –monitoring investigating events; and Support providing systems infrastructure, providing modelling and – analytical support, monitoring compliance, and supporting participants and the Authority with analysis of various issues. The breakdown of costs associated with each of these activities has been estimated and is illustrated in Figure 6, in order to identify the materiality of the costs in each area. Figure 6: Breakdown of annual system operations costs In order to explore the primary cost drivers, the exacerbators of cost, the beneficiaries, and the activities in each area, have been identified and analysed in Appendix D. A summary of this analysis is included in Table 6. Table 6: Summary analysis of system operations activities Support Primary Cost Drivers Primary Primary Activity Exacerbators Beneficiaries Operations Characteristics of power system Generators Planning Complexity of market Consumers asset owners arrangements Complexity of security policies Scheduling Characteristics of power system Unreliable Generators generators Complexity of market Purchasers and arrangements Distributors transmission Grid consumers Real-time Characteristics of power system Unreliable Generators operations generators Purchasers Complexity of market and arrangements Distributors transmission Complexity of security policies Consumers Number of participants After the fact Characteristics of power system Unreliable Generators generators Complexity of market Purchasers and arrangements Distributors transmission Grid consumers
Real-time operations – dispatching power stations and ancillary services, monitoring and supervising operations, and coordinating the various participants; After the fact –monitoring and reporting market outcomes, and investigating events; and Support – providing systems infrastructure, providing modelling and analytical support, monitoring compliance, and supporting participants and the Authority with analysis of various issues. The breakdown of costs associated with each of these activities has been estimated and is illustrated in Figure 6, in order to identify the materiality of the costs in each area. Figure 6: Breakdown of annual system operations costs In order to explore the primary cost drivers, the exacerbators of cost, the beneficiaries, and the activities in each area, have been identified and analysed in Appendix D. A summary of this analysis is included in Table 6. Table 6: Summary analysis of system operations activities Support Activity Primary Cost Drivers Primary Exacerbators Primary Beneficiaries Operations Planning Characteristics of power system Complexity of market arrangements Complexity of security policies asset owners Generators Consumers Scheduling Characteristics of power system Complexity of market arrangements Unreliable generators and transmission Generators Purchasers Distributors Grid consumers Real-time operations Characteristics of power system Complexity of market arrangements Complexity of security policies Number of participants Unreliable generators and transmission Generators Purchasers Distributors Consumers After the fact Characteristics of power system Complexity of market arrangements Unreliable generators and transmission Generators Purchasers Distributors Grid consumers
Sub%20050%20-%20Electricity%20Authority%20Attachment%20A%20-%20839Kb.docx