nominations, and operationally may compress more or less than shippers have nominated. 7 Scenario testing The team tested scenarios throughout discussing the product to be auctioned, and this discussion has been minuted in Agenda Item 2. The majority of this discussion is captured in Appendix C. 8 Break N/A N/A N/A See Agenda Item 7. 9 Scenario testing (continued discussion) 10 Project team The team noted the GMRG will All send schedule of – road map progress procuring an expert on leave to GMRG admin. auction design. The team decided to move their next meeting scheduled in Sydney for Wednesday 28 June to Thursday 29 June. 11 N/A N/A N/A 12 Next meetings The next meeting is to be a meeting on Thursday 29 July 2017, 10am-3pm in Sydney. Appendix A Interaction with the NEM – Information flows D-7 D-4 D-1 Gas Day (D) Weather forecast Uncertain weather Weather forecast forecast (indicating improves in electricity demand certainty as get and renewable closer to the day. generators output). This is becoming increasingly volatile with increasing intermittent generators. NEM process Generators indicate Proposed industry Pre-dispatch at Dispatch availability for the conference as part 12noon Projected Assessment of the Peak Supply Generators can only of System Adequacy Guarantee if a lack bid in NEM in good (PASA), which of reserve (LOR) faith, ie. for GPG indicates supply and condition has been only if they can demand balance. forecast in the commit they do NEM, to assess gas Proposed extended have gas available. – supplies for dispatch as part of the The bidding generation. If Peak Supply process for unable to reduce Guarantee. generators will the LOR, there may depend on their
nominations, and operationally may compress more or less than shippers have nominated. 7 Scenario testing The team tested scenarios throughout discussing the product to be auctioned, and this discussion has been minuted in Agenda Item 2. The majority of this discussion is captured in Appendix C. 8 Break N/A N/A N/A 9 Scenario testing (continued discussion) See Agenda Item 7. 10 Project team road map The team noted the GMRG will progress procuring an expert on auction design. The team decided to move their next meeting scheduled in Sydney for Wednesday 28 June to Thursday 29 June. All – send schedule of leave to GMRG admin. 11 N/A N/A N/A 12 Next meetings The next meeting is to be a meeting on Thursday 29 July 2017, 10am-3pm in Sydney. Appendix A – Interaction with the NEM Information flows D-7 D-4 D-1 Gas Day (D) Weather forecast Uncertain weather forecast (indicating electricity demand and renewable generators output). This is becoming increasingly volatile with increasing intermittent generators. Weather forecast improves in certainty as get closer to the day. NEM process Generators indicate availability for the Projected Assessment of System Adequacy (PASA), which indicates supply and demand balance. Proposed – extended dispatch as part of the Peak Supply Guarantee. Proposed industry conference as part of the Peak Supply Guarantee if a lack of reserve (LOR) condition has been forecast in the NEM, to assess gas supplies for generation. If unable to reduce the LOR, there may Pre-dispatch at 12noon Generators can only bid in NEM in good faith, ie. for GPG only if they can commit they do have gas available. The bidding process for generators will depend on their Dispatch
20170614-15-day-ahead-auction-project-team-meeting-no-7-minutes.docx