
ERCOT Market Updates and Energy Storage Workshop Highlights
Stay updated on ERCOT's market communication activities, recent meetings, and insights from the Energy Storage Workshop. Explore key discussions on settlement stability, market transparency, and evolving market designs.
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Presentation Transcript
MSWG WMS Updates, RTCTF, Energy Storage, Market Communication MAY 28, 2019
5/1/2019 WMS meeting WMS acknowledged closure of most of our Action Items WMS voted to approve the Market Data Transparency SLA WMS would still like updates on the Balancing Account Fund. Should we report on this or ERCOT? Could this be added to the Settlement Stability Report? PUBLIC
RTC meetings 4/22, 4/30 and 5/13 Settlement included as the endpoint of each facet of the changing market design: http://www.ercot.com/content/wcm/key_documents_lists/178832/4._Approaching_the_RTC_Elements.pptx 5/13 meeting has 3 increasingly complex Settlement scenario spreadsheets http://www.ercot.com/content/wcm/key_documents_lists/179717/Settlement_example_formula_balance_system_v3.0_ex1.xlsx http://www.ercot.com/content/wcm/key_documents_lists/179717/Settlement_example_formula_balance_system_v3.0_ex2.xlsx http://www.ercot.com/content/wcm/key_documents_lists/179717/Settlement_example_formula_balance_system_v3.0_ex3.xlsx *AS is used as a generic representation of any Ancillary (NS, RD, RR, RU) **The suite of AS products assumed for implementation are those defined in the framework provided by NPRR863, Creation of ERCOT Contingency Reserve Service and Revisions to Responsive Reserve (in discussion at PUCT currently) PUBLIC
Energy Storage Workshop 4/23/2019 Types of info ERCOT will need: Inverter detail Round-trip efficiency Better operational visibility Changes to site; co-location? (eg. ERCOT cannot operate solar array with a battery as a single Resource) Telemetry/COP for 5 new state of charge points For WSL treatment, no other loads behind metering point If the Market hasn t given you an Award or other reason/signal to provide, don t expect to get paid Single price curve whether charging or discharging Technical discussion of Battery Energy Storage Resources (BESR) Automated Chemistries Operating characteristics Degradation ALL Market Data Inputs are measured at the Point of Interconnection (POI) Generate enough to deliver to POI http://www.ercot.com/calendar/2019/4/23/176494 PUBLIC
Market Communications: ERO & WAN Invoices WAN invoices will go to: notice_settlements Accounts Payable and Authorized Representatives for QSEs Authorized Representatives for TSPs ERO invoices will go to: notice_settlements Accounts Payable and Authorized Representatives (for QSEs with ERO invoices) Confirm and give feedback if not as expected PUBLIC
Action Items In Progress: NPRR917 Grandfathering Issue continues NPRR850 Market Restart NPRR885 Must-Run Alternative Expect an assignment to emerge from Energy Storage PUBLIC
QUESTIONS? Next MSWG meeting June 25, 2019