Ancillary Services Market at Watt-Ex
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Ancillary Services Market at Watt-Ex
description
Ancillary Services Market at Watt-Ex. WHAT ARE ANCILLARY SERVICES?. Maintain stability of electricity grid Dispatched by the System Controller (AESO) to balance changes in supply and demand Supplied by facilities that meet technical specifications set out by the System Controller - PowerPoint PPT Presentation
Transcript of Ancillary Services Market at Watt-Ex
Ancillary Services Marketat Watt-Ex
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WHAT ARE ANCILLARY SERVICES?
Maintain stability of electricity grid
Dispatched by the System Controller (AESO) to balance changes in supply and demand
Supplied by facilities that meet technical specifications set out by the System Controller
Regulating Reserves
Spinning Reserves
Supplemental Reserves
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ANCILLARY SERVICES CONTRACTS
Active StandbyMarket:
Commodity:
Instrument: Day -1 Day -2 Day -3 Day -4 Day -5
Base Load Off Peak On Peak
Regulating Spinning Supplemental
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ANCILLARY SERVICESEXCHANGE STRUCTURE
Watt-ExAS Contracts
Load &Generation
AESOCommercial Group
AESOSystem Controller
merit order
$ $
offers bids
trade data & unit position
compliance data
compliance & settlement
dispatch & directives
response
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NON-PERFORMANCE
Trade cancellations prior to performance
Trades in Error
Trades that do not meet AESO standards
Overcommited units
Events of Force Majuere
Non-performance
Events of Force Majuere
Non-compliance
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QUESTIONS
