Ancillary Services Market at WattEx

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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
Market
Commodity
Instrument
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ANCILLARY SERVICESEXCHANGE STRUCTURE
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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