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Thumbnail 10 - ReservesIn this 2011 report from NERC (from which this category diagram has been taken) the authors describe the Reserves category as follows:

“Demand Resources obligated to be available to provide Demand Reduction upon deployment by the system operator, based on operating reserve capacity requirements that are established to meet applicable reliability standards.”
See page 9 of the report (our emphasis added in the above)

In the NEM framework, this would equate to demand response resources providing frequency response services under the following 6 x “Contingency” FCAS commodities.

  • 6-second Raise
  • 60-second Raise
  • 5 minute Raise
  • 6-second Lower
  • 60-second Lower
  • 5 minute Lower


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