Sun Metals submits rule change request to AEMC – for optional Five Minute Settlement


On 4th December 2015, Sun Metals (a zinc smelter in northern Queensland, and also one of our initial deSide® clients) submitted this rule change request to the AEMC:

2015-12-04-5MS-SunMetals-RuleChangeRequest

In the 10-page proposed change, my sense is that the key points were in this quoted text:

“To reduce the cost of implementation, this proposal avoids the need to replace meters by using SCADA to profile the demand across the thirty minute trading interval, where 5-minute interval meters are not installed. This enables generation payments to be made on a volume weighted basis, rather than a simple average dispatch price over the trading interval.  Participants may choose to install 5-minute interval meters at their own cost.

In recognition of the fact that not all loads are capable or willing to undertake rapid demand-side response, and not all loads have suitable metering or SCADA, the proposal provides for optional participation in five minute settlements for loads, which should also help to reduce implementation costs”

… with our emphasis added.

The Sun Metals application referred back to the NEMMCO process, which concluded with this final report in February 2003.

About the Author

Paul McArdle
One of three founders of Global-Roam back in 2000, Paul has been CEO of the company since that time. As an author on WattClarity, Paul's focus has been to help make the electricity market more understandable.

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