You've been avoiding me Tuesday, page-25

The AEMC should have two levels of payment. The highest rate should be paid to those that can respond in an instant and a lower rate for those that take over 5 minutes to kick in.


"Last week, in one of its most dramatic interventions, the Tesla big battery responded in an instant when a Loy Yang A unit tripped and sent frequency down below 49.8Hz, the normal trigger point for a reaction from contracted generators.

In what is known as the FCAS contingency market (designed to cater for such sudden outages), the Hornsdale Power Reserve, as the Tesla big battery is known, displayed its speed of response, helping arrest the fall in frequency before leaving and allowing the contracted generators to complete the job."

http://reneweconomy.com.au/speed-of...ves-rule-makers-struggling-to-catch-up-36135/