The release of GSD2023 supports a deep dive into its 10-year FCAS history section. We inspect three units of differing technology and make use of the data extract to uncover trends in participation.
Six observations from a chart summarising how capacity, availability and volumes enabled have changed over the early phase of the very fast FCAs markets, since commencement on October 9, 2023.
The very fast FCAS markets started on 9 October 2023 and now a Basslink outage presents a confusing situation for required and enabled levels.
The requirement for the very fast raise contingency service is set to increase to 100 MW. We review availability and bids to consider the impact.