FAQs
Below is a list of our most frequently asked questions. If you have a question that isn't listed below, please contact us.
What is included within a Capacity Market Notice when it becomes active on the website?
There are 5 discrete pieces of information within a Capacity Market Notice.
- Commencement time of the Capacity Market Notice (four hours out )
-
Circumstance that has triggered the Capacity Market Notice, being one of the following
- Margin below threshold set out in Capacity Market Rules (based on data provided to the Electricity System Operator)
- Demand Reduction Instruction
- Low Frequency Disconnection
- Transmission Demand and Operating Margin (MW)
- Aggregate Capacity of BM Units (Generating assets) expected (MW)
- Additional Capacity (MW)
Note: Items 3, 4 and 5 are not shared where the trigger is either Demand Reduction Instruction or Low Frequency Disconnection
Related FAQs
- What is a Capacity Market Notice and how is it triggered?
- What is a Capacity Market Notice not?
- What is included within the Demand figure?
- What is included within the Aggregate BM figure?
- How should I respond to a Capacity Market Notice?
- What other information is available to the industry?
- How do Capacity Market Notices differ to System Warnings messages that appear on the Balancing Mechanism Reporting Service (BMRS)?
- Will a Capacity Market Notice always be followed up by an operational System Warnings message?
- Is the Capacity Market Notice actively updated following its initial communication?
- Can a Capacity Market Notice be cancelled?
- Can a Capacity Market Notice be issued for any period less than four hours away?
- If a Capacity Market Notice is cancelled can one be reinstated as active at a later time from the same time?
- How many Capacity Market Notices will be published each year?