Fast Reserve, the ‘big guns’ of the National Grid balancing programmes provides rapid and reliable delivery of increased output from generation or a reduction in consumption from demand side sources.
Fast Reserve is the quickest acting reserve service.
Events commence within two minutes of event notice
Each provider delivers a minimum of 50 MW, which can be made up of smaller aggregate loads
Each pool needs to ramp at the rate of at least 25MWor greater per minute
Each pool needs to be capable of sustaining an event for a minimum of 15 minutes.