System Frequency
L o a d i n g
OverviewFrequencyHistoricSubscribableSystem
This page holds the historic system frequency data for Great Britain at a 1 second resolution. It is the role of the National Grid ESO to keep the system frequency at 50 Hz, with a statutory limit of 0.5 Hz above or below this value. Time values are all given in Greenwich Mean Time (GMT) starting January 2020. >**NOTE:** Due to the size and format of these files, to view the data, please download the CSV file and open it with Notepad++ for complete document loading.
Additional Information
KeyValue
Update FrequencyMonthly
harvest_object_id253508f9-2d0b-4402-9fde-8ab661d1ee60
harvest_source_id916f7f66-3a3b-43e9-afc0-85d31134d7b3
harvest_source_titleNational Grid ESO