This page contains live system data for transmission demand, frequency and transfers. This dataset does not currently include any files to download, all information is presented on this page. Use the links below to navigate to the area of interest. >**NOTE:** The "Live System Information" dataset will be removed from the Data Portal on 1 September,2023. Users are kindly requested to access https://extranet.nationalgrid.com/RealTime for Live System Data from 1 September,2023. [System Overview](#SysOv) [Frequency Last 60 Mins](#Fl60m) [Transmission Demand Last 60 Mins](#Dl60m) [Transmission Demand Last 24 Hrs](#D24h) [Transmission Demand Last 7 Days](#D7Days) System Overview Refresh Graph Back to Top Frequency Last 60 Mins Refresh Graph Back to Top Transmission Demand Last 60 Mins Refresh Graph Back to Top Transmission Demand Last 24 Hrs Refresh Graph Back to Top Transmission Demand Last 7 Days Refresh Graph Back to Top