Market, operations, and data
These pages contain data and support for users of the National Electricity Transmission System (NETS). Here you will find the latest operational data, details of the operational forum, transmission performance reports, and more.
We maintain the system frequency between 49.5Hz and 50.5Hz, although normal operating limits of 49.8Hz to 50.2Hz normally apply.
Real-time demand data
Click here to view a graph of demand data over the last 60 minutes.
Find out how we keep the electricity transmission system balanced, and about tendering for balancing services.
Balancing and settlement arrangements
You can find operational data relating to balancing and settlement arrangments on the BM Reports website, via ELEXON. You can use this website to make trading decisions and understand market dynamics by accessing current and historic data.
Balancing and Settlement Code (BSC)
You can find operational Balancing and Settlement Code (BSC) data in the ELEXON Portal.
We felt it was the right time to examine the changing face of Great Britain’s electricity system and development towards European regional markets. We have found that GB consumers will benefit through continued cooperation with the European electricity system. Find out more about the opportunities and challenges for our consumers.