Balancing data
These pages contain data and support for users of the National Electricity Transmission System (NETS). Here you will find the latest operational data, forecasts, and reports.
Balancing data
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.
GB Electricity System Operator Daily Reports
On this page, you will find reports that we publish relating to the status of the NETS.
Forecast volumes and costs
Breakdown of operating margin (OPMR) based on forecast volume of reserve, frequency response required, annual weighting factors for STOR contracts, and BSUoS charges.
System balancing reports
Reports we publish relating to the commercial operation of the electricity transmission system, including MBSS and other services reports.
Balancing Services
Find out how we keep the electricity transmission system balanced, and about tendering for balancing services.
Connections
All aspects of the contracts for the connection to and use of the National Electricity Transmission System (NETS).
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.