Learn about the Great Britain electricity grid
Use the live dashboard for the latest available observations, then use these guides to understand their meaning and limitations. Worked examples are separate from live readings.
Practical guides
Understanding frequency and dashboard alarms
How to compare electricity charts fairly
What carbon intensity can tell you
Wholesale prices and your electricity bill
Worked archive analysis
Grid observations: 19–20 October 2026
This fixed report uses the exported dataset, states its coverage and includes calculated sample statistics. It is not an automated daily news service.
Sources and corrections
Our methodology explains collection and sampling. To query an explanation, email [email protected] with the page, metric and relevant observation time.