Historic generation
How Britain's power mix has changed
Explore annual electrical energy by technology using NESO's unified GB generation mix from 2009 onwards.
Annual history
Total
Electrical energy supplied during each year.
0.0 TWh0.0 TWh0 TWh
Comparison table
Recent years
PeriodTotalPrevious yearChange
* Current period is incomplete and only contains published observations so far, so percentage comparisons are withheld. Main values are total electrical energy during each period; average output is shown beneath. Historic imports use NESO's imports series, and battery storage is not separately identifiable in this dataset.