<P> From the mid-1990s new renewable energy sources began to contribute to the electricity generated, adding to a small hydroelectricity generating capacity . </P> <P> In 2016, total electricity production stood at 357 TWh (down from a peak of 385 TWh in 2005), generated from the following sources: </P> <Ul> <Li> Gas: 40.2% (0.05% in 1990) </Li> <Li> Nuclear: 20.1% (19% in 1990) </Li> <Li> Wind: 10.6% (0% in 1990), of which: </Li> </Ul> <Li> Gas: 40.2% (0.05% in 1990) </Li>

What is the main source of energy in the uk