How was the UK Energy Divided up and how has it Changed?

-UK has, in the Past, Relied on Fossil Fuels - 91% in 1970 -But then 1980 saw Gas Reserves in the North Sea Discovered - 22% of UK Energy by Gas -Now Renewable Energy is starting to Increase - 19% in 2014 saw Renewable Energy [Wind & Bio-Energy] and also 2025 will see no more Coal Fired Stations