Renewable energy research outlet Carbon Brief have published a document highlighting the reduction of electricity generated by fossil fuels in the UK.
In 2023, electricity generated by fossil fuels fell by 22% based on year-on-year figures. These are the lowest levels since 1957.
Electricity generated from fossil fuels has fallen by two thirds since its peak in 2008, reaching 104terawatt hours (twh) in 2023. Coal has dropped by 115twh and Gas by 80twh.
This reduction has been caused by the rapid expansion and deployment of renewable generation as well as lower electricity demand.
Renewable energy generation has exceeded 2008 levels by six times to 113twh, with demand for electricity decreasing by 21% by the same levels.
In 2023, fossil fuels contributed to only 33% of the UK’s electricity supply.
Electricity generated by gas made up 31% with coal and oil both only 1% each.
Electricity generated from low carbon sources made up 56% of the total, with electricity from renewables making up 43% and nuclear making up the remaining 13%.
Energy from imports and waste incineration completed the remaining percentage of the UK’s electricity generation.
There is still a long way to go for the UK government to reach its target of 95% low carbon electricity by 2030 and a fully decarbonised grid by 2035.
However, the UK is moving in the right direction.
Electricity demand has reduced in the UK because of more energy efficient appliances and lighting being installed. Increased gas prices have also decreased demand.
Overall, the decarbonisation of the UK’s electricity grid is moving in the right direction with more fossil fuel-based sources being removed from the grid each year. However, more renewable sources must be installed into the grid, and at pace, to reach net zero by 2035.
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