Switching energy providers used to be a common occurrence – as little as five years ago half of Britons said they had switched energy providers in the past 12 months. However, the market was upended during the Covid pandemic, swiftly followed by Russia’s invasion of Ukraine, bringing an abrupt halt to switching. Fixed energy deals became so expensive that providers stopped offering them, meaning variable rates – governed by the energy price cap – became the only viable option. While energy prices today remain 59pc higher than the winter of 2021, according to the House of Commons Library, that doesn’t mean you shouldn’t consider switching. Because while choice between providers in terms of saving money on your bills may still be slim, the difference in customer satisfaction between different energy firms are “miles apart”. Here, Telegraph Money explores the best energy providers according to customers, and how you can switch to them to enjoy better service. “Best” is a tricky gauge to measure, and there are numerous methods to rank the performance of energy providers. We’ve assessed recommendations made from consumer group Which? and Citizens Advice, both of which have surveyed British energy customers to see how happy they are with their...