Save on your bills
Switching supplier takes less than 10 minutes and can save hundreds per year.
Go 100% renewable
Green tariffs match your usage to electricity from wind, solar, and hydro.
Fast and free
Switching is completely free — your current supplier handles everything.
Big Six Energy Providers
The UK's largest electricity and gas suppliers — reviews, tariffs, and contact details.
British Gas
UK's largest supplier. Over 12 million customers.
EDF Energy
French-owned giant with a strong nuclear portfolio.
Eon Energy
4 million UK customers. Strong smart meter rollout.
Npower
Part of E.ON since 2019. Serves millions of homes.
Scottish Power
Owned by Iberdrola. 100% renewable electricity.
SSE
Merged with OVO in 2020. Formerly Big Six.
Eco-Friendly Suppliers
Suppliers leading the charge on renewable energy and sustainability.
Better Energy
Small supplier focused on clean, affordable energy.
Bulb Energy
100% renewable electricity, carbon-offset gas.
Ecotricity
UK's original green energy supplier since 1996.
Good Energy
100% renewable from UK wind, sun, and water.
Green Energy UK
Tariff prices matched to real green generation.
Octopus Energy
Tech-forward, Trustpilot's top-rated UK supplier.
Renewable Energy Guides
Learn how each renewable energy source works and its role in the UK grid.
Solar Energy
Photovoltaics and solar thermal explained.
Wind Energy
Onshore and offshore wind in the UK.
Tidal Energy
Harnessing the power of UK tides.
Geothermal Energy
Heat from the earth — UK prospects.
Hydroelectric Power
Water-powered generation across Britain.
Biomass
Organic material as a renewable fuel source.
Energy Guides by Topic
Practical guides covering tariffs, technology, bills, and more.
Stay informed — read the latest energy news
Tips on saving energy, market updates, and guides on making the switch to greener energy.