Affect Energy is an innovative energy company located in Brighton. In 2018, they were bought out by Octopus Energy, and customers still have nothing but praise for the company.
Avro Energy is a UK-based energy company, aiming to remove the complexity of energy providers and frustration of customers.
Focusing on solely prepayment energy meters, Boost offer competitive prices with at least 50% renewable energy on all their tariffs.
Bristol Energy is one of the many energy providers who have opted for 100% renewable energy and are well-known in Bristol for putting money back into the community.
British Gas is the largest energy provider in the UK, supplying gas and electricity to roughly 12 million homes and businesses across the country since 1812.
While relatively new in the energy market, Bulb is the biggest renewable energy supplier in the UK – supplying domestic customers and businesses alike.
Co-op Energy is a venture by MidCounties Co-operative and Octopus Energy aimed at bringing green energy to homes across the UK while giving back to the local community.
Ecotricity is a 100% renewable and vegan energy company dedicated to ending the use of fossil fuels and encouraging customers to improve their impact on the environment.
EDF Energy is a big investor in nuclear energy but is also now challenging for the title of the world’s largest generator of electricity.
ENGIE supplies businesses with 100% renewable energy and aims to allow businesses to reach a low-carbon, net-zero future.
EON is one of the ‘Big Six’ energy suppliers, trusted by over 3.8 million customers to supply their gas and electricity.
Good Energy was the first 100% renewable energy company in the UK, running its own wind and solar farms to encourage a greener future in the energy industry.
Green Network Energy was a 100% renewable energy company, however, has now been taken over by EDF Energy after it went into administration.
Nabuh Energy focuses mainly on prepayment customers, offering one of the cheapest prepayment tariffs in the UK.
After over 20 years of business, Npower has managed to hold its place in the 'Big Six'. However, it has now been bought out by one of its biggest competitors, EON.
Octopus Energy is one of the largest and most popular renewable energy providers out there at the moment, working with almost 100 small-scale solar, wind and hydropower generators across the UK.
Owned by Drax, Opus Energy is one of the many 100% renewable energy companies providing environmentally-friendly gas and electricity to businesses across the UK.
As a joint venture between Energy Global Investments and Genie Energy, Orbit Energy is able to offer customers a 100% renewable energy supply while maintaining stable prices.
OVO Energy is extremely close to becoming one of the 'Big Six' energy suppliers. Having recently opted for 100% renewable energy, the OVO brand is quickly growing.
Established by the founders of Virgin Media, Pure Planet is one of many energy providers offering 100% renewable electricity and 100% carbon offset gas.
With the use of wind farms and smart grids, Scottish Power was the first integrated energy company in the UK to generate 100% green electricity.
Shell Energy currently provide 100% renewable energy to all of its customers as standard and was the first energy provider in the UK to introduce smart meters.
So Energy is a smaller 100% renewable energy provider set up in 2015 that has seen steady growth thanks to its prioritised customer service.
SSE is involved in a range of different energy-related services, from supply and generation to storage, exploration, and production. Taken over by OVO Energy, it remains one of the 'Big Six'.
Despite its low use of renewable energy, Together Energy is growing extremely quickly and has recently taken over Bristol Energy’s domestic customers.
Tonik Energy entered the market hoping to make renewable energy easily affordable and accessible to customers across the UK and cut energy bills in half by 2022, however, they've since been bought out by Scottish Power.
Utilita specialises in prepayment meters and has been installing smart prepayment meters for over a decade, aiming to give customers a fairer, more transparent energy deal.
Utility Warehouse was founded by Olympic gold-medallist Andrew Lindsay and offers a range of different services. Many of its sales are generated through its members, leaving some questioning if it's a pyramid scheme.