Green Star Energy source 100% of their power from renewable sources. They manage to do so at a competitive price by offering a price promise, meaning you can save money while feeling good about the choice you made.
Green Star Energy also pride themselves on being able to provide a high quality of customer service, in 2017 they were found by Which? to have shortest time waiting on the phone to speak to a representative at only 48 seconds.
It's important to know where your supplier gets their energy from: