A bulb is cent new entrants to the UK electricity and gas supplier scene. It launched in 2016 and nowadays it manages more than 30,000 customers in approx two years of existence. The best part of this new entrants, it is 100% renewable and operated at one tariff. One tariff means, You can get energy at the cheapest rate anytime. If you are interested to read the review of bulb energy then just take a look at bulb energy review