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    Green energy for all

    We provide our members with 100% renewable electricity from solar, wind and hydro. And our gas is 100% carbon neutral too. We offset the emissions from the gas we supply by supporting carbon reduction projects around the world. Plus, we're one of the biggest buyers of green gas for homes in the UK so a chunk of our gas mix comes from renewable sources, too.

    Unicorns from Bulb's TV advert
    A photo of a visit to a wind farm.

    Generators big and small

    We source our electricity from generators of all different sizes, from small solar farms to big off-shore wind sites.

    Sometimes we partner with generators to directly purchase their electricity. And we get the rest of the electricity we supply from the wholesale market. For every unit our members use, we buy a renewable generation certificate to match.

    Green as standard

    We don't charge extra for going green. You can choose any tariff at Bulb and sleep easy knowing that your home or business is powered by 100% renewable electricity.

    Source: Data provided by Electricity Info, an independent energy information site
    All suppliers shown have been in the market for >10 years or have >1% market share, as defined by Ofgem, the energy regulator

    A Bulb energy specialist turns, smiling to the camera, in our naturally lit and bustling office.

    Trusting your energy supplier

    For us, giving great service is first, last and everything. We're chuffed to be rated Excellent with over 60,000 reviews on Trustpilot.

    trustpilot logo, rated 4.4 out of 5

    Keep on top of your energy

    Understanding your energy usage helps you to lower your bills, so we make it easy for you.

    Keep on top of your energy with your Bulb Account. Sign in online, or download the app. You can track your usage, submit meter readings and check your balance.

    And as part of our Community you can chat with other members and share ideas about Bulb. Including how we can improve - we know we're not perfect.

    a smartphone running Bulb's mobile app

    Doing the right thing

    As a certified B-Corp, we're working to demonstrate how business can be a force for good. Since Bulb started we've donated more than £6 million to good causes. Including to Trees for Cities to create Edible Playgrounds in UK schools. And to Bulb Foundation which makes grants to organisations tackling the climate crisis head on.

    Certified B Corporation
    Bulb is a Living Wage Employer
    Bulb Foundation
    Photo shows children playing in the edible playgrounds that are made possible by Bulb's donations to Trees for Cities.