Bulb Energy

Renewable energy supplier

London, London

United Kingdom


About Bulb Energy

Bulb is the future of energy. They give consumers a choice of energy they haven’t had before that is fast, reliable, affordable and of course renewable. Their mission is to transform the way energy is bought, used and produced.

Co Founders Amit Gudka and Hayden Wood worked in the energy industry and saw consumers were getting a raw deal. People were being charged too much and experiencing terrible service. Hayden and Amit kept coming across people that wanted to buy renewable energy but couldn't because it was too expensive. So they started Bulb to give people a choice of low cost affordable energy and excellent service.

Bulb uses technology to keep costs low and quickly passes reductions in the cost of energy onto its members. The 100% renewable electricity Bulb sells is sourced from independent, run of river hydroelectric plants in North Wales and Scotland and the 10% renewable gas (the cleanest on the market) comes from biomethane gas plants outside Oxford

Since we started Bulb, we have been driven by a core principle: that companies have a social and environmental responsibility over and above making a profit. It’s key to what we’re doing here at Bulb and when we found out about B Corp certification - and the growing #BtheChange community across the world that was trying to do business in a different way - we wanted to be part of it! Whether it's being a Living Wage employer, taking care to support our fantastic #TeamBulb members' development or working with local community groups to amplify their social impact work - we're proud so much of what we do overlaps with B Corp principles. We look forward to learning from other B Corp members and continuing to improve how we do business and the positive social and environmental impact we have.

The Change We Seek®

In order to truly transform the way energy is bought, used and produced people need to regain agency in their decisions around energy usage. Bulb knows it has to inspire people with an optimistic vision for the future that drives a demand revolution for renewable energy. They want to democratise renewable energy, help people reduce their usage by enabling new technologies like electric cars and domestic solar. And to provide an example to energy suppliers all over the world that there's a better way to provide energy.

What makes us a better company?

B Impact Report

Certified since: 

May 2016

Company Score

Median Score*



The Environment section of the Assessment evaluates a company's environmental performance through its facilities; materials, resource, and energy use; and emissions. Where applicable, it also considers a company's transportation/distribution channels and environmental impact of its supply chain. This section also measures whether a company's products or services are designed to solve an environmental issue, including products that aid in the provision of renewable energy, conserve resources, reduce waste, promote land/wildlife conservation, prevent toxic/hazardous substance or pollution, or educate, measure, or consult to solve environmental problems.



The Worker section of the survey assesses the company's relationship with its workforce. This section measures how the company treats its workers through compensation, benefits, training, and ownership opportunities provided to workers. It also focuses on the overall work environment within the company through management/worker communication, job flexibility and corporate culture, and worker health and safety practices.



The Customers section of the Assessment measures the impact a company has on its customers. The section focuses on whether a company sells products or services that promote public benefit, and if those products/services are targeted towards serving underserved populations. Questions in this section will measure whether a company's product or service is designed to solve a social or environmental issue (e.g. improves health, preserves environment or creates economic opportunity to individuals or communities, promotes the arts/sciences, or increases the flow of capital to purpose-driven enterprises).



The Community section of the survey assesses a company's impact on its community. The Community section evaluates a company's supplier relations, diversity, and involvement in the local community. The section also measures the company's practices and policies around community service and charitable giving. In addition, this section includes if a company's product or service is designed to solve a social issue, including access to basic services, health, education, economic opportunity, arts, and increasing the flow of capital to purpose-driven enterprises.



The Governance section of the Assessment evaluates a company's accountability and transparency. The section focuses on the company's mission, stakeholder engagement, and overall transparency of the company's practices and policies.

Overall B Score

80 out of 200 is eligible for certification

*Of all businesses that have completed the B Impact Assessment

*Median scores will not add up to overall

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