Bulb's electricity: where it comes from and how it reaches your home

100% of Bulb’s electricity comes from renewable sources. We work with renewable generators from across the country to source this energy.

During 2017 to 2018, the sources of our renewable electricity were:

  • wind - 51%
  • solar - 40%
  • hydro - 9%

How our electricity reaches your home

We don’t deliver renewable electricity to your home direct from a wind or solar farm. Electricity is delivered through the National Grid, a melting pot of different types of energy.

The National Grid takes all the electricity put onto the grid by generators and moves it around the UK according to demand. This means that no energy supplier can guarantee the origin of the electricity you’re using in your home.

We purchase energy on your behalf, so what we can do is make sure the money from your energy bills goes towards renewable generators. That’s what we make sure to do, and can prove with Renewable Electricity Guarantee of Origin certificates (REGOs).

You can find out more about how we buy our electricity.

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