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Power up with positive energy

It’s now easier than ever to make the switch to renewable energy.

Our Green Energy add-on offers 100% renewable electricity1 (plus 5 trees planted on your behalf2) and our Green Gas add-on offers 15% renewable gas3, while we carbon offset the rest4.

Take the add-ons together, or pick the one you want; and add (or remove) them to any of our plans whenever you like. Simple.

Get a quote

We’re more than just one of the UK’s largest independent energy suppliers.

We’re putting the long-term future of people and our planet before short-term profits, all while bringing you prices to keep your bills down, and unmatched service to keep your happiness levels up.

We’re an energy company that’s passionate about powering a sustainable energy system and by sponsoring the Tour of Britain, Women’s Tour and Tour Series, we get to play a part in celebrating of the ultimate mode of sustainable transport – cycling.

Affordable renewables in a way that suits you

We think ‘going green’ should be easy. That’s why we created our Green Energy add-on.

100% affordable

Get 100% renewable electricity1 for an extra £5 a month.

100% flexible

Get it on any plan. Add it anytime. Cancel whenever.

100% greener

We’ll plant 5 trees2 for you each year in the UK.

Why OVO?


Great savings

You could save up to £158 by switching today3

3-5% Interest Reward

We’ll pay you the OVO Interest Reward on credit balances4

800,000+ customers

We’re one of the largest independent energy suppliers in the UK

Award-winning service

Voted uSwitch supplier of the year 20195

Pick from our 4 green plans

Important information

1 The renewable electricity we sell is backed by renewable certificates (Renewable Energy Guarantee of Origin certificates (REGOs)). See here for details on REGO certificates and how these work.

2 We aim to plant 5 trees on your behalf in green spaces over the UK through our I Dig Trees programme. From April 2017 to March 2018 we're aiming to have planted at least 150,000 trees bringing the total number of trees planted to over 500,000 trees since 2015. Find out more about I Dig Trees,

3 Pay Monthly Savings claims: Saving based on the estimated annual cost of OVO Better Smart Energy tariff for a non-economy-7, dual-fuel, medium user (2900 kWhs elec. and 12000 kWhs gas) paying monthly in advance by Direct Debit. Comparisons made against the Ofgem published tariff cap for a customer on a standard variable or default tariff that came into effect on 01/10/2020, applied to the same medium user consumption values. Savings are an estimate only and your actual costs will vary according to your region and usage. All rates correct as of 27/11/2020.

4 OVO Interest Rewards: Interest Rewards are paid on credit balances of customers paying by monthly Direct Debit. It is calculated at 3% in your first year, 4% in your second year and 5% in your third year (and every year thereafter) if you pay by Direct Debit. Interest Rewards are paid monthly based on the number of days you’re in credit and the amount left in your account after you’ve paid your bill. Full terms apply:

5 uSwitch's Energy Supplier of the Year: We were awarded uSwitch Energy Supplier of the Year after coming first for overall customer satisfaction in the uSwitch Energy Awards 2019. Based on the independent uSwitch Customer Satisfaction Report.

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