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Be part of the green energy revolution

Electricity & gas doesn't have to cost the Earth…switch to Tonik for renewable energy* and award-winning customer service. And, we'll help halve your energy bills with next generation solar and in-home battery technologies.

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*100% renewable electricity, 10% green gas and 90% carbon offset.

That warm feeling isn’t your heating

Renewable energy that offsets your carbon footprint

3% interest reward on credit balances

Get a free gas boiler service when you switch (usually £84)

Homeserve bolier

Free Gas Boiler Service when you switch

We've partnered with HomeServe, one of the UK's leading home emergency cover providers, so you can benefit from a FREE gas boiler service (usually £84), for the first year, when you switch to green energy with us.

Terms, conditions and exclusions apply


They've cut my bill by 45% & their service is unbelievably brilliant!

Renee B, Cheadle, Manchester

Be reassured! - you're getting a great price with Tonik

We have consistently offered market leading energy prices. Please remember, our lowest tariff prices are always found here on our website.

Tonik Tariffs in the market

Switching’s a doddle – go green in 2 minutes


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Choose your renewable energy tariff and then we'll take a few quick details.


Leave the rest to us

Sit back. Relax. Feel good about the good you've done for the planet.

Terraced houses with solar panels

Powering the Home of the Future

If you could halve your energy bills by generating and storing your own electricity you would, wouldn't you? By sewing together the best in solar, battery storage and EV charging technology, combined with a Tonik smart tariff we can all benefit from a cheaper, greener and more sustainable energy future.

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