Solar energy for your home,
day or night

Start solar calculator

We've partnered with Google to help you calculate how much you could save with solar and storage. Project Sunroof looks at your roof, sun positioning and shading to calculate your possible savings. Start the calculator below and see if it's in your area.

The clock is ticking

You could save around 50% on your electricity bills and earn money too through the Feed-in-Tariff. Don't forget to secure your tariff before the current scheme ends in April 2019. Get in touch with us to find out more.

See how much you could save

Problems with the calculator?
Contact us on 0345 366 5981 or send us an email to: customersupport@eonsolar.co.uk

Find out how much you could save

  • See what you could save

    Start with our solar calculator to find out what you could save and earn. We’ll call you back to book your no obligation home solar survey.

  • Personalised solar survey

    Together we’ll find the best system for you, your home and your budget. You’ll get a fixed quote with no hidden extras. And if you want to go ahead we’ll get your installation booked in.

  • Experts you can trust

    Our installer partners will fit and test your new system. And we’ll be there every step of the way.

Why choose E.ON Solar

You’re in safe hands. E.ON has thousands of solar customers across Europe already and we’ll use our experience and expertise to find the right solution for you and your home. We’ll also be there every step of the way.


  1. *These are example figures only. Savings are based on a south facing property in central England with a 40 degree roof tilt and no shading, with an electricity consumption of 4,900 kWh. Saving assumes fitting 12 x 320W panels and a 9.6 kWh battery plus a deemed export of 50%. FIT rates based on installs between 1 April 2018 and 30 June 2018.
  2. **The payment plan is subject to application and credit status and you must be a UK resident aged 18 or over. Offer only available to new Solar and storage customers. After your installation you can choose an initial payment of between 25% and 75% and spread the rest of the cost over 12 months. Terms and conditions apply.