Updated on 11/03/25 by Bradley_OVO
What is Battery Boost?
Battery Boost is our new solar battery add-on. It uses our smart charging technology to allow us to top up your battery when your solar panels aren’t generating enough electricity from the sun.
What are the benefits?
- We’ll continue to charge your battery even when the sun isn’t shining, at an exclusive rate of 10p per kWh, meaning you can power your home for 58% cheaper than your usual rate*.
- Our smart charging tech ensures that your battery will be charged at time’s when the grid is using cleaner energy**.
How does it work?
- We use energy and weather data to predict when your battery will need to be topped up.
- We'll charge your battery when energy is cheaper and greener, leaving room for your solar power when the sun's out.
- We'll work out the energy that we've used to charge your battery each month and add credit to your account in the first 7 working days of the following month.
This means the cost of powering your battery reflects the 10p per kWh rate for Battery Boost.
For example, let’s say your standard electricity rate is 28p per kWh. The Battery Boost rate is 10p per kWh. We’ll credit you 18p (the difference between the rates) for each kWh you’ve used to top up your battery.
Here’s what one of our Battery Boost customers had to say about using this add on:
“‘Battery Boost has been doing exactly as it says, a boost to our finances. The system decides when to charge the battery from the grid and we get the benefits of cheaper electricity during these winter months. We are saving an average of £50 per month with this solution, so it will help to make the overall system pay for itself even quicker than the 9 years we were expecting.’”
With Battery Boost, your battery could save you money and cut carbon, even when it’s not storing energy from your solar panels. Our clever tech tops up your battery when the grid is using more renewable power. So you get greener electricity*** – better for you, your wallet and the planet.
Eligibility
- We’re launching this to anyone who’s had their solar panels and battery installed by OVO. Currently only customers with a GivEnergy battery are eligible.
- This isn’t currently available for customers on Charge Anytime or Heat Pump Plus, but we’re working on making this possible.
You can sign up to Battery Boost here. We’re also working to open this up to everyone with a solar battery, regardless of the type of battery or who installed it. If you’re not eligible yet, you can still register your interest, and we’ll get in touch when your set-up is compatible.
If you have any feedback for us please let us know.
Thanks
The OVO Team
*You'll pay our Battery Boost rate of 10p per kWh for any electricity used to top up your battery when OVO call on the battery to charge. If you override the controls and charge the battery from the grid, you'll be charged your standard electricity unit rate.
**Our smart tech aims to charge your battery when the grid has more renewable energy in it, at periods of lower demand. Meaning it’s less likely your battery will be charged by energy from fossil fuels.
***You'll pay our Battery Boost rate of 10p per kWh for any electricity used to top up your battery when OVO call on the battery to charge. If you override the controls and charge the battery from the grid, you'll be charged your standard electricity unit rate.
