The competition is now CLOSED! Thank you to all those who entered and good luck! 

Electricity storage and energy efficient products manufacturer, Powervault, has teamed up exclusively with Solar Power Portal to offer readers the opportunity to win a 4kWh Powervault worth £3,000.

Powervault can reduce average domestic electricity bills by 35%, comes with a comprehensive five year warranty, and can be installed in the home within one hour.

If you are an installer in the UK then all you have to do is complete the short survey located here, which takes a few minutes to complete. Upon completion, you will automatically be entered into the prize draw!

The competition ends at midnight on Thursday, 27th October and the winner will be announced on Friday, 28th October, so make sure you fill the survey in before then to be in for a chance of winning.

The survey is designed to better understand how installers and end users are adapting to electricity storage as a new technology for the home.

It is also going to be used to understand how installers and end users see the market developing over the next 6 to 18 months.

Please complete the short survey located here to be automatically entered into the prize draw.