The primary function of WattJoules is to provide a secure and reliable storage for locally generated energy. Our unique storage unit can be positioned on the floor and can easily serve a household with 3-4 bedrooms at optimal capacity. Inside the box, you will find the latest storage technology and a smart inverter charger, while its built-in colour display will allow you to easily control key settings. In a nutshell, this is a piece of state-of-the art technology that will save you money every day!


Electricity consumption ofhousehold / specific devices /RES generation


Understand the true behavior of your electrical appliances


Enjoy an energy bill reduction, a CO 2 reduction and inhance your standard of living


Our smart grid ready solution allows you to share energy - peer to peer

Advantages of Watt JOULES

  • On grid/off grid capacity
  • Single phase or 3-phase system
  • New or retrofitted installation
  • Easy to install
  • Parallel operation up to 180 kVA
  • Battery capacity up to 80kWH/400 kWH

Product data sheet downloads

With a few details about your home, we can simulate how much a Wattstor system can save on your bills.

Wattstor are award-winning experts in the design and installation of bespoke renewable energy systems for both domestic and commercial customers.