Bringing smarter energy to all
We are Calisen. We own, install and manage essential energy infrastructure assets that offer smarter energy for all.
Through smart metering, data services, solar & battery, EV charging infrastructure, and the electrification of heat, we’re building a more sustainable, smarter world for the next generation.
We're leading the smart energy technology revolution
Energy Infrastructure Pioneers
We lead the way in owning, financing and installing smart metering infrastructure assets right across the UK on behalf of energy suppliers.
Sustainable Solutions
We’re passionate about a sustainable energy ecosystem and using smart meters, solar & battery, EV charging and heat pumps solutions to reduce the nation’s carbon footprint.
Empowering Energy Users
Our innovative technologies, services and financing capability are helping consumers upgrade to smart technology in the home, use less energy and make informed choices.
Our mission is to lead the way in smarter, more sustainable energy
We’re committed to innovating, exploring and pushing the boundaries of what’s possible to deliver the infrastructure and technology that powers our world more sustainably.
Delivering the infrastructure for clean sustainable energy
Our services
Smart Energy Meters
From smart meter asset provision, to installation, maintenance and data collection, we‘re experts in helping energy companies drive the use of smart energy.
SaaS Data Platform
Advizzo is a market-leading SaaS platform with multiple solutions. A world leader in its ability to turn smart meter data into proven impact at scale.
Renewable Technology
Plugging our customers into a more sustainable energy future through solar & battery, EV charger point and heat pump installation.
Watch our brand video
We're racing to build a smarter future
We can’t carry on living the same way. There’s no time to waste. The transition to the smart energy future has to happen. Fast! As one of Great Britain's largest owner and manager of smart meters, Calisen are leading the race. At Calisen, we are building a smarter world for the next generation. We are delivering smarter energy for all.
Latest News
Driving sustainability forward
Playing our part in the UK’s climate goals
Calisen Impact is actively helping the UK achieve its climate targets. Discover how our initiatives are aligned with national goals to create a greener, more sustainable future.
Smart energy is here to stay. Don’t get left behind.
Any questions or to find out more, complete the form and one of our energy experts will be in touch.