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, 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, 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

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.

EV Charging & Heat Pump Solutions

Plugging our customers into a more sustainable energy future through EV charger point and heat pump installation.

Plug Me In

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.

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.

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