Why choose Calisen?
For more than two decades, Calisen has been shaping the UK’s smart energy landscape. What began with Calvin Capital and Lowri Beck two pioneers of smart metering has evolved into one company with a shared vision, united under the Calisen name.
Today, that legacy of expertise and innovation drives us forward. With the acquisitions of Advizzo, MapleCo, and Utility Warehouse Home Services, we are accelerating our growth as one of the UK’s largest providers of energy transition technology for homes and businesses.
