Powering progress behind the scenes
The way we generate, consume and manage energy is changing. As utilities adapt to rising demand, decarbonisation and evolving customer expectations, Calisen provides the infrastructure that helps essential systems become smarter, more connected and more efficient. Through smart metering, asset management and operational services, we help make essential systems smarter every day for millions of homes and businesses across Great Britain.
Rolling-out smarter
We are growing and adapting to support the needs of the UK’s energy and water suppliers and service providers through the financing and provision of smart meters and end-to-end asset management.
Working together
Calisen is standing with communities, schools, and charities. We’re not just funding projects - we’re getting involved and creating connections. Our team believes that a business built on values can deliver real, lasting positive impact for people, places, and the planet.
Racing to zero
Calisen enable businesses and households to transition to smarter energy with zero upfront cost, zero hassle and zero delay. Right now, zero has never meant so much. Every other business wants more, more, more. But to us, zero is everything.
Explore our services
Calisen is the largest owner and manager of smart meters in Great Britain, enabling our clients to save money and reduce their carbon usage.
Supporting our customers beyond initial installation.
Our suite of products that has been designed to help bolster the maintenance and functionality of the smart meter network.
Calisen provides meter reading services and tailored solutions in support of the gas, electricity and water markets.
OUR IMPACT
- 40% OF SMART METERS CURRENTLY INSTALLED IN GREAT BRITAIN ARE OWNED BY CALISEN
- 16M+ METERS THAT WE OWN, TRACK AND MANAGE WITHIN OUR PORTFOLIO
- 6s EVERY 6 SECONDS ONE OF OUR TECHNICANS VISITS A CUSTOMERS HOME
- 7.4M TONNES OF CARBON WILL BE SAVED BY OUR INSTALLED SMART METERS BY 2039
