JEM Energy in Farnborough became a 21 Degrees Company in 2024. Founded in 2015 with a mission to bring sustainable energy solutions to homes and businesses across the UK, JEM Energy specialises in solar PV, battery storage, air source heat pumps and EV charging systems.
With a team of experienced engineers, project managers and installers they combine technical skill with a customer-focused approach.
Their tailored energy systems are designed to cut carbon emissions, lower energy bills, and deliver long-term returns. The team’s deep knowledge of renewable systems ensures each installation is optimised for the individual’s home, lifestyle and budget.
