Bristol-based Powersystems specialises in the design and installation of high-voltage electrical infrastructure. Founded by Mike Wilsmore and Derek Earby in 1977, the company works across sectors including: renewable energy, electric vehicle charging, and power generation. To date, Powersystems has connected over six gigawatts of renewable technology and decarbonisation energy systems to the UK grid. Driven by an increase in the number of renewable energy schemes, particularly wind farms being built, Powersystems’ revenue grew to £47.1m in 2021.