SSE 

SSE plc operates across the entire electricity value chain, encompassing generation, transmission, distribution, and supply. Its power stations utilize diverse sources including hydro, natural gas, coal, oil, and other multi-fuel technologies. The company serves approximately 3.8 million homes and businesses, distributing electricity across northern central Scotland and central southern England. It also holds responsibility for the high-voltage electricity transmission network in northern Scotland and its remote islands, overseeing its ownership, operation, and development. Beyond its electricity operations, SSE plc is also active in the natural gas sector, handling its production, storage, distribution, and supply. Its broad scope of activities further includes utility and electricity contracting, telecommunications, energy trading, insurance, property management, and maintenance provision. Founded in 1989 and based in Perth, United Kingdom, SSE plc adopted its current name in September 2011, having previously been known as Scottish and Southern Energy plc.