5 Biggest European Energy Companies

3. Uniper
Revenue: $269.37 Billion
Uniper is a leading European power plant operator and global energy trader based in Germany that was spun off from E.ON in 2016.
In terms of power production, Uniper operates around 33 GW of generating capacity in Europe and Russia and the company intends its power business to be carbon neutral by 2035. Uniper is also investing in hydrogen. The company says, “In addition, we design and implement innovative, climate-friendly solutions that propel cities, utilities, and industrial enterprises on their decarbonization journeys. Being an acknowledged hydrogen pioneer gives us the ambition to operate worldwide along the entire hydrogen value chain and to conduct projects that will help make hydrogen a mainstay of tomorrow’s energy supply. In sum, Uniper’s purpose is to Empower Energy Evolution”