5 Biggest Power Generation Companies in the World

4. Uniper

Total TTM revenue (in billions): $292.8

Total market cap as at 1st March 2023 (in billions): $25.1

One of the largest power generation companies in the world, and the second biggest in terms of revenue alone, Uniper has had to take a 4 billion euros hit after losing any control over its Russian subsidiary. In 2022, Uniper was involved in a multi-billion euro bailout in 2022, and posted a loss of 19 billion euros last year.