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Iberdrola SA, operating under the ticker IBE, is a multinational electric utility company primarily engaged in the production, distribution, and trading of electricity. The company operates across various sectors including renewable energy, networks, and liberalized markets, focusing on sustainable energy projects. Founded in 1992 and headquartered in Bilbao, Spain, Iberdrola has grown to be a leader in renewable energy, advocating for cleaner energy solutions worldwide.

Constellation Energy spun off from Exelon in 2022 and is now the largest US independent power producer. After acquiring Calpine in 2026, Constellation owns 55 gigawatts of power generation capacity. Constellation is the largest nuclear plant owner in the US with 22 GW of nuclear power generation capacity in six states. It also owns 4 GW of renewable energy projects. Constellation's retail energy business serves 2.5 million customers.