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Sep 23, 2025
A Leader in The Clean Energy Transition
- Conowingo
- Generation
- Generation
- Clinton
- GridBeyond
Constellation is the nation’s largest producer of carbon-free energy and provides sustainable solutions to homes, businesses, and public-sector customers across the continental United States.
At Constellation, we are accelerating the transition to a carbon-free future. We’re delivering our low-carbon or no-carbon power to more people in more places, as well as providing our customers and communities with options to buy, manage, and use clean energy as part of their decarbonization mission.
Discover how we have become the nation’s leader in reliable, carbon-free energy: learn more about our credentials, our value proposition, our commitment to always-on clean energy, and the industry trends positioning Constellation to lead the transition to a carbon-free future.
We provide 10 percent of carbon-free power in the United States, nearly 90 percent of the energy we produce is carbon-free, and we have reduced our emissions footprint by 80 percent since 2005. As a long-time industry leader, we are committed to further accelerating the transition to more sustainable energy while maintaining reliability.
