Nuclear generation

Entergy Nuclear is a business unit of Entergy Corporation that employs nearly 3,000 highly skilled and dedicated professionals. We have a proud history of supplying clean, emissions-free nuclear electricity for our nation.

With nuclear power, we can help solve the challenge of climate change and meet the growing demands of our nation’s energy needs.

Our nuclear safety culture is strong and our performance record has proven us to be a clean, reliable and affordable provider of electricity.

We’re dedicated to improving the lives of our customers, our communities and the environment. As a community partner, we are invested in the economic success of the towns, schools and families we support in four states.

View our fact sheet

Our nuclear sites

We own, operate and support a fleet of five reactors in four locations in the Southern United States. Our fleet generates approximately 5,000 megawatts of clean, carbon-free electricity to power millions of homes and businesses.

Link to: Arkansas Nuclear One

Arkansas Nuclear One Units 1 and 2

Near Russellville, Arkansas

Link to: Grand Gulf Nuclear Station

Grand Gulf Nuclear Station

Port Gibson, Mississippi

Link to: River Bend Station

River Bend Station

St. Francisville, Louisiana

Link to: Waterford 3 Steam Electric Station

Waterford 3 Steam Electric Station

Killona, Louisiana

Recent nuclear news

Arkansas Nuclear One’s adopted son heads to the Olympics: Clayton DeClemente skates for Team USA

For more than 20 years, Vinnie DeClemente has worked in the nuclear power industry. When he started working for the New York Power Authority back in September 1991, he learned early that success, whether at work or in life, comes from preparation and being able to adapt. What he didn’t know then was that those same lessons would one day help his family navigate a completely different world — the 2026 Winter Olympics.

Meet the Pros: Mark Coleman

Behind the scenes at Waterford 3 Steam Electric Station, every repair, replacement and upgrade depends on one crucial team: the warehouse. And for nearly two years, Mark Coleman, senior material operator, has been one of the steady hands keeping that system moving safely and efficiently.

Marsh joins Energy Evolution podcast to discuss future of nuclear power industry

Entergy Chair and CEO Drew Marsh recently joined S&P Global Commodity Insights’ “Energy Evolution” podcast to share his perspective on the future of the nuclear power industry as the recently named chair of the board for the Nuclear Energy Institute.

Entergy Nuclear presents $50,000 to Alcorn State University

Alcorn State University’s health physics program received…

Entergy celebrates Nuclear Science Week 2025

Team reaches more than 1,200 students and families with nuclear education  Nuclear Science Week is an international, broadly observed week-long celebration to focus local, regional and international interests on all aspects of nuclear science. 

Meet the pros: Daniel Smith

Daniel Smith is a hardworking instrumentation and controls technician at Grand Gulf Nuclear Station. If you were to ask his fellow coworkers if he knew the value of teamwork, they would say, “Yes, of course.” But after this experience, Smith would not be so sure.