Map of Magnox Reactors

Magnox nuclear reactors hold significant importance in the history of nuclear energy. Developed in the mid-20th century, they were the world’s first nuclear power plants designed for large-scale electricity generation. These reactors utilized natural uranium as fuel and magnesium-alloy cladding, hence the name “Magnox.” They played a pivotal role in pioneering nuclear technology, providing a reliable and low-carbon energy source for decades. Magnox reactors also contributed to advancements in reactor design and operational safety, influencing the development of modern nuclear energy systems. While now largely decommissioned, their legacy highlights the potential of nuclear power in addressing global energy demands sustainably. Find out where all Magnox reactor sites are located, and what goes on at each of them, on our interactive map of Magnox reactors.