Nuclear power rankings 2026
Lists computed from the same dataset as the map: what is being built, what is largest, what is oldest and what was shut down. Every row links to its plant sheet.
Under construction
Which reactors are being built in 2026, where and for when.
Largest plants
The plants with the most net capacity in operation.
Most powerful reactors
The units with the most MWe net in operation.
Oldest still operating
The reactors with the most years since connection that are still running.
Recent connections
Reactors connected to the grid since 2021.
Shut down
The latest permanent closures and the announced restarts.
Ranking by country
Every country with nuclear power, by operating capacity.
Vendors
Who supplied each reactor's nuclear island: Westinghouse, Framatome, GE, Rosatom, AECL and others.
Year by year
The world fleet in every year since 1954: connections, shutdowns and country ranking. Start with 2026.
Compare two reactors
Two units side by side: capacity, type, dates and load factor.