The reactor is the product.
Vantar Energy is building VTR—40: a factory-built molten-salt reactor for industries moving faster than the grid.
Power, manufactured.
For decades, nuclear energy has been organized around projects. Custom sites. Custom supply chains. Custom schedules. Each plant starts again.
We are starting somewhere else: one reactor, built repeatedly, with the difficult work moved from the construction site into a controlled production system.
VTR—40
The first Vantar product is a 40 MWe molten-salt reactor designed to provide electricity and high-temperature heat. It operates at low pressure and is designed around passive physical responses.
Customers do not need to become nuclear operators. They need power. Vantar intends to build, deploy, and operate the system as a fleet.
Why now
Compute is accelerating. Industrial electrification is accelerating. Grid expansion is not. Europe needs firm power that can be deployed close to demand and repeated across many sites.
Our work begins with a simple conviction: the next great nuclear company will look as much like a manufacturer as a utility.
Vantar Energy
Europe, 2026