NuScale Power Corporation, working with the U.S. Department of Energy, has launched the world’s first nuclear reactor that can produce 200 tons of hydrogen every single day. The new system developed by NuScale uses advanced nuclear technology to create hydrogen on a massive scale.
Hydrogen is a clean fuel that can power vehicles, industries, and even homes without releasing carbon into the atmosphere. But until now, producing 200 tons of hydrogen in large quantities has been difficult and often harmful to the environment due to fossil fuel use.
“This achievement shows how nuclear technology can lead the fight against climate change,” said Dr. José Reyes, Chief Technology Officer at NuScale Power. “We are proving that clean hydrogen production at this scale is not only possible but also sustainable.”
The company’s Small Modular Reactor, or SMR, plays a role in this breakthrough. The system doesn’t just produce 200 tons hydrogen. It also has the ability to provide electricity and clean water at the same time. This multi-purpose design could help solve several global problems, including energy shortages and water scarcity.
At NuScale’s headquarters in Corvallis, the company has also installed the world’s first fully integrated hydrogen production simulator. This simulator allows operators and engineers to train in real-time, managing the complex systems of nuclear energy and hydrogen production together.

It uses advanced tools such as GSE’s JTopmeret and JLogic platforms and features Reversible Solid Oxide Fuel Cells. These cells can create electricity, hydrogen, and clean water all at once.
“Operators can now learn in a real-world environment before moving to actual reactors,” a NuScale spokesperson said. “This level of training is very rare in the hydrogen sector, and its combination with nuclear technology is something the world hasn’t seen before.”
The simulator is not only for internal use. NuScale plans to make it available to universities and energy companies. This will help train a new generation of workers who can run the next wave of clean energy plants around the world.
NuScale’s technology goes far beyond energy and hydrogen. Their SMR systems have already shown they can desalinate seawater, producing up to 150 million gallons of clean water daily with zero emissions. In larger systems using 12 reactors together, this setup could supply drinking water to over 2 million people while also providing enough electricity for 400,000 homes.
The most exciting innovations is the system’s ability to recycle brine left over from desalination. For example, working with the U.S. Department of Energy’s Pacific Northwest National Laboratory, NuScale is developing a process to turn this salty waste into hydrogen feedstock. As a result, this eliminates the need for traditional electrolysis and reduces freshwater use.
“This is a win-win for energy and water sustainability,” Dr. Reyes added. “We’re solving two global crises with one integrated solution.”
Energy experts say this breakthrough could change how the world views nuclear power. Wind and solar are important for green hydrogen production. However, they are often unreliable because of weather changes. Nuclear energy provides a steady and constant power supply. This makes it perfect for supporting high-temperature electrolysis systems. These systems need stable operations.
NuScale’s modular reactors are also small enough to be transported easily. They can be installed in regions that need decentralized, low-carbon energy solutions. This makes them ideal for countries with limited infrastructure or for industries that want to cut their carbon emissions.
The company’s plans envision a future. In that future, nuclear reactors are not just for electricity. They are also for hydrogen production, desalination, and other industrial uses. This could help reduce greenhouse gas emissions, fight water scarcity, and support global efforts to reach net-zero targets.
“This isn’t just a step forward for nuclear power,” said an energy analyst watching the project closely. “It’s a leap towards a sustainable, interconnected energy future. In that future, we can meet multiple needs at once. And we can do it without harming the environment.”
Hey, look at NuScale’s press release (NuScale Advances Clean Water and Hydrogen Production with Breakthrough Research) about this. It is a SIMULATOR and not in production. The stated capabilities are speculative.