If the technology can be proved, the project promises to supply about 400 megawatts of electricity -- enough energy to power about 150,000 homes.

Gov. Glenn Youngkin announced plans for what would be the world's first fusion power plant, though some experts are still skeptical.

Commonwealth Fusion Systems, a private company spun off from the Massachusetts Institute of Technology, plans what it calls the world's first grid-scale fusion power plant in Virginia, to generate power by the early 2030s,