Commonwealth Fusion Systems (CFS) announced on Thursday that it would receive $85 million from the U.S. government to develop advanced chips for the fusion power industry.

Fusion power startups have been racing to complete their first demonstration devices, with CFS aiming to turn on its Sparc reactor sometime next year. But building one reactor is just a proof point. If fusion startups want to build dozens of commercial power plants, they’ll need more durable power electronics and a robust supply chain.

The new CHIPS Act award from the Department of Commerce, which also grants the government a stake in CFS, will help boost R&D and manufacturing capacity for semiconductors in the U.S., the company said.

“Ultimately, that means a more capable, economical power plant and a stronger U.S.…