X-Energy Secures $700M Series D to Expand SMR Supply Chain

Why It Matters

The massive capital influx accelerates X‑energy’s path to commercial SMR deployment, positioning the firm as a leading contender in the U.S. nuclear renaissance and providing corporate buyers with a low‑carbon baseload option for data centers and industrial operations.

Deal Summary

Nuclear startup X-energy announced a $700 million Series D round, bringing its total funding to $1.8 billion. The round was led by Jane Street with participation from a slate of investors, aiming to build out the supply chain for its small modular reactors.