CAPITAL·1 min read·May 23, 2026
X-energy Raises $1B, Targets IPO Amid AI Data Center Demand
Nuclear startup X-energy secured $1 billion in pre-IPO funding, led by Ares Management, to commercialize its advanced SMRs and meet the surging 24/7 energy demands of AI data centers.
X-energy, a nuclear energy startup, raised $1 billion in a pre-IPO funding round. Ares Management led the round. The company develops advanced small modular reactors (SMRs) and aims for a traditional Initial Public Offering (IPO). This capital will finance its IPO path and accelerate SMR technology commercialization. Surging energy demand from AI data centers drives X-energy's strategy.
Quick takeaways
- Strategic Pre-IPO Capital: X-energy raised $1 billion in a pre-IPO funding round. Ares Management led the round. The company aims for a traditional IPO, having withdrawn plans for a SPAC merger.
- AI-Driven Energy Demand: X-energy's SMRs address the continuous, high-power needs of AI data centers. CEO Clay Sell stated intermittent renewables cannot provide this 24/7 power.
- Technology Differentiation: X-energy develops Xe-100 SMRs. Each Xe-100 generates 80 MWe. The reactors use TRISO-X fuel, engineered to be meltdown-proof.
- Government Backing: X-energy received a $1.2 billion award from the U.S. Department of Energy (DOE) for its Advanced Reactor Demonstration Program (ARDP).
The Billion-Dollar Bet on Nuclear Power
X-energy, a developer of advanced small modular reactors (SMRs), raised $1 billion in
