Three advanced nuclear developers-Radiant, Last Energy, and ARC Clean Technology-announced the closing of major private funding rounds in mid-December 2025, signaling renewed investor momentum behind microreactors and small modular reactors (SMRs) as the companies move from design and licensing into pilot deployment and early commercialization. The announcements-which span a new $300-million-plus round at Radiant, an [...]The post Advanced Nuclear Developers Raise New Capital as 2025 Investment Hits Record Levels and Demonstrations Near appeared first on POWER Magazine.