ONE Nuclear Energy LLC is an independent developer of large-scale energy infrastructure combining natural gas, advanced nuclear, solar, and battery storage, organized around a "Louisiana Development Platform" of multiple projects including a 1 GW multi-unit SMR campus (Project Amberjack) and a separate 2.88 GW natural gas and battery storage project with a co-located data centre campus (Project Cayman). ONE Nuclear is going public via a business combination with Hennessy Capital Investment Corp. VII (NASDAQ: HVII), approved by Hennessy VII shareholders on August 24, 2026, with the combined company expected to list under the ticker ONEN in the second half of 2026.