CFS raises $1.8B Series B led by Tiger Global to build SPARC

Commonwealth Fusion Systems

CFS closed more than $1.8B in Series B funding led by Tiger Global Management, with notable investors including Bill Gates and Google. The capital will build, commission and operate SPARC, the company's commercially relevant net-energy fusion demonstration, and begin work on ARC, its first commercial power plant.

• $1.8B+ Series B led by Tiger Global; total funding since 2018 now over $2B
• Investors include Bill Gates, Google, John Doerr, Marc Benioff, Breakthrough Energy Ventures, Khosla Ventures, Temasek
• Funds support SPARC construction and operation, ARC commercial plant development, site identification and partnerships