Mitsubishi Corporation Invests in Commonwealth Fusion Systems, a US Fusion Energy Start-up from MIT
Massachusetts, USA, September 2, 2025 – (JCN Newswire) – Mitsubishi Corporation (“MC”) is pleased to announce its participation in a third-party allotment of shares by Commonwealth Fusion Systems LLC (Headquarter: Massachusetts, USA, Representative: Bob Mumgaard, “CFS”), a fusion energy start-up originating from MIT *1. This investment was made in collaboration with a consortium of 12 Japanese companies *2 (“Japanese Consortium”). In the field of fusion energy, this investment builds on MC’s previous investment in Kyoto Fusioneering Ltd., announced on May 17, 2023.
*1 Massachusetts Institute of Technology
*2 MC, Mitsui & Co., Ltd., Kansai Electric Power Co., Inc., JERA, Mitsui O.S.K. Lines, Ltd., JGC, Development Bank of Japan, Inc., NTT Corporation, Fujikura Corporation, Sumitomo Mitsui Banking Corporation, Sumitomo Mitsui Trust Bank, Limited, Mitsui Fudosan Co., Ltd.
Fusion energy is produced when two light nuclei, typically deuterium and tritium, collide to form a single heavier nucleus, helium. This is the same process that powers the Sun and other stars. Since no carbon dioxide is emitted during power generation and the fuel is abunda