
General Fusion’s LM26 demonstration machine is operational and targets 1–10 keV plasma milestones with a 50% commercial–scale diameter, while the company secured the top spot in TIME’s 2026 GreenTech list. It plans a $1 billion merger with Spring Valley Acquisition Corp. III to become the first publicly traded pure-play fusion company.
General Fusion was selected as the world’s leading GreenTech company for 2026 out of more than 8,300 contenders, highlighting its progress toward viable fusion energy. This accolade provides external validation of the company’s technical roadmap and elevates its profile among clean energy investors.
The Lawson Machine 26 (LM26) is now operational, compressing plasma with a lithium liner at 50% commercial-scale diameter. It is designed to achieve sequential milestones of plasma heating from 1 keV to 10 keV and ultimately satisfy the Lawson criterion for net energy gain.
General Fusion’s proposed business combination values the deal at roughly $1 billion and would create the first publicly traded pure-play fusion company. The transaction is expected to list on Nasdaq under the ticker GFUZ and secure capital to advance LM26 toward a first-of-a-kind fusion power plant.