The Duck Curve#washington
Helion closes at $500M, Hyundai joins CFS, Trump Media files for TAE
Helion said it closed its Thrive Capital-led Series G at $500 million in September 2026, up from a $465 million initial close announced June 4, and Commonwealth Fusion Systems said on September 10 that Hyundai Motor Group invested in the $1 billion round it announced July 30. Trump Media filed its S-4 for the all-stock TAE Technologies merger on September 30; the registration is not yet effective, and the merger agreement's end date is December 18, 2026.
Hexagon leases geothermal rights on 145,000 acres of Weyerhaeuser forest
Hexagon Energy announced on September 10, 2026 that it has leased the geothermal rights on approximately 145,000 acres of Weyerhaeuser timberland in Washington and Oregon and says the portfolio could bring over 3 GW of power online once operational. The release names no project site, schedule, or technology. Weyerhaeuser optioned nearly 667,000 acres of geothermal rights to AltaRock Energy in 2008, and the largest plant on the Oregon Department of Energy's geothermal list is 22 MW.
