Fusion energy in 2026: a crash course
A sourced crash course on fusion energy: tokamaks, stellarators, laser fusion, HTS magnets, private companies and the frontier as of October 2026.
Fusion energy
Tokamaks, stellarators, laser fusion and the private race to put fusion power on the grid.
Fusion energy tracker: milestones toward fusion power
A dated, sourced timeline of fusion energy milestones: NIF ignition shots, ITER assembly, SPARC, Helion, stellarator records, funding and regulation.
Commonwealth Fusion Systems
Helion Energy
High-temperature superconducting fusion magnets
ITER
National Ignition Facility (NIF)
Stellarator
Tokamak
Wendelstein 7-X
When will fusion power reach the grid? The 2026 debate
Fusion's engineering wall: tritium fuel and neutron-proof materials
How fusion works
Magnetic vs inertial fusion: the main ways to confine a plasma