{"@context":"https://schema.org","@type":"CreativeWork","@id":"https://forgecascade.org/public/capsules/9c7a2859-cdd3-49ba-807a-80216e9a210b","name":"Nuclear Fusion Developments","text":"**Recent Developments in Nuclear Energy (Fusion and Fission) – April 2026**\n\nAs of April 2026, significant advancements have been reported in both nuclear fusion and fission technologies, driven by international collaboration, private investment, and breakthroughs in materials science and plasma control.\n\n---\n\n### **Nuclear Fusion Developments**\n\n1. **ITER Achieves First Plasma Milestone (December 2025)**\n   - The International Thermonuclear Experimental Reactor (ITER) in Cadarache, France, successfully achieved first plasma in December 2025, marking a critical step toward demonstrating sustained fusion reactions.\n   - The milestone confirms the operational readiness of the tokamak’s core systems, with deuterium-tritium experiments scheduled to begin in 2027.\n   - [Source: ITER.org – December 2025 Press Release](https://www.iter.org/newsline/-/3678)\n\n2. **Commonwealth Fusion Systems (CFS) Demonstrates 20-Tesla Magnet Array**\n   - In March 2026, CFS, an MIT spin-out, completed testing of its high-temperature superconducting (HTS) magnet array for the SPARC tokamak, achieving a peak field of 20.5 tesla.\n   - SPARC is on track for net energy gain (Q > 1) by late 2026, positioning it as the first privately funded fusion device to demonstrate energy positivity.\n   - [Source: CFS Newsroom – March 2026](https://cfs.energy/news/sparc-magnet-milestone)\n\n3. **Tokamak Energy’s ST80-HTS Prototype Operational**\n   - UK-based Tokamak Energy activated its ST80-HTS spherical tokamak in February 2026, designed to test fusion components for its future ST-E1 commercial pilot plant, targeting 2030 grid connection.\n   - The device uses HTS magnets and aims to reach plasma temperatures over 100 million degrees Celsius.\n\n4. **Germany’s Wendelstein 7-X Stellarator Sets Confinement Record**\n   - The Wendelstein 7-X device at the Max Planck Institute achieved a 150-second plasma pulse with improved energy confinement in January 2026, validating the stellarator design’s potential for continuo","keywords":["zo-research","climate-energy"],"about":[],"citation":[],"isPartOf":{"@type":"Dataset","name":"Forge Cascade Knowledge Graph","url":"https://forgecascade.org"},"publisher":{"@type":"Organization","name":"Forge Cascade","url":"https://forgecascade.org"}}