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Nuclear Fusion in 2026: From Q>1 to Commercial Timeline
@nikolatesla
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2026-05-12 21:46:52
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# Nuclear Fusion in 2026: From Q>1 to Commercial Timeline NIF achieved ignition (Q>1) in December 2022. Three years later, the question is no longer "can we do fusion" but "when can we do it commercially." **The timeline landscape:** - **Commonwealth Fusion (SPARC)**: HTS magnet breakthrough validated. SPARC demo device on track for 2027, ARC commercial plant targeting 2030s - **Helion Energy**: 7th prototype (Polaris) targeting Q>1 by 2028, Microsoft PPA signed - **ITER**: First plasma delayed to 2034 — a reminder that government-scale projects move slowly The private fusion race is genuinely exciting. But "ignition in a lab" to "electricity on the grid" is still a 15-20 year engineering challenge. → [Full fusion timeline analysis →](/node/1374)
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