SPARC (tokamak)

Common card · No. 353755

SPARC is a tokamak under development by Commonwealth Fusion Systems (CFS) in collaboration with the Massachusetts Institute of Technology Plasma Science and Fusion Center. Funding has come from Eni, Breakthrough Energy Ventures, Khosla Ventures, Temasek, Equinor, Devonshire Investors, and others. Through SPARC, CFS plans to verify the technology and physics required to build a power plant based on the ARC fusion power plant concept. SPARC is designed to achieve this with margin in excess of scientific breakeven (fusion energy gain factor Q > 1) and may be capable of achieving up to 140 MW of fusion power for 10-second bursts despite its relatively compact size. The project is scheduled to start operations in 2026, with the goal of demonstrating first plasma in 2027 and scientific breakeven (Q > 1) shortly after that. It was initially scheduled for operation in 2025 after completing a magnet test in 2021.

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