Overview

• The IFMIF-DONES facility officially began construction on May 19, 2025, with a ceremony in Escúzar attended by Spanish and international officials.
• The Spanish Council of Ministers approved €174 million for the design and construction of the project, with funding shared equally between the Spanish government and the Junta de Andalucía.
• Japan has committed to contributing 5% of the construction budget, approximately €35 million, while Croatia will also provide 5% of the total funding.
• The facility will feature a 100-meter-long particle accelerator housed in a reinforced concrete bunker designed to simulate fusion conditions for materials testing.
• Operations are expected to begin in 2034, with the first materials-testing results anticipated by 2038 to support global fusion projects like DEMO and ITER.