Japan Considers Funding Next-Generation Nuclear Reactors in the U.S.

Following a commitment of $550 billion in investment to the United States, Japan is considering funding the construction of next-generation nuclear reactors as part of a second round of projects. The potential investment underscores a deepening economic partnership focused on critical energy infrastructure.

U.S.-Japan Investment Framework

In July 2025, the U.S. And Japan established a framework agreement for Japanese investment in U.S. Industries. This agreement, formalized through tariff negotiations, outlines a process where a U.S. Committee selects projects for potential funding by Japan. A joint U.S.-Japan committee then reviews these selections before final consideration by President Donald Trump [1].

Potential Nuclear Investments

Reports indicate that the construction of several next-generation nuclear reactors is under consideration for funding. An announcement regarding these projects could occur during a meeting between Prime Minister Sanae Takaichi and President Trump in Washington next month [2].

Previous Investment Commitments

Japan initially committed to investing $550 billion in the U.S. In September 2025. A portion of this commitment, estimated between $80–$100 billion, was partially allocated to a U.S. Nuclear project involving Westinghouse for the construction of nuclear reactors [1]. The deal also includes investments from Hitachi GE Vernova to build small modular reactors (SMRs) [1].

Japan’s Role in Nuclear Technology

Japan possesses significant capabilities in manufacturing nuclear reactor parts, particularly those requiring heavy forging of large metal components, a capability the United States currently lacks [1]. In 2024, the U.S. Imported approximately $1.4 million worth of nuclear reactor parts from Japan, representing nearly 20 percent of its total nuclear reactor part imports [1].

Broader Investment Areas

Beyond nuclear energy, Japan’s $550 billion investment pledge encompasses critical minerals, power infrastructure, and other strategic sectors. Specific investment targets include up to $100 billion for Westinghouse, $100 billion for SMR construction with GE Vernova Hitachi, $50 billion for engineering and procurement services with Bechtel and Kiewit, and $25 billion for GE Vernova to supply power equipment [2].

U.S. Government Ownership of Reactors

The U.S. Government plans to purchase and own as many as 10 new, large nuclear reactors potentially financed by Japan’s $550 billion pledge [3].