South Korea Nears $100 Billion US Energy Investment for AI Infrastructure

American and South Korean media outlets are reporting that Seoul is prepared to announce a $100 billion energy investment package in the United States, financing up to eight nuclear power plants and a massive natural gas facility to power artificial intelligence data centers. Yet South Korea's Ministry of Trade, Industry and Energy maintains that these reports are premature. In a formal statement addressing the leaks, the ministry noted that "consultations between Seoul and Washington were continuing, making it difficult to confirm specific details" regarding the investment amounts or nuclear construction. The tension between the leaked figures and the official denials highlights the high stakes of a deal that would fundamentally reshape both the U.S. power grid and the bilateral trade relationship.[1][2][3]

The most immediate and detailed component of the proposed package centers on a 6.3-gigawatt combined-cycle natural gas power plant slated for Encinal, Texas. Valued at approximately $22.3 billion, the facility is designed specifically to meet the surging electricity demands of regional AI server farms. If finalized at that scale, the Encinal plant would rank among the most powerful gas-fired generation facilities globally, injecting critical baseload capacity into the Texas grid. The massive scale of the facility reflects the unprecedented energy requirements of modern data centers, which are increasingly overwhelming existing local utility infrastructure.[4]

To manage the substantial upfront capital risks associated with a $22.3 billion fossil fuel project, initial reports suggest the Encinal facility would be developed in sequential phases. The electricity generated by the plant could be sold directly to the Electric Reliability Council of Texas or supplied through dedicated purchase agreements to nearby technology campuses. However, Washington has not yet issued detailed confirmation of the financing structure, leaving open questions regarding whether Seoul intends to shoulder the entire financial burden or share the costs with American corporate partners.[4]

Beyond the Texas gas project, the broader $100 billion framework envisions South Korea financing the construction of as many as eight new nuclear reactors on U.S. soil. The initial reactors would reportedly utilize the AP1000 design from American firm Westinghouse Electric, ensuring that domestic engineering firms capture a significant portion of the capital. Subsequent units could potentially deploy the APR1400 design developed by South Korea's state utility, KEPCO, blending the nuclear supply chains of both nations. This nuclear component alone could account for tens of billions of dollars, representing a massive infusion of capital into the American nuclear sector.[2][3]

These energy investments are not isolated commercial ventures; they are the required mechanism for South Korea to fulfill its obligations under a sweeping trade agreement struck with U.S. President Donald Trump last October. Under that pact, the United States agreed to lower tariffs on South Korean imports—most notably on automobiles—from 25 percent to 15 percent. In exchange, South Korean President Lee Jae-myung pledged $350 billion in U.S. manufacturing investments and an additional $100 billion specifically earmarked for American energy purchases and infrastructure.[2][3]

Implementation of the October trade agreement has faced persistent delays over the past year, drawing mounting frustration from the White House. The lack of finalized, shovel-ready projects prompted President Trump to threaten a restoration of the higher 25 percent tariffs in January if capital did not begin flowing into U.S. infrastructure. The pressure to demonstrate tangible progress has accelerated the current negotiations, with South Korea reportedly preparing an initial payment of more than $2 billion before the end of September if the energy framework is formally approved.[2][3]

The proposed investments represent a strategic alignment of vulnerabilities between the two nations. South Korea, heavily dependent on export markets for its automotive and electronics sectors, requires the 15 percent tariff cap to maintain its competitive position in North America. Conversely, the United States is facing an acute shortage of the clean, firm baseload power required to sustain its leadership in artificial intelligence development. By directing its trade-pact capital into nuclear and gas generation, Seoul is effectively underwriting the physical infrastructure that the American technology sector needs to expand.[2][3]

The investments are expected to be deployed over several years, requiring extensive regulatory reviews and parliamentary approval in Seoul before construction can begin. The White House and the U.S. Commerce Department have declined to comment on the ongoing negotiations, while KEPCO and Westinghouse remain silent citing the sensitive nature of the active discussions. The immediate next step rests with the South Korean legislature, which must approve the special-purpose investment vehicles before the initial $2 billion payment can be transferred at the end of September.[1][2][3]