South Korea is poised to make a significant $22.3 billion investment in a natural gas power plant project located in Encinal, Texas. This initiative represents the inaugural project under a broader $350 billion investment commitment Seoul made to the United States as part of a trade agreement. The proposed power plant, with a substantial capacity of 6.3 gigawatts, is designed to address the escalating electricity demand in Texas, driven largely by the rapid expansion of artificial intelligence data centers and advanced semiconductor facilities within the state.
The initial cost estimations for the Encinal project began around $16.8 billion, which later increased to $19.8 billion. During subsequent negotiations, the U.S. side advocated for an investment amount closer to $25 billion, citing additional costs for infrastructure such as water. After extensive discussions, the two nations reached a compromise at $22.3 billion, an amount approximately 33% higher than the initial estimate. This increase in the project's scale has led to some concerns regarding its overall profitability.
To mitigate financial risks associated with a large upfront capital commitment, the project will be developed in stages. The first phase will involve the construction of 1.4 gigawatts of gas turbine capacity. Following this, up to 4.9 gigawatts of more efficient combined-cycle gas generation capacity will be added incrementally, based on evolving electricity demand and the economic viability of each phase. Lewis Energy Group, a U.S. energy company, is expected to participate as the project owner.
While this gas power plant is the immediate focus, discussions are also underway for potential follow-up investments. These include a substantial U.S. nuclear power plant project, where Washington has proposed allocating up to $120 billion from the total investment package to construct as many as eight large nuclear reactors. The memorandum of understanding detailing the investment framework for the Texas gas project is anticipated to be signed as early as September 18, following the completion of remaining negotiations and National Assembly approvals in South Korea.
This investment is strategically important for South Korea, having been pledged in exchange for favorable U.S. tariffs on South Korean goods. The electricity generated by the Encinal plant could be sold to ERCOT, the Texas power grid operator, or supplied directly to nearby AI data centers through long-term power purchase agreements, aiming to secure stable cash flow and reduce exposure to price volatility. The operating agreement for project-specific investment special-purpose vehicles (I-SPVs) established for this project is expected to serve as a guideline for future U.S. investments from South Korea, including those in nuclear power and other energy infrastructure projects.
