Alaska LNG investment: Trump announces $54 billion South Korean pledge

The Alaska LNG investment is the latest big-ticket deal from Washington. President Donald Trump announced on 30 September that South Korea will invest about $54 billion in an Alaska natural gas export project.

What the Alaska LNG investment would build

The plan centres on an 807-mile pipeline. It would link Alaska’s North Slope to a liquefied natural gas export terminal in southern Alaska. Construction would take three years. Exports would begin two years after that. Full completion depends on financing approval.

South Korean reports of the same day said the package also covers eight nuclear power plants. It adds a gas-fired power plant in Texas that was planned earlier.

Where the money comes from

The pledge flows from a 2025 trade deal. South Korea promised $350 billion in US investments. In return, Trump cut tariffs on Korean goods to 15 per cent. A report before the announcement said the White House expected a total near $200 billion across US projects.

The political backdrop

The timing drew attention. This was the second major foreign investment announcement in three days. On Monday Trump had touted a $15 billion Iowa steel plant. Both projects sit in states where Republican Senate candidates face competitive races. They are Dan Sullivan in Alaska and Ashley Hinson in Iowa.

Trump credited his own work on the projects and thanked Sullivan. Critics will say that links policy to campaigning. Supporters will say jobs and energy security are real. Both can be true.

The caveat that matters

Announcements are not shovels in the ground. Financing is contingent. Pipelines of this size face long permitting, cost and market tests. Gas buyers must also sign contracts before lenders commit.

For Seoul, the logic is energy security and trade relief. For Washington, it is jobs and exports. Both governments also manage other tensions. Our report on the Xi Jinping trade truce visit shows how crowded the trade agenda is. See PBS NewsHour for the announcement.

Fact basis: PBS NewsHour, SBS News (Korea), Anchorage Daily News and WSAU/Reuters (30 September 2026). The $200 billion figure was pre-announcement reporting.