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South Korea directs $880 billion private buildout into chips and AI data centers

South Korea directs $880 billion private buildout into chips and AI data centers

Money Moves

Seoul's 'Three Mega Projects' aim to double memory-chip output and build a second chip belt in the country's southwest

In 2 days: Gwangju and South Jeolla merge into a special city

Overview

For decades, almost every new South Korean chip plant rose near Seoul. On June 29, 2026, the government told its biggest companies to build the next wave in the poorer southwest instead, and to spend at least 1,350 trillion won — about $880 billion — doing it over ten years.

Samsung and SK Hynix will put roughly 800 trillion won into four new memory-chip fabrication plants. Companies including Naver and SK will add about 550 trillion won for AI data centers. The stated goal is to double the country's memory output in five years while China and Taiwan press for the same ground.

Why it matters

South Korea makes most of the world's advanced memory chips; this buildout decides whether it stays the supplier the AI boom runs on.

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Key Indicators

$880B
Private investment targeted
At least 1,350 trillion won pledged over ten years; some reports put potential commitments near $1.3 trillion.
4 fabs
New memory-chip plants
Samsung and SK Hynix each build two fabs in the Gwangju and South Jeolla region.
8.4 GW
AI data-center target by 2029
Capacity is meant to roughly double to 18.4 gigawatts by 2035.
2x
Memory output goal
The plan aims to double national memory-chip production within five years.
$518B
Semiconductor share
About 800 trillion won of the total goes to the chip-manufacturing belt in the southwest.

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People Involved

Lee Jae Myung
Lee Jae Myung
Driving the 'Three Mega Projects' industrial plan
 Lee Jae-yong
Lee Jae-yong
Committing Samsung to new southwest fabs
 Chey Tae-won
Chey Tae-won
Committing SK Hynix and SK to chips and data centers
 Bae Kyung-hoon
Bae Kyung-hoon
Leading the 'physical AI' pillar

Organizations Involved

Samsung Electronics
Samsung Electronics
Semiconductor and electronics maker
Building two of four new memory fabs

The world's largest memory-chip maker, anchoring the southwest fab belt.
SK Hynix
SK Hynix
Memory-chip maker
Building two of four new memory fabs

The leading supplier of high-bandwidth memory used in AI accelerators.
Naver
Naver
Internet and cloud company
Investing in AI data-center capacity

South Korea's largest internet firm, joining the AI data-center buildout.

Timeline

August 2022 July 2026

5 events Latest: In 2 days
Tap a bar to jump to that date

  1. Gwangju and South Jeolla merge into a special city

    Latest Administrative

    The southwest region set to host the four new fabs combines into a single administrative unit, easing the buildout.

  2. Seoul launches the 'Three Mega Projects'

    Today Announcement

    The government directs at least $880 billion of private investment into four new memory fabs, AI data centers, and physical AI. The goal is to double memory output in five years.

  3. Lee Jae Myung elected president

    Political

    Lee wins a snap election after his predecessor's impeachment, promising to steer growth into provinces outside Seoul.

  4. South Korea unveils Yongin chip cluster

    Industrial Policy

    Seoul backs a giant semiconductor cluster south of the capital, with Samsung as anchor tenant, plus tax-credit incentives.

  5. US CHIPS Act becomes law

    Policy

    Washington commits tens of billions to bring chip production onshore, pressuring allies to defend their own industries.

Historical Context

3 moments from history that rhyme with this story — and how they unfolded.

August 2022

US CHIPS and Science Act (2022)

The United States set aside about $52 billion in subsidies and tax credits to pull semiconductor manufacturing back onto American soil. The law pushed Taiwan's TSMC, Samsung, and Intel to commit to new US fabs.

Then

Chipmakers announced dozens of new US projects, though several later slipped on timelines and labor costs.

Now

It set off a global subsidy race in which governments now compete to anchor chip supply chains at home.

Why this matters now

Seoul's package is the same move on a larger scale: a state steering private capital to keep critical chip capacity inside its borders.

1987–2020s

Taiwan's rise as the chip foundry hub (1987 onward)

Taiwan backed TSMC and a dense supplier network around Hsinchu, turning a small island into the maker of most of the world's advanced logic chips. State support, talent, and clustering compounded over decades.

Then

TSMC grew into a contract-manufacturing giant that the largest tech firms depend on.

Now

Taiwan's chip dominance became a strategic asset that shapes global trade and security calculations.

Why this matters now

South Korea wants to defend its own version of that dominance in memory chips, the field where it leads, by building a second cluster before rivals close the gap.

2014–present

China's 'Big Fund' semiconductor push (2014 onward)

Beijing poured hundreds of billions through its National Integrated Circuit Fund to build a domestic chip industry and cut reliance on imports. Progress was uneven, with corruption probes and US export controls slowing advanced production.

Then

China expanded mature-node output sharply but stayed behind on cutting-edge chips.

Now

The effort made China a growing competitor in memory and legacy chips, pressuring incumbents like Samsung and SK Hynix.

Why this matters now

China's memory ambitions are part of why Seoul is moving now; the plan names competition from China and Taiwan as the reason for the buildout.

Sources

(4)
CNBC Al Jazeera The Korea Herald CNN Business