South Korean semiconductor firms plan $518 billion in new chip plants as AI demand surges, officials say

South Korean officials on June 29 defended a large-scale plan to expand semiconductor production after questions were raised about whether the country’s southwest can meet the expected needs for power and water as artificial intelligence demand accelerates. The plan centers on an overall investment of $518 billion in new chip plants, aimed at maintaining and expanding supply for next-generation computing.

The announcement, reported by PBS NewsHour, comes as South Korea seeks to scale production capacity for advanced chips used in AI systems. Government officials said the manufacturing build-out is intended to address “soaring AI demand,” reflecting both global competition in semiconductors and the domestic need to sustain industrial output.

In response to scrutiny, officials dismissed concerns about infrastructure constraints, including whether the region has sufficient electricity generation and transmission capacity for energy-intensive semiconductor fabrication. They also addressed questions about water availability, a recurring issue for fabs because many manufacturing processes require tightly controlled supplies and treatment systems.

The report highlighted that semiconductor plants require extensive permitting and coordination with utilities and local authorities, including infrastructure upgrades that can take years. It also underscored that public questions about resources such as power and water are not limited to construction timelines, but can also affect ongoing local services and environmental compliance.

While the investment figure is positioned as a major step in meeting future chip demand, the practical timeline for when facilities will come online depends on approvals, grid expansion, and utility planning. The reported exchange suggests that authorities anticipate additional oversight as projects move from planning to construction.

The scale of the planned investment also carries significant implications for government budgeting and regulation. Semiconductor expansions can increase demand on public infrastructure, raise scrutiny of water management and industrial emissions controls, and intensify coordination between national authorities, provincial governments, and utility providers.

As companies move to finalize site selections and permitting, residents and local governments in the impacted southwest areas may continue to press for clarity on how power and water needs will be met without disrupting existing communities. Officials are expected to provide additional answers as infrastructure assessments and environmental requirements proceed.