Industry Analysis
Samsung and SK Hynix’s KRW 320 trillion pledge in Gwangju is less about capacity and more a calibrated pressure tactic on Seoul’s energy policy. Advanced fabs consume over 150 GWh per 10k wafer starts monthly; relying on intermittent renewables risks yield instability that directly erodes margins. Their joint push for nuclear restarts, LNG-based cogeneration, and liberalized PPAs aims to secure low-cost baseload power—forcing a revision of Korea’s Basic Plan for Electricity Supply and accelerating PPA market reform. TSMC’s Arizona fab, backed by long-term nuclear PPAs from Taiwan, China, already enjoys predictable power costs. If Korea delays, its edge in advanced packaging and HBM supply chains will erode. Within 18 months, absent concrete infrastructure delivery, this initiative risks becoming a political showcase; if fulfilled, it could redefine global semiconductor manufacturing’s energy paradigm.
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