Asia semiconductors: revisiting today's disruptions and tomorrow's challenges

Our revisit of Asia semis' resilience on water access, power security, climate adaptation and cyber resilience suggests the highest resilience at TSMC, followed by Samsung, hynix and Kioxia. Chinese peers generally lag. Our analysis incorporates both long-term exposure and near-term factors such as Middle East energy disruptions and a strong El Niño, with coverage expanded to seven companies – TSMC, Samsung, SK hynix, Kioxia, SMIC, CXMT and YMTC. El Niño heightens the water problem: the strong 2026-27 El Niño cycle is a key near-term risk to the region's water availability, with SMIC and CXMT facing the highest earnings risk while TSMC is best positioned. Taiwan and Korea, the most LNG-dependent markets, have strengthened sourcing and reduced immediate vulnerability to Middle East disruptions, though the longer-term transition challenge is significant as renewables account for just 18% of power consumption on average;