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Why renewables alone cannot deliver energy security for S-E Asia

Asean countries should go beyond diversification of oil import sources

    • Energy security requires diversification across fuels, technologies and equipment, backed by stronger regional institutions and coordination.
    • Energy security requires diversification across fuels, technologies and equipment, backed by stronger regional institutions and coordination. PHOTO: PEXELS

    DeeperDive is a beta AI feature. Refer to full articles for the facts.

    Published Tue, Apr 14, 2026 · 07:00 AM

    THE effective closure of the Strait of Hormuz on Feb 28, 2026, disrupted the world’s access to roughly 25 per cent of its daily seaborne oil supply overnight.

    After US-Iran peace talks failed to reach a deal on Sunday (Apr 12), US President Donald Trump announced a blockade of Hormuz and threatened to interdict any vessel that had paid Iran’s toll.

    For Asean, a region built on open shipping lanes and imported fuel, the shock is rippling from Manila to Bangkok. Recent developments only heighten the urgency of energy security.

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