China’s power exports to Asean countries surged more than 40 per cent in the first half of the year, customs data showed, helping to buffer the region against volatility in energy markets triggered by tensions around the Strait of Hormuz. The increase also highlighted China’s growing role as a regional energy supplier at a time when geopolitical tensions have renewed concerns over energy security. China exported 2.39 billion kilowatt-hours of power to the Association of Southeast Asian Nations...