The energy provider, which mainly serves Hong Kong Island and Lamma Island, also warned on Friday that the fuel surcharge was expected to continue going up “in the coming months”.
HK Electric announced it would adjust its fuel clause charge for June to 31.3 HK cents per unit of electricity, up from 26 HK cents in May and an increase of 20.4 per cent.
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“The adjustment begins to reflect the significant rise in international fuel prices arising from the Middle East war. However, due to the ‘deferred effect’, the current level has yet to fully capture the changes in fuel costs,” the company said.
“The [fuel surcharge] is expected to continue to increase in the coming months.”
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HK Electric’s net tariff, which refers to the total price paid by consumers, is generally calculated by combining the basic tariff and the fuel clause charge.
The fuel clause charge is revised automatically on a monthly basis to take into account the average actual fuel costs over the preceding three months.