ʻUiha is an island in Lifuka district, in the Haʻapai islands of Tonga. It had a population of 638 in 2006 and an area of . The island has two villages, ʻUiha and Felemea. In September 2022 the island's electricity system was transition from a diesel generator to a solar-battery system with diesel backup. See also List of islands and towns in Tonga References Islands of Tonga Haʻapai