Philippines to the highest in the world since the Iran war began, according to customs data cited by Reuters. Amid soaring electricity prices and a supply crunch in fossil fuels, many Filipinos have opted to install rooftop solar panels over the past three months. The spending on solar panels in the Southeast Asian country, which has been one of the worst-hit Asian economies in the energy supply crisis triggered by the Middle East conflict, topped $407 million between March 1 and May 31, per China customs data compiled by Reuters.