This report, issued by the Utilities Regulatory Authority (the Authority), provides an electricity market update for Vanuatu for May 2025 for electricity utilities regulated by the Authority. While total power generated decreased by 1.98% from April 2025, power sales had decreased by 4.43%. There was an increase in wind energy and solar energy contributions during the month, hydro remained steady. Diesel remained the dominant generation source, supplying 82.31% of electricity. During the month, fuel prices in Santo decreased, prices in Efate recorded a slight increase, while Malekula and Tanna experienced significant price rises. Electricity tariffs for the month stood at 62.22 Vatu/kWh for UNELCO and 58.32 Vatu/kWh for VUI Ltd.