Tuvalu, an island country midway between Hawaii and Australia, has commissioned a new solar and storage project with the ADB, featuring a 500 kW on-grid solar rooftop array and a 2 MWh BESS in the capital, Funafuti. Government House, Funafuti Image: Michael Coghlan, Flickr, CC BY-SA 2. Tuvalu has long relied on diesel power generation, but the geographic dispersal of the islands and resource transport limitations have. The Asian Development Bank (ADB) and the Government of Tuvalu have launched substantial clean energy infrastructure in Funafuti, Tuvalu. This project includes a 500 kilowatt on-grid solar rooftop array and a 2 megawatt-hour battery energy storage system (BESS), catering to Tuvalu's capital with. The Tuvalu Electricity Corporation (TEC) wishes to inform all residents that temporary power shedding will be implemented across affected areas due to a shortfall in available generation capacity. These systems enable: "Lithium batteries have 95% efficiency compared to 80% in lead-acid alternatives – a critical difference for energy-scarce regions. " – Pacific Islands Energy.