French renewable power producer and developer Akuo has brought online a 16. The two battery storage facilities installed in Tonga are complementary: the aim of the first 5 MWh / 10 MW battery is to improve the electricity grid's stability (regulating the voltage and frequency), while the second 23 MWh / 7 MW battery is designed to transfer the electrical load in order to. Tonga Power Limited is currently undertaking renewable energy projects, network upgrade projects aswell as Battery Energy Storage projects which all contribute to ensuring Tonga Power provides power that is sustainable, reliable and safe for the people of Tonga. Learn more about our projects plans. The Tonga I projects is the first large-scale battery energy storage system to be built at the Popua power station and will thus contribute to Tonga's 50% renewable energy target. 2MWh battery energy storage system (BESS) in Tonga, several weeks after powering up a 19MWh project in Martinique. The complex consists of the Tonga 1 and 2 facilities, which Akuo installed on behalf of the islands' grid operator Tonga.
