The small island nation of Palau in the western Pacific Ocean has moved a step closer to having what is said to be the largest ever microgrid spanning diesel, solar and battery energy storage.
A 30-year power purchase agreement (PPA) has been signed with France-based ENGIE EPS, a microgrid and energy storage specialist arm of power giant ENGIE. The project was originally developed by US-based distributed energy provider GridMarket.
The system, known as ‘Armonia’, will include existing diesel generation alongside up to 35MW of solar, for which land has already been secured, and up to 45MWh of battery storage. On completion the Palau grid will then have an installed power capacity of 100MW and renewables will account for more than 45% of the country’s demand. Much of the current diesel usage will be displaced, thus reducing carbon emissions and generating substantial savings on Palau’s energy bill.
Palau is targeting 45% renewables by 2025 and a 22% reduction in its energy sector emissions below 2005 levels and the new microgrid is expected to help the island nation reach that goal five years ahead of schedule. The archipelago of several hundred islands in Micronesia had a population of 17,889 in 2017, according to an ENGIE EPS presentation.
GridMarket’s contribution to the project included deploying its machine-learning platform and predictive analytics to map out a national energy transition strategy specifically for Palau. It later selected ENGIE EPS to implement the project.
Construction is expected to begin by the end of this year with commissioning forecasted before the end of 2019. It has been funded by the International Renewable Energy Agency (IRENA) and Japan International Cooperation Agency (JICA).
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