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Island Powered By a Solar Energy

The island of Ta’u in American Samoa, located more than 6437 km from the West Coast of the United States is almost entirely powered by a solar microgrid. It features a 5,328 solar panel array that covers 1.4 ha and has an output of 1.4 MW. There are a 60 Tesla Powerpacks that provide 6 MWh of battery storage. These can be fully recharged by seven hours of sunlight and can keep the island powered for three full days without sun.

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Prior the island had been using diesel generators. It was environmentally-unfriendly and the island was at the mercy of shipping deliveries. It is expected to save of 498,000 l of diesel a year. It makes energy more affordable for the people and makes energy cleaner and safer.

The project was funded by the American Samoa Economic Development Authority, the Environmental Protection Agency, and the Department of Interior and took one year to implement. The video below provides an overview of the project.

Source: SolarCity