American Samoan island powered by solar-storage microgrid

An island that forms part of American Samoa is now being powered almost exclusively by a solar-storage microgrid.
Tesla
Tesla and its newly acquired SolarCity have used a combination of solar power and a battery storage-enabled micrgrid to achieve the feat.


The island of Ta’u located more than 4,000 miles from the U.S. West Coast had long-suffered power rationing and outages. However, the island is now powered by clean-energy, SolarCity said in a post about its latest project with Tesla.

The microgrid consists of a 1.4 megawatt solar array and 6 megawatt hours of battery storage from 60 Tesla Powerpacks. The project was completed within a year.

The microgrid replaces the more than 109,500 gallons of diesel the remote island imported every year to power generators and would be more reliable, likely eliminating the need for power rationing.



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