A small island off North Carolina, Ocracoke, has installed 10 first-generation Tesla Powerpacks and a small solar array on the island that will reduce demand charges and maintain reliability when the mainland transmission link goes down. The microgrid provides 1 MW, 1 MWh of storage utilizing a 15 kW solar array. On the island there are less than 1000 residents but it attracts a lot of tourists every summer so constant electricity supply is especially needed then.
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