Hawaii to use residential batteries, energy management to relieve solar grid congestion

The small island of Molokai in Hawaii has a colorful past, including hosting a leper colony until 1969. However, it is now going to be home to a very different kind of experiment. Last Friday Hawaiian Electric Companies (HECO) announced a new pilot program to utilize energy management and storage to allow more customers to interconnect solar PV systems on Molokai. HECO notes that the level of solar PV systems already installed or approved for installation on Molokai is among the highest in Hawaii. Further, as the island has only 7,000 inhabitants and occupies 670 square kilometers, its small grid poses additional technical challenges. The company's search for solutions to the technical issues raised in reviews has led it to contract with local Hawaiian company E-Gear for the installation of its Energy Management Control (EMC) and storage technology, which it says will enable up to 10 PV systems stuck in the interconnection queue to move forward. E-Grid says that its EMC is designed to minimize the ...

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