Linking isles’ energy grids will save money, state says

A proposal to connect the electrical grids of Maui and Oahu with an undersea cable would save utility ratepayers on both islands an average of 6 cents a kilowatt-hour over the life of the project by increasing the amount of renewable energy that could be tapped and allowing the two grids to operate more efficiently, a state official said Tuesday night at a state Public Utilities Commission meeting.

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