Energy Storage

The Hawai‘i Natural Energy Institute (HNEI) is actively involved with several issues of energy storage.  One important aspect relates to the increased utilization of renewable resources by electric utilities in the State of Hawaii.  Some of these resources (such as solar and wind energy) are intermittent and this can present the problem of storing the energy generated when it is not needed, so that it can subsequently be used when it is needed.   Among the possible options for storing such energy, HNEI is working with the use of: 1) batteries for energy storage, and 2) electrolyzers operating on solar and wind energy for generating hydrogen which can be stored and then used to drive fuel cells for generating energy as needed, as possible in HNEI’s Hawaii Hydrogen Power Park.  Details concerning specific projects using each of these options are presented in the sections of our website listed below (see also the section on Grid Storage Systems under Grid Systems):    

Another aspect concerning energy storage is the matter of advanced batteries for use in a variety of applications.  HNEI is also involved in advanced battery research.  For details see the section covering HNEI’s Electrochemical Power Sources.


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