Genbright, Ice Energy partner to cut peak electricity demand on Nantucket

Genbright, a New England-based company specializing in the development and operation of new clean energy technologies, and Ice Energy, a provider of distributed thermal energy storage for utilities, have partnered to help reduce Nantucket’s peak energy demand using Ice Energy’s energy storage solution.

The Massachusetts Department of Energy Resources awarded Genbright and Ice Energy a contract to provide over 200 residential behind-the-meter energy storage solutions on Nantucket using Ice Energy’s proprietary Ice Bear 20 technology.

Genbright will perform real-time dispatch of the Ice Bears to deliver over 1 MW of peak demand reduction, which is equivalent to one year of growth in electricity demand on the island.

Over 200 Ice Bear units will be installed on Nantucket, beginning in summer 2017. The goal of the project is to prove how new energy storage technologies can be deployed as “non-wires alternatives” to defer the need for a third undersea cable to Nantucket, which is expected to cost between $75-100 million. The total value of this project is about $3 million.

Replacing standard residential AC units, the Ice Bear provides a solution to the problem of peak electricity demand. An Ice Bear freezes water into ice at night when demand for power is low and electricity is abundant. During the day, the ice is used to provide air conditioning instead of energy-intensive AC compressors. Ice Bear systems also reduce CO2 emissions.

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