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Broomfield, Colo.-based Renewable Energy Systems Americas Inc. (RES Americas) has announced the operation of its first energy storage system.

RES Americas says it conceived, developed and constructed the energy storage system, which it will own and operate. Located in Sunbury, Ohio, the system comprises a 4 MW/2.6 MWh lithium battery that will provide frequency regulation to grid operator PJM Interconnection.

The project, the company adds, utilizes lithium iron phosphate and consists of two containers that house batteries weighing approximately 20 tons each, as well as a third container that converts direct current output to alternating current for the grid. The equipment was supplied by BYD America.

RES Americas anticipates delivering the company's second 4 MW system in June for Canadian grid operator IESO.


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