Published On: April 1, 2016

D. Watson, M. Rodgers, Displacing Diesel Peaker Usage with 1 MW/2 MWH Storage System, presented at Energy Storage Association Meeting, Charlotte, North Carolina, April 2016


The Wind Energy Institute of Canada (Institute) is located on Prince Edward Island (PEI), Canada. PEI has a peak load of 260 MW and an installed wind capacity of 204 MW, which produces over 40% of the Island’s load. Despite this, during high load and low wind, the 200 MW interconnect to the mainland is overloaded and local diesel peaker plants are used to offload the submarine cable. This interconnect is scheduled to be expanded to 560 MW by December 2016. The Institute owns and operates a 10 MW Wind R&D Park which includes a 1 MW/2 MWh Battery Energy Storage System (BESS). The BESS is used in a variety of use-cases to understand the technical and economic impacts of storage. In this case, we are examining the technical and financial implications of using energy storage to displace peaking units.

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