Non-Wires Alternatives
NYSEG deployed a 1 MW/2.9 MWh battery energy storage system on its Stillwater distribution circuit to defer a traditional transformer upgrade serving 1,270 residential and small commercial customers. The non-wires alternative addresses chronic overload and low-voltage conditions while deferring the wires solution for 10 years, with the battery system installed and operated by a third-party developer roughly 1.8 miles from the substation.
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AI overview
NYSEG's Stillwater substation serves approximately 1,270 residential and small commercial customers via a substation and distribution circuit where overload conditions and power quality (i.e., low voltage) issues are identified system needs. NYSEG issued an RFP in July 2017 requesting responses from qualified developers with the capability to deliver innovative solutions to defer or avoid the need for the construction of the traditional transformer upgrade project. Proposed NWA solution(s) were required to address NYSEG's responsibility to provide safe and reliable service at reasonable costs and in an environmentally sound manner. After an in-depth analysis, NYSEG chose to meet the identified project needs through a developer installed and operated 1 MW/2.9 MWh battery energy storage solution located roughly 1.8 miles from the Stillwater substation on the 4.8 kV distribution circuit. The project aims to defer for 10 years the implementation of the traditional wires solution which would upgrade and replace the existing transformer and upgrade the distribution circuit. The project has a proposed in-service date in 2023.
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Proposal Document
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