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Transmission Impact Study: Seneca Compressed Air Energy Storage Project (New York State Electric & Gas)
Author:
WorleyParsons
Year:
2011
Abstract:

A Compressed Air Energy Storage (CAES) generation facility is proposed for construction in the New York State Electric Gas (NYSEG) service area near the city of Watkins Glen close to the west shore of Seneca Lake. This facility is to be connected to the nearby 115kV transmission system. During power system off peak times the plant would take energy from the transmission system and compress air into a below ground cavern. During system peak loading periods the compressed air would be used to generate electricity.
This study was performed to provide a preliminary assessment of the impacts of the proposed plant on the power system facilities in the area. From the impact assessment, generation and compression load levels were chosen to maximize generation output while minimizing negative impacts and their resultant mitigation costs. The study results indicate that a generation level of 210 MW and a compression load of 170 MW are appropriate for the CAES plant.
The study results indicate that the operation of the CAES plant in either the 210 MW generating or 170 MW compressing mode is acceptable. This analysis was conducted assuming no contingencies. With contingencies the expectation is the CAES plant would be limited to certain input and output power levels that would be controlled administratively.

Document Type:
Report
Source:
Smartgrid.gov