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Cohocton Wind is a 125MW wind farm sited across the hilltops of a designated agricultural district in New York State’s Finger Lakes Region. The $150 million project involved installation of 50 Clipper Liberty 2.5MW Wind Turbines, two substations, transmission lines, and access roads. Cohocton Wind is owned and operated by Canandaigua Power Partners, an LLC created by developer First Wind. The site provides enough energy to supply 50,000 homes in the Northeastern US.
Under a $7.5 million contract with MSE Power Systems, O’Connell constructed the project’s two collection substations, overhead collection lines, ten miles of pole supported overhead 115kV transmission line, and the New York State grid point of interconnect 230kV switchyard. Construction began in winter involving site clearing, excavation, and pole setting on the steep, rugged slopes of the Bristol Hills. The combination of our experience and fleet of specialized all-terrain equipment and track vehicles enabled us to meet the challenges of the project and complete work within the construction window, even with numerous scheduling, weather, and site access setbacks.
The overhead transmission line O’Connell constructed connects Cohocton Wind’s two collection substations on opposing sides of New York Interstate 390. Our crossing of the interstate coincided with that of another large area construction project which we successfully managed simultaneously without interruption to either. Throughout the project, O’Connell was able to utilize the regional railroad system for delivery of poles as well as removal of logs from site clearing.
Project management on the ground and back at the office maintained strong working relationships with area government and regulatory officials as well as regular communications with resident land owners to facilitate successful construction activities. Our experience working within agricultural districts and our utilization of local forces helped breakdown barriers that could have further inhibited construction progress.
O’Connell’s Technical Services Division commissioned elements of the system to ensure they met with the interconnecting utility’s standards and specs. We remained engaged in the project past our contractual obligations to provide counsel and help ensure a seamless energization of the system.