Blenheim-Gilboa pumped storage project returned to service

New York Power Authority President Richard M. Kessel said the Blenheim-Gilboa Pumped Storage Power Project has been returned to service amid a major overhaul designed to extend the life of the 1,160-MW hydroelectric facility.

The hydropower plant, in the Northern Catskill Mountains of New York, was shut down in September to refurbish the last of four pump-turbine generators. During the shut down, workers replaced a spherical valve on the unit that is currently being refurbished.

Three of the generating units have been returned to service as workers continue to refurbish the fourth unit, which is expected to resume service in June 2010, NYPA said. It is part of the final phase of a $135 million overhaul. (HydroWorld 9/11/09)

“The equipment improvements at the Blenheim-Gilboa project will contribute to the continued efficiency and effectiveness of this key generating facility,” Kessel said. “The work will maximize the electricity output from the water harnessed by the project and ensure that this clean generating facility continues to provide reliable service for decades ahead.”

NYPA began upgrading Blenheim-Gilboa in September 2006 when the first of the four units was shut down for refurbishing. NYPA said the improvements would allow the facility to produce more power from the same amount of water while extending reliable service.

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