NY Power Authority Awards Contract For New Computer
Monitoring and Control Equipment For Its Blenheim-Gilboa Pumped Storage
February 23, 2005
FOR IMMEDIATE RELEASE
NEW YORK—The New York Power Authority (NYPA)
Trustees Wednesday approved a major contract for new computer monitoring
and control equipment for the Authority’s Blenheim-Gilboa Pumped Storage
Project in Schoharie County, in anticipation of a major program to
modernize and extend the life of the hydroelectric facility.
NYPA conducted a competitive review of proposals
from several companies before selecting Siemens Power Transmission and
Distribution of San Jose, Calif., for purchase of the supervisory
control and data acquisition (SCADA) equipment. Siemens, which submitted
the low bid, will deliver the equipment prior to the start of the
four-year, $135 million Life Extension and Modernization (LEM) program,
which is scheduled to officially begin in September 2006.
The amount expended by NYPA for the new monitoring
and control equipment is not to exceed $875,000, under the terms of the
trustees’ authorization of the Siemens contract.
The existing SCADA equipment needs to be replaced in
order to have an up-to-date expandable system for handling additional
requirements from the LEM program.
Blenheim-Gilboa’s operators use SCADA to monitor and
control not only the operation of the 1,040,000-kilowatt (kw) project
but also the facility’s 345-kilovolt switchyard, transmission system
stations in central New York, and several small-hydro facilities by
rivers and reservoirs in the area.
The LEM program will involve renovation of Blenheim-Gilboa’s
four turbine- generators, with the first unit to be completed by May
2007. The program will include replacement of many of the major
mechanical and electrical components, and maintenance and repairs to
virtually all other parts.
After the first turbine-generator, the work on the
remaining three units will occur in successive years, in 2007, 2008 and
2009. The schedule calls for the entire project to be completed in May
The work on each unit will require that the water
level of the project’s upper reservoir, on top of Brown Mountain, be
reduced each fall to permit replacement of spherical valves that control
the flow of water into the powerhouse.
Blenheim-Gilboa produces power during periods of
peak power demand by drawing water from Schoharie Creek and recycling it
between two large reservoirs. More than three-quarters of the facility
The project has been in operation since 1973.