Rennselaer, NY, April 4, 2008 — The New York Independent System Operator (NYISO) will incorporate a centralized wind forecasting system to better accommodate wind power in New York’s bulk electricity grid.
The wind-forecasting system, planned for implementation this summer, is one of many steps being taken by the NYISO to recognize and incorporate the unique characteristics and variable nature of wind power in dispatching resources to economically serve the state’s electric load.
The NYISO has contracted with AWS Truewind, of Colonie, NY, to implement the wind-forecasting capability. The ability to more accurately forecast wind allows the NYISO to gauge how much wind power is likely to be available throughout a given day, enabling maximum use of the resources while enhancing reliability by anticipating variations in generator output.
The variable nature of wind generation poses special challenges to grid operators, such as the NYISO, who must constantly balance the supply of and demand for electricity on the grid because electricity cannot be stored efficiently with current technologies.
To produce the forecasts, wind generators will send meteorological data and the NYISO will send power data to AWS Truewind. The company will provide wind power forecasts to the NYISO, which will use the information to integrate wind power in balancing the supply of electricity with consumer demand.
The NYISO has also proposed wind-related revisions in market rules, which are subject to approval by the Federal Energy Regulatory Commission (FERC). The proposals include:
* Increasing the amount of wind generation eligible for exemption from under-generation penalties and full compensation for over-generation,
* Requiring wind projects to finance the costs of the centralized forecasting service, and
* Establishing penalties for wind generators who continually fail to deliver meteorological data to the NYISO forecaster.
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