GE Energy to study impact of wind power on Ontario electricity system

Atlanta, GA, June 21, 2006 — GE Energy has signed a contract with the Ontario Power Authority to study the impact of wind power on the Ontario, Canada electricity system.

The study, which also is sponsored by the Independent Electricity System Operator and the Canadian Wind Energy Association, will be used to assist the development of an Integrated Power System Plan (IPSP).

The IPSP will cover a 20-year time frame and will establish direction, strategy, and an action plan for the development and implementation of renewable and other forms of generation and transmission to meet consumer energy supply needs. The ultimate goal of the study is to determine the maximum amount of wind power that could be added to the Ontario bulk power system with minimal impact on system operation.

In executing the study, GE will assess the operational impact of integrating wind power penetration levels of up to 25% to 35% into Ontario’s electricity system. GE will work with AWS Truewind to develop energy production profiles for a number of wind generation sites across Ontario. The variability of wind generation, in combination with load variability, will be quantified and characterized to determine the impact on system operations.

“Studying large penetration levels of wind is an essential step in the process of developing a comprehensive energy strategy for Ontario’s system,” said Dr. Hamid Elahi, general manager of energy consulting for GE Energy.

The study is the third of its kind for GE’s Energy Consulting group. The first was a study of the New York State power grid — assessing how intermittent renewable (specifically wind) generation would impact system reliability, transmission planning and operations, and power market administration in New York.

The second is the in-progress study of the California power grid, which, upon completion, will provide recommendations on operational, financial, market and policy considerations for integrating renewable energy into the California grid.

The Ontario electricity system study will help improve industry understanding of the impact of very large wind penetration levels. The Ontario Power Authority expects the study to be completed by the end of summer 2006.

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