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California ISO Wind Generating Forecasting

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Extract:

This article outlines a major California ISO-led project that aims at incorporating wind power generation into the California Energy Market and providing state-of-the-art forecasting services for participating wind power producers. Wind power is a highly intermittent resource that cannot be bidden competitively in a traditional market due to scheduling problems. The paper describes a unique market arrangement that makes this possible. The central part of this initiative is a provision that deviations between metered and scheduled energy for participating intermittent resources will be averaged across a calendar month, and paid or charged based on the weighted average market clearing price over that month. On March 27, 2002, the Federal Energy Regulatory Commission (FERC) approved the Proposal and ordered the California ISO to report on the program in 16 months. This success was a result of a collective effort of a large group of people representing different organizations and working together in the Intermittent Resources Working Group. Without pretending that the authors were the only ones who made the entire job, this paper provides a brief description of the principles developed by the Group, which allow the wind power producers to exploit all benefits of the California Energy Market.

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