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Balance of Power

Large grids can integrate more wind—without major burdens.

Fortnightly Magazine - May 2011

wind and solar generation capacity into the grid. And providers will be able to do so in a manner that doesn’t place a large burden on the balancing authority’s ability to plan bulk power operations in its area—particularly if the FERC-proposed rule on transmission scheduling is fully adopted.

 

Endnotes:

1. Use of Frequency Response Metrics to Assess the Planning and Operating Requirements for Reliable Integration of Variable Renewable Generation, December 2010, Lawrence Berkeley National Laboratory, LBNL-4142E, pg. 25.

2. Control Performance Standard (CPS) is defined as the reliability standard that sets the limits of a Balancing Authority’s control error over a specified time period. The CPS1 has a time period of one minute and CPS2 has a time period of 10 minutes. For wind projects, the CPS2 standard is more difficult to meet. For more detail on this standard, see “ Standard BAL-001-0.1a—Real Power Balancing Control Performance .”

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