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Exhibit 27-9

Texas Electric Reliability Council of Texas Boundaries

The ERCOT region serves approximately 75 percent of the land in Texas and 85 percent of the population in Texas. Areas of Texas not within the ERCOT region fall into three different multi-state regional entities. WECC serves the El Paso area, SPP serves the Panhandle and the northeast corner of Texas and SERC serves the southeast corner of Texas.

For more information on this exhibit, please contact the Comptroller’s Data Services Division at 512-463-4900 or at P.O. Box 13528, Austin, Texas 78711-3528.

Source: U.S. Energy Information Administration.

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