Xcel Energy 2006 Annual Report Download - page 18

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8
and New Mexico. The wholesale customers served by SPS comprised approximately 37 percent of SPS’ total Kwh sales in 2006.
Approximately 77 percent of SPS’ retail electric operating revenues was derived from operations in Texas during 2006.
In October 2005, SPS reached a definitive agreement to sell its delivery system operations in Oklahoma, Kansas and a small portion of
Texas to Tri-County Electric Cooperative. Effective July 31, 2006, SPS completed the sale to Tri-County Electric Cooperative for
$24.5 million, and a gain of $6.1 million was recognized. SPS now provides wholesale service to Tri-County Electric Cooperative.
Other Subsidiaries
WGI was incorporated in 1990 under the laws of Colorado. WGI is a small interstate natural gas pipeline company engaged in
transporting natural gas from the PSCo system near Chalk Bluffs, Colo., to the Cheyenne system near Cheyenne, Wyo.
In 1999, WYCO Development LLC (WYCO) was jointly formed with a subsidiary of El Paso Corporation to develop and lease new
natural gas pipeline and compression facilities. Xcel Energy plans to invest approximately $145 million in WYCO between 2007 and
2009. The WYCO pipeline project is expected to begin operations in 2008 and the WYCO storage project is expected to begin
operations in 2009. The new pipeline and storage projects will be leased to Colorado Interstate Gas Company, a subsidiary of El Paso
Corporation. The terms of the lease agreement of the new pipeline and storage projects will be based on FERC regulation and it is
anticipated that they will be approved by the FERC as a component of the certificate filing to be made by the Colorado Interstate Gas
Company.
Xcel Energy’s nonregulated subsidiary in continuing operations is Eloigne.
See financial information regarding the segments of Xcel Energy’s business at Note 17 to the Consolidated Financial Statements.
In the past, Xcel Energy had several other subsidiaries that were sold or divested. For more information regarding Xcel Energy’s
discontinued operations, see Note 2 to the Consolidated Financial Statements.