Segment Information

3 Months Ended

Mar. 31, 2013

Segment Information [Abstract]

Segment Information

10. Segment Information

SPS has only one reportable segment. SPS is a wholly owned subsidiary of Xcel Energy Inc. and operates in the regulated electric utility industry providing wholesale and retail electric service in the states of Texas and New Mexico. Operating results from the regulated electric utility segment serve as the primary basis for the chief operating decision maker to evaluate the performance of SPS.

For the three months ended March 31, 2013 and 2012, SPS recognized the following:

• Revenues from external customers of $374.3 million and $340.5 million, respectively;

• Net income of $12.6 million and $11.4 million, respectively; and

• Capital expenditures of $99.2 million and $82.5 million, respectively.

As of March 31, 2013 and Dec. 31, 2012, SPS' total assets were $3.6 billion and $3.5 billion, respectively.