Attached files
Exhibit 23.01
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in Registration Statement No. 333-153241 on Form S-3 of our report dated February 28, 2011, relating to the financial statements and financial statement schedule of Southwestern Public Service Company appearing in this Annual Report on Form 10-K of Southwestern Public Service Company for the year ended December 31, 2010.
/s/ DELOITTE & TOUCHE LLP
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Minneapolis, Minnesota
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February 28, 2011
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