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Income Taxes (Tables)

6 Months Ended

Jun. 30, 2012

Earliest Open Tax Years Subject to Examination by State Taxing Authorities in the Major Operating Jurisdictions

As of June 30, 2012, Xcel Energy's earliest open tax years that are subject to examination by state taxing authorities in its major operating jurisdictions were as follows:

State		Year
Colorado		2006
Minnesota		2008
Texas		2007
Wisconsin		2007

Reconciliation of Unrecognized Tax Benefit

A reconciliation of the amount of unrecognized tax benefits is as follows:

(Millions of Dollars)	June 30, 2012		Dec. 31, 2011
Unrecognized tax benefit - Permanent tax positions	$	4.4	$	4.3
Unrecognized tax benefit - Temporary tax positions		28.1		30.4
Unrecognized tax benefit balance	$	32.5	$	34.7

Tax Benefits Associated with NOL and Tax Credit Carryforwards

The amounts of tax benefits associated with NOL and tax credit carryforwards are as follows:

(Millions of Dollars)		June 30, 2012				Dec. 31, 2011
NOL and tax credit carryforwards		$	(31.7	)		$	(33.6	)

- Definition

Tabular disclosure of tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities (i.e., uncertain tax positions) and other types of income tax contingencies, including: (1) the policy on classification of interest and penalties; (2) a tabular reconciliation of the total amounts of unrecognized tax benefits at the beginning and end of the period; the total amount(s) of: (3) unrecognized tax benefits that, if recognized, would affect the effective tax rate, and (4) interest and penalties recognized in each of the income statement and balance sheet; (5) for positions for which it is reasonably possible that the total amounts unrecognized will significantly change within 12 months of the reporting date the: (i) nature of the uncertainty, (ii) nature of the event that could occur that would cause the change, and (iii) an estimate of the range of the reasonably possible change or a statement that an estimate of the range cannot be made; and (6) a description of tax years that remain subject to examination by major tax jurisdictions.

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- Definition

Tabular disclosure of income tax examinations that an enterprise is currently subject to or that have been completed in the current period typically including a description of the examination, the jurisdiction conducting the examination, the tax year(s) under examination, the likelihood of an unfavorable settlement, the range of possible losses, the liability recorded, the increase or decrease in the liability from the prior period, and any penalties and interest that have been recorded.

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