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Income Taxes

3 Months Ended

Mar. 31, 2023

Income Tax Disclosure [Abstract]

Income Taxes

Income TaxesThe reconciliation of the statutory federal income tax rate to our effective tax rate for each of the three months ended March 31, 2023 and 2022 is as follows:

			Three Months Ended
			2023									2022
Income Taxes at Federal Statutory Rate			$	15,915		21.0		%				$	18,823		21.0		%
Increases (Decreases) in Tax from:
State Taxes on Income, Net of Federal Tax			3,789			5.0						4,482			5.0
Production Tax Credits (PTCs)			(4,655)			(6.1)						(3,967)			(4.4)
Amortization of Excess Deferred Income Taxes			(798)			(1.1)						(1,177)			(1.3)
North Dakota Wind Tax Credit Amortization, Net of Federal Tax			(164)			(0.2)						(200)			(0.2)
Allowance for Equity Funds Used During Construction			(51)			(0.1)						(93)			(0.1)
Other, Net			(732)			(0.9)						(238)			(0.3)
Income Tax Expense / Effective Tax Rate			$	13,304		17.6		%				$	17,630		19.7		%

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- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 21
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32857-109319

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-Name Accounting Standards Codification
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-Section S99
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-Publisher FASB
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