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Income Taxes (Tables)

3 Months Ended

Mar. 31, 2021

Income Tax Disclosure [Abstract]

Schedule of Effective Income Tax Rate Reconciliation

The reconciliation of the statutory federal income tax rate to our effective tax rate for each of the three months ended March 31, 2021 and 2020 is as follows:

			2021						2020
Federal Statutory Rate			21.0		%				21.0		%
Increases (Decreases) in Tax from:
State Taxes on Income, Net of Federal Tax			5.0						5.0
Production Tax Credits (PTCs)			(7.6)						—
Amortization of Excess Deferred Income Taxes			(2.9)						(4.1)
Corporate-Owned Life Insurance			(0.5)						0.7
North Dakota Wind Tax Credit Amortization, Net of Federal Tax			(0.4)						(0.9)
Excess Tax Deduction on Stock Awards			(0.1)						(1.3)
Allowance for Equity Funds Used During Construction			—						(1.0)
Other, Net			0.3						(0.5)
Effective Tax Rate			14.8		%				18.9		%

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- References

No definition available.

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- Definition

Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

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