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Income Taxes (Tables)

9 Months Ended

Sep. 30, 2024

Income Tax Disclosure [Abstract]

Effective Income Tax Rate Reconciliation

The effective income tax rate varies from the U.S. federal statutory rate principally due to the following:

			Three Months Ended September 30,												Nine Months Ended September 30,
			2024						2023						2024						2023
U.S. federal statutory rate			21.0		%				21.0		%				21.0		%				21.0		%
(Decrease) increase due to:
State income taxes, net of federal income tax benefit			4.8						4.3						1.1						4.1
Qualified NDT fund income and losses			8.2						(2.6)						6.6						4.7
Amortization of ITC, including deferred taxes on basis differences			(0.3)						(0.5)						(0.2)						(0.5)
PTCs and other credits			(8.1)						(0.6)						(8.1)						(0.6)
Noncontrolling interests			0.1						0.7						0.1						0.3
Other			1.6						0.6						0.5						0.4
Effective income tax rate			27.3		%				22.9		%				21.0		%				29.4		%

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- References

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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://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 231
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-231

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-12A

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-12

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