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ALLIANT ENERGY CORP

For the period ended Mar 31, 2024. Filed May 3, 2024.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Mar 31, 2024 · Filed May 3, 2024

LNT$73.24-0.3%Stored close · as of Nov 10, 2026

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. Income Taxes

NOTE 9. INCOME TAXES

Income Tax Rates -Overall effective income tax rates for the three months ended March 31, which were computed by dividing income tax expense (benefit) by income before income taxes, were as follows. The effective income tax rates were different than the federal statutory rate primarily due to state income taxes, production tax credits, amortization of excess deferred taxes and the effect of rate-making on property-related differences.

Alliant EnergyIPLWPL
202420232024202320242023
Overall income tax rate(7%)(1%)(19%)(18%)6%12%

Deferred Tax Assets and Liabilities -

Carryforwards -At March 31, 2024, the carryforwards and expiration dates were estimated as follows (in millions):

Range of Expiration DatesAlliant EnergyIPLWPL
State net operating losses2025-2044$403$6$1
Federal tax credits2032-2044685462214
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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.