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ALLIANT ENERGY CORP

For the period ended Mar 31, 2026. Filed May 1, 2026.

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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, 2026 · Filed May 1, 2026

LNT$73.46+1.1%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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. Revenues

NOTE 7. REVENUES

Disaggregation of revenues from contracts with customers is provided for each reportable segment (IPL and WPL), as well as by customer class within electric and gas sales, as follows (in millions):

Alliant EnergyIPLWPL
Three Months Ended March 31202620252026202520262025
Electric Utility:
Retail - residential$332$323$160$155$172$168
Retail - commercial2212131421357978
Retail - industrial240237123119117118
Wholesale3548—143534
Bulk power and other60321274825
Total Electric Utility888853437430451423
Gas Utility:
Retail - residential16214575738772
Retail - commercial867335325141
Retail - industrial763343
Transportation/other161691076
Total Gas Utility271240122118149122
Other Utility:
Steam (a)—10—10——
Other utility2322—1
Total Other Utility213212—1
Non-Utility and Other:
Travero and other2322————
Total Non-Utility and Other2322————
Total revenues$1,184$1,128$561$560$600$546

(a)IPL was engaged in the generation and distribution of steam for two customers in Cedar Rapids, Iowa, which were each under contract through 2025 for taking minimum quantities of annual steam usage. Subsequent to December 31, 2025, IPL exited the steam business.

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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.