What ALLIANT ENERGY CORP's SEC filings said

10-Q for 2026Q3, filed 30 Oct 2026, and 1 8-K since. Each line is something a filing stated, ranked by score and linked to its source.

Ranked highest

Data Center Load Growth83 · importance in its document · 8-K exhibit · 30 Oct 2026
Alliant Energy’s utilities Interstate Power and Light Company (IPL) and Wisconsin Power and Light Company (WPL) have 3.4 gigawatts of contracted data-center demand. The company expects peak demand to increase approximately 60% by 2031. It…
Capital Expenditure Plan74 · importance in its document · 8-K exhibit · 30 Oct 2026
Alliant Energy increased its 2027–2030 capital expenditure forecast by 19% to $15.9 billion to serve expected demand. Projected spending totals $4.305 billion in 2027, $4.735 billion in 2028, $4.285 billion in 2029, and $2.610 billion in…
DOE Loan Guarantee Financing64 · importance in its document · 10-Q · 2026Q3
In October 2026, IPL and WPL entered into loan guarantee agreements with the U.S. Department of Energy. The DOE may guarantee borrowings of up to $3.5 billion for IPL and $1.6 billion for WPL, subject to applicable conditions and…
Generation Investment Plan58 · importance in its document · 10-Q · 2026Q3
Alliant Energy plans over the next six years to develop or acquire approximately 2,800 MW of natural gas resources, 1,300 MW of energy storage, and 1,300 MW of renewable generation, while also improving existing gas-fired units and…
Quarterly Earnings Performance52 · importance in its document · 10-Q · 2026Q3
Alliant Energy consolidated net income for the three months ended September 30, 2026, was $398 million, up $117 million from $281 million in 2025; diluted EPS increased to $1.52 from $1.09. Utilities and Corporate Services net income rose…

Ranked by score, 0–100. A topic read from a document carries its importance within that document; an 8-K event carries the rule score that ranks a filing among filings. Neither is about the share price, and the two scales are named on each row because they are not the same measure.

Latest report: 10-Q · 2026Q3 filed 30 Oct 2026

Full report

DOE Loan Guarantee FinancingImportance 64
In October 2026, IPL and WPL entered into loan guarantee agreements with the U.S. Department of Energy. The DOE may guarantee borrowings of up to $3.5 billion for IPL and $1.6 billion for WPL, subject to applicable…
Generation Investment PlanImportance 58
Alliant Energy plans over the next six years to develop or acquire approximately 2,800 MW of natural gas resources, 1,300 MW of energy storage, and 1,300 MW of renewable generation, while also improving existing…
Quarterly Earnings PerformanceImportance 52
Alliant Energy consolidated net income for the three months ended September 30, 2026, was $398 million, up $117 million from $281 million in 2025; diluted EPS increased to $1.52 from $1.09. Utilities and Corporate…
Data Center Load GrowthImportance 52
In April 2026, IPL entered into an electric service agreement with a customer expecting to build a data center in IPL’s Iowa service territory, with contracted peak demand of approximately 370 MW. The timing and amount…
Capital ExpendituresImportance 52
Alliant Energy, IPL and WPL anticipate construction and acquisition expenditures from 2026 through 2030 focused on renewable generation, energy storage, dispatchable thermal generation, LNG, and electric and gas…
Capital Markets ActivityImportance 50
Alliant Energy reported 18,668,448 shares subject to outstanding forward sale agreements under its 2025 at-the-market offering program, which could be settled for $1.232 billion in cash as of September 30, 2026. The…
Large Load TariffImportance 46 · +2 more on this subject
In June 2026, the PSCW directed WPL to file a tariff for customers with demand requirements of at least 100 MW, and WPL filed its application in September 2026. The proposal would require a 15-year initial service…
Rate Case OutcomesImportance 46 · +1 more on this subject
In December 2025, the Public Service Commission of Wisconsin (PSCW) authorized WPL annual base rate increases of $69 million for retail electric customers and $7 million for retail gas customers. The increases apply to…
Dividend IncreaseImportance 45
Alliant Energy announced a 5% increase in its targeted 2027 annual common stock dividend to $2.25 per share. The new quarterly rate is $0.5625 per share, beginning with the February 2027 dividend payment. Future…
Debt and Liquidity PositionImportance 37
At September 30, 2026, Alliant Energy’s long-term debt, including current maturities, had a carrying amount of $11.459 billion, compared with $10.549 billion at December 31, 2025, an increase of 8.6%. IPL’s long-term…
Wisconsin Capacity Cost LegislationImportance 34
Wisconsin enacted 2025 Wisconsin Act 193 in April 2026, requiring utilities to include capacity costs and revenues in annual fuel cost plans. The law requires approved plans to account for both the cost of purchasing…
Revenue Performance and MixImportance 32
For the nine months ended September 30, 2026, Alliant Energy electric utility revenues increased $123 million year over year, including increases of $44 million at IPL and $79 million at WPL. WPL’s higher revenue…

8-K filings last 12 months

Guidance issued30 Oct 2026 · 8-K Item 2.02 · Routine · rule score 25
“Consolidated effective tax rate of (28%) 2027 Earnings Guidance and Annual Stock Dividend Target Alliant Energy is issuing 2027 consolidated ongoing EPS guidance of $3.63 - $3.73, which at the midpoint represents 8% growth over 2026…”
Read from the attached exhibit: Data Center Load Growth · Capital Expenditure Plan · Guidance and Outlook
New debt28 Oct 2026 · 8-K Items 1.01, 2.03 · Routine · rule score 35
“On October 26, 2026, pursuant to the U.S. Department of Energy (the “DOE”) loan guarantee program (the “DOE Loan Guarantee Program”) established under Title XVII of the Energy Policy Act of 2005, as amended (“Title XVII”), Wisconsin Power…”
Press release attached to an 8-K21 Aug 2026 · 8-K
Read from the attached exhibit: Senior Notes Issuance
Results (release not read)31 Jul 2026 · 8-K Item 2.02 · Routine · rule score 20
Results (release not read)1 May 2026 · 8-K Item 2.02 · Routine · rule score 20
New debt4 Mar 2026 · 8-K Items 1.01, 2.03 · Routine · rule score 25
Results (release not read)20 Feb 2026 · 8-K Item 2.02 · Routine · rule score 20
Management change (filing not read)8 Jan 2026 · 8-K Item 5.02 · Routine · rule score 20
Management change (filing not read)16 Dec 2025 · 8-K Item 5.02 · Routine · rule score 20

Topics are read from the text of the 10-K, 10-Q or the exhibit attached to an 8-K, each linked to the passage it came from. 8-K events are labelled by fixed rules from the item codes and the filing text — the same rules for every company and every year. The Full Picture merges these with earnings calls and news.