ALLIANT ENERGY CORP

LNT · Nasdaq · SIC 4931: Electric & Other Services Combined · Market Cap: $18.5B · 2,948 employees
230
SEC Filings
$63.31
Close 2026-09-24
1
Transcripts
2,948
Employees

Business Summary

Alliant Energy is a regulated investor-owned public utility holding company headquartered in Madison, Wisconsin. Through subsidiaries IPL and WPL, it provides electric and natural gas service to approximately 1,010,000 electric and 435,000 natural gas customers in Iowa and Wisconsin. Additional non-utility holdings include transmission interests, a non-utility wind farm, a natural gas facility, supply chain solutions via Travero, and development-ready industrial sites.

Latest Stock Quote

LNT 2026-09-24 $63.31 O:$63.85 H:$64 L:$63.27 Vol:2.4M VWAP:$63.4463
origin leaf: null

Next Earnings

Q2 FY2026 — expected 2026-09-14

Key Facts from Earnings Calls

TypeSubjectDetailQuarter
topic_mentionLNTdiscussed Data CenterQ4 FY2025
topic_mentionLNTdiscussed Capital ExpenditureQ4 FY2025
topic_mentionLNTdiscussed RegulationQ4 FY2025
metricLNT EPSreported $3.22Q4 FY2025
metricLNT EPSreported $2.69Q4 FY2025
metricLNT EPSreported $3.04Q4 FY2025
metricLNT EPSreported $3.14Q4 FY2025
guidanceLNTguided Guidance • Higher earnings on growing capital investments, including AFUDC • Forecasted 2026 capital expenditures of ~$3 billionQ4 FY2025
company_mentionLNTmentioned GoogleQ4 FY2025
company_mentionLNTmentioned MetaQ4 FY2025

Annual Reports (10-K)

FiledPeriodAccessionSourceFull Text
2026-02-202025-12-310000352541-26-000007EDGAR88K words
2025-02-212024-12-310000352541-25-000014EDGAR86K words
2024-02-162023-12-310000352541-24-000014EDGAR84K words
2023-02-242022-12-310000352541-23-000017EDGAR—
2022-02-182021-12-310000352541-22-000020EDGAR—
2021-02-192020-12-310000352541-21-000022EDGAR—
2020-02-212019-12-310000352541-20-000021EDGAR—
2019-02-222018-12-310000352541-19-000013EDGAR—
2018-02-232017-12-310000352541-18-000019EDGAR—
2017-02-242016-12-310000352541-17-000017EDGAR—

Quarterly Reports (10-Q)

FiledPeriodAccessionSourceFull Text
2026-07-312026-06-300000352541-26-000043EDGAR27K words
2025-11-072025-09-300000352541-25-000081EDGAR30K words
2025-08-082025-06-300000352541-25-000072EDGAR27K words
2025-05-092025-03-310000352541-25-000053EDGAR21K words
2024-11-012024-09-300000352541-24-000104EDGAR29K words
2024-08-022024-06-300000352541-24-000089EDGAR26K words
2024-05-032024-03-310000352541-24-000058EDGAR20K words
2023-11-032023-09-300000352541-23-000108EDGAR36K words
2023-08-042023-06-300000352541-23-000091EDGAR33K words
2023-05-052023-03-310000352541-23-000059EDGAR—
2022-11-082022-09-300000352541-22-000082EDGAR—
2022-08-052022-06-300000352541-22-000075EDGAR—

Recent Current Reports (8-K)

FiledAccessionSourceFull Text
2026-08-210001193125-26-360020EDGAR1K words
2026-07-310000352541-26-000042EDGAR7K words
2026-03-190001193125-26-116244EDGAR49K words
2026-03-040000352541-26-000009EDGAR46K words
2026-02-200000352541-26-000005EDGAR8K words
2026-01-080000352541-26-000003EDGAR1K words
2025-12-160000352541-25-000089EDGAR1K words
2025-12-050000352541-25-000085EDGAR1K words
2025-11-070000352541-25-000079EDGAR8K words
2025-09-260000352541-25-000076EDGAR0K words

230 total filings indexed. 198 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR

Earnings Transcripts

Call DateQuarterTitle
—Q4 FY2025LNT Q4 FY2025 Earnings Call Transcript

Access full transcripts via API (JSON) — includes speakers, key metrics, competitive mentions, and origin provenance chain.

Sector Peers

AEE — AMEREN CORP AVA — AVISTA CORP ALCE — Alternus Clean Energy, Inc. AILIH — Ameren Illinois Co CMS — CMS ENERGY CORP ED — CONSOLIDATED EDISON INC CMS-PB — CONSUMERS ENERGY CO DUK — Duke Energy CORP

Tags

regulated-electric-utility regulated-natural-gas-utility electric-wholesale-market electric-transmission-investment non-utility-renewable-energy supply-chain-and-logistics industrial-real-estate-development north-american-electric-reliability-corporation-(nerc)-cybersecurity-and-electric-reliability-standards midwest-reliability-organization-mandatory-electric-reliability-standards ferc-market-based-rate-authorization ferc-cost-of-service-formula-based-rates federal-power-act-of-1935 natural-gas-act public-utility-holding-company-act-of-2005 energy-policy-act-of-2005

Company Identity

CIK0000352541
TickerLNT
ExchangeNasdaq
SIC4931: Electric & Other Services Combined
IncorporatedWI
HeadquartersMadison, Wisconsin
Websitehttps://www.alliantenergy.com
Listed1972-06-30

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This is a static snapshot. For live, structured JSON with cryptographic provenance chain:

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JSON Profile Stock Quote Origin Record
Origin Provenance
page leaf: f07735d818080e44a2856c772fdd3cd5fe95079a538f0fe4029d9835059c05dd
parent: 0e543c10959842c254ca3d2b7122cae76ee2d118b927a3fb295bddd37520ad5f
content hash: 25409f29121939cf7052667a892fed814f34783889e100a7878957b6a9b2dfe4
signed: 2026-09-28T12:01:59.448Z
sources: 23 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf

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