{
  "name": "Alliant Energy Corp",
  "legal_name": "ALLIANT ENERGY CORP",
  "ticker": "LNT",
  "tickers": [
    "LNT"
  ],
  "cik": "0000352541",
  "page_url": "https://steadybase.io/company/alliant-energy-corp/",
  "markdown_url": "https://steadybase.io/company/alliant-energy-corp.md",
  "json_url": "https://steadybase.io/company/alliant-energy-corp.json",
  "as_of": "2026-11-10",
  "last_filed": "2026-05-01",
  "industry": {
    "sic": "4931",
    "description": "Electric & Other Services Combined"
  },
  "headquarters": {
    "city": "Madison",
    "state": "WI",
    "country": "US"
  },
  "exchanges": [
    "Nasdaq"
  ],
  "fiscal_year_end": "December 31",
  "filer_category": "Large accelerated filer",
  "state_of_incorporation": "WI",
  "website": "alliantenergy.com",
  "investor_relations_url": null,
  "linkedin_company_url": "https://www.linkedin.com/company/alliant-energy",
  "summary": {
    "text": "Alliant Energy maintains its principal executive offices in Madison, Wisconsin. Alliant Energy operates as a regulated investor-owned public utility holding company, and its purpose-driven strategy is to serve its customers and build stronger communities. Alliant Energy’s primary focus is to provide regulated electric and natural gas service to approximately 1,010,000 electric and approximately 435,000 natural gas customers in the Midwest through its two public utility subsidiaries, IPL and WPL.",
    "section": "Item 1. Business",
    "period_end": "2025-12-31",
    "source_url": "https://www.sec.gov/Archives/edgar/data/352541/000035254126000007/lnt-20251231.htm"
  },
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      "label": "Revenue",
      "value": 4362000000,
      "unit": "USD",
      "period_start": "2025-01-01",
      "period_end": "2025-12-31",
      "basis": "filing_fact",
      "form": "10-K",
      "filed": "2026-02-20",
      "source_url": "https://www.sec.gov/Archives/edgar/data/352541/000035254126000007/0000352541-26-000007-index.html",
      "text": "Revenue: $4.4B for the fiscal year ended Dec 31, 2025 (10-K filed Feb 20, 2026)."
    },
    {
      "key": "operating_income",
      "label": "Operating income",
      "value": 1025000000,
      "unit": "USD",
      "period_start": "2025-01-01",
      "period_end": "2025-12-31",
      "basis": "filing_fact",
      "form": "10-K",
      "filed": "2026-02-20",
      "source_url": "https://www.sec.gov/Archives/edgar/data/352541/000035254126000007/0000352541-26-000007-index.html",
      "text": "Operating income: $1.0B for the fiscal year ended Dec 31, 2025 (10-K filed Feb 20, 2026)."
    },
    {
      "key": "net_income",
      "label": "Net income",
      "value": 810000000,
      "unit": "USD",
      "period_start": "2025-01-01",
      "period_end": "2025-12-31",
      "basis": "filing_fact",
      "form": "10-K",
      "filed": "2026-02-20",
      "source_url": "https://www.sec.gov/Archives/edgar/data/352541/000035254126000007/0000352541-26-000007-index.html",
      "text": "Net income: $810.0M for the fiscal year ended Dec 31, 2025 (10-K filed Feb 20, 2026)."
    },
    {
      "key": "employees",
      "label": "Employees",
      "value": 2948,
      "unit": "people",
      "period_end": "2025-12-31",
      "source_url": "https://www.sec.gov/Archives/edgar/data/352541/000035254126000007/lnt-20251231.htm",
      "text": "Employees: 2,948 as of Dec 31, 2025, as reported in an SEC filing."
    },
    {
      "key": "shares_outstanding",
      "label": "Shares outstanding",
      "value": 258277037,
      "unit": "shares",
      "period_end": "2026-03-31",
      "form": "10-Q",
      "filed": "2026-05-01",
      "source_url": "https://www.sec.gov/Archives/edgar/data/352541/000035254126000033/0000352541-26-000033-index.html",
      "text": "Shares outstanding: 258,277,037 as of Mar 31, 2026 (10-Q filed May 1, 2026)."
    },
    {
      "key": "auditor",
      "label": "Auditor",
      "value": "Deloitte & Touche LLP",
      "source_url": "https://www.sec.gov/Archives/edgar/data/352541/000035254126000007/lnt-20251231.htm",
      "text": "Auditor: Deloitte & Touche LLP, Milwaukee, Wisconsin, named in the latest 10-K."
    }
  ],
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  "next_earnings": {
    "date": "2027-01-29",
    "confidence": "estimate",
    "webcast_url": null
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  "people": [
    {
      "name": "Lisa Barton",
      "title": "Alliant Energy President and CEO",
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      "source_url": "https://www.sec.gov/Archives/edgar/data/352541/000035254126000045/lnt102920268-kex991.htm"
    },
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    },
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    },
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      "form": "4/A",
      "filed": "2026-03-19",
      "source_url": "https://www.sec.gov/Archives/edgar/data/352541/000210547026000005/0002105470-26-000005-index.htm"
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  "quotes": [
    {
      "text": "We delivered another solid quarter of operating performance and our full-year earnings expectation has been narrowed to within the top half of the original 2026 ongoing EPS guidance range",
      "speaker": "Lisa Barton",
      "title": "Alliant Energy President and CEO",
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      "source_url": "https://www.sec.gov/Archives/edgar/data/352541/000035254126000045/lnt102920268-kex991.htm"
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  "source": "SEC EDGAR filings, read by Steadybase. Every value links to the filing it came from."
}