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Alliant Energy Corp (LNT) Financial History

20 years of revenue, earnings, cash-flow and balance-sheet history from public filings.

UTILITIES · Electric Utilities · DATA UPDATED 2026-07-18

Alliant Energy Corp (LNT) operates in the Electric Utilities industry and is headquartered in Madison, United States with about 2,948 employees. Its market capitalization is roughly $19 billion. In the fiscal year ended 2025-12-31, LNT reported $4.4B in revenue and $810M in net income.

Alliant Energy Corporation operates as a utility holding company that provides regulated electric and natural gas services in the United States. It operates through IPL and WPL segments.

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LNT Revenue & Earnings History — Annual Income Statement

Income statement	TTM → 2026-03-31	2025-12-31	2024-12-31	2023-12-31	2022-12-31	2021-12-31	2020-12-31	2019-12-31	2018-12-31	2017-12-31	2016-12-31	2015-12-31	2014-12-31	2013-12-31	2012-12-31	2011-12-31	2010-12-31	2009-12-31	2008-12-31	2007-12-31	2006-12-31
Total Revenue	$4.4B	$4.4B	$4.0B	$4.0B	$4.2B	$3.7B	$3.4B	$3.6B	$3.5B	$3.4B	$3.3B	$3.3B	$3.4B	$3.3B	$3.1B	$3.7B	$3.4B	$3.4B	$3.7B	$3.4B	$3.4B
Gross Profit	$1.7B	$1.7B	$1.8B	$1.7B	$1.7B	$1.6B	$1.5B	$1.5B	$1.3B	$1.2B	$1.1B	$1.1B	$1.0B	$1.0B	$950M	$2.0B	$1.7B	$1.7B	$1.9B	$2.2B	$1.7B
Gross Margin %	38.0%	40.1%	44.7%	43.1%	40.6%	42.4%	42.8%	39.9%	36.9%	36.6%	34.3%	33.5%	30.8%	30.6%	30.7%	55.2%	50.7%	49.1%	50.3%	65.0%	49.7%
Operating Income (EBIT)	$1.0B	$1.0B	$886M	$943M	$928M	$795M	$740M	$778M	$694M	$653M	$554M	$577M	$544M	$534M	$520M	$478M	$556M	$397M	$489M	$763M	$403M
Operating Margin %	23.0%	23.5%	22.3%	23.4%	22.1%	21.7%	21.7%	21.3%	19.7%	19.3%	16.7%	17.7%	16.2%	16.3%	16.8%	13.1%	16.3%	11.6%	13.3%	22.2%	12.0%
Net Income	$821M	$810M	$690M	$703M	$686M	$674M	$624M	$567M	$522M	$468M	$382M	$388M	$393M	$376M	$336M	$322M	$306M	$130M	$307M	$425M	$316M
Net Margin %	18.6%	18.6%	17.3%	17.5%	16.3%	18.4%	18.3%	15.5%	14.8%	13.8%	11.5%	11.9%	11.7%	11.5%	10.8%	8.8%	9.0%	3.8%	8.3%	12.4%	9.4%
EBITDA	$2.1B	$2.0B	$1.8B	$1.8B	$1.7B	$1.5B	$1.4B	$1.5B	$1.3B	$1.2B	$1.1B	$1.1B	$1.1B	$1.0B	$974M	$846M	$972M	$551M	$851M	$1.1B	$708M
Earnings Per Share (EPS)	$3.18	$3.14	$2.69	$2.78	$2.73	$2.69	$2.51	$2.37	$2.23	$2.04	$1.68	$1.72	$1.77	$1.70	$1.52	$1.45	$1.39	$0.59	$1.39	$1.89	$1.35
Shares Outstanding (M)	259M	258M	257M	253M	251M	251M	249M	239M	234M	230M	227M	225M	222M	222M	222M	221M	221M	221M	221M	225M	234M

USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).

LNT Quarterly Revenue & Earnings — Last 8 Quarters

Quarterly income statement	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30
Total Revenue	$1.2B	$1.1B	$1.2B	$961M	$1.1B	$976M	$1.1B	$894M
Gross Profit	$427M	$447M	$550M	$254M	$498M	$454M	$537M	$347M
Gross Margin %	36.1%	42.0%	45.5%	26.4%	44.1%	46.5%	49.7%	38.8%
Operating Income (EBIT)	$249M	$196M	$349M	$223M	$257M	$221M	$313M	$130M
Operating Margin %	21.0%	18.4%	28.8%	23.2%	22.8%	22.6%	28.9%	14.5%
Net Income	$224M	$142M	$281M	$174M	$213M	$150M	$295M	$87M
Net Margin %	18.9%	13.4%	23.2%	18.1%	18.9%	15.4%	27.3%	9.7%
EBITDA	$528M	$458M	$602M	$463M	$496M	$461M	$542M	$350M
Earnings Per Share (EPS)	$0.87	$0.55	$1.09	$0.68	$0.83	$0.58	$1.15	$0.34
Shares Outstanding (M)	259M	259M	258M	257M	257M	257M	257M	257M

USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).

LNT Free Cash Flow History

Cash flow	TTM → 2026-03-31	2025-12-31	2024-12-31	2023-12-31	2022-12-31	2021-12-31	2020-12-31	2019-12-31	2018-12-31	2017-12-31	2016-12-31	2015-12-31	2014-12-31	2013-12-31	2012-12-31	2011-12-31	2010-12-31	2009-12-31	2008-12-31	2007-12-31	2006-12-31
Cash from Operations (CFO)	$1.3B	$1.2B	$1.2B	$867M	$486M	$582M	$501M	$660M	$528M	$983M	$860M	$871M	$892M	$731M	$841M	$703M	$985M	$657M	$320M	$589M	$421M
Capital Expenditures (CapEx)	$4.4B	$2.5B	$2.2B	$1.9B	$1.4B	$0M	$1.3B	$1.5B	$1.6B	$1.5B	$1.2B	$1.0B	$903M	$798M	$1.2B	$673M	$867M	$1.2B	$879M	$542M	$407M
Free Cash Flow (FCF)	($3.2B)	($1.3B)	($1.1B)	($987M)	($906M)	$582M	($792M)	($878M)	($1.1B)	($484M)	($337M)	($163M)	($11M)	($67M)	($317M)	$29M	$118M	($546M)	($560M)	$47M	$14M
FCF Margin %	-71.4%	-30.1%	-27.2%	-24.5%	-21.6%	15.9%	-23.2%	-24.1%	-31.3%	-14.3%	-10.2%	-5.0%	-0.3%	-2.1%	-10.2%	0.8%	3.5%	-15.9%	-15.2%	1.4%	0.4%
Dividends Paid	$528M	$521M	$492M	$456M	$428M	$403M	$377M	$338M	$312M	$288M	$266M	$247M	$226M	$208M	$199M	$205M	$193M	$184M	$173M	$143M	$134M

USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).

LNT Quarterly Free Cash Flow — Last 8 Quarters

Quarterly cash flow	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30
Cash from Operations (CFO)	$368M	$269M	$408M	$243M	$249M	$254M	$351M	$255M
Capital Expenditures (CapEx)	$414M	$2.5B	$1.1B	$483M	$582M	$815M	$474M	$450M
Free Cash Flow (FCF)	($46M)	($2.2B)	($657M)	($240M)	($333M)	($561M)	($123M)	($195M)
FCF Margin %	-3.9%	-208.1%	-54.3%	-25.0%	-29.5%	-57.5%	-11.4%	-21.8%
Dividends Paid	$137M	$130M	$130M	$131M	$130M	$123M	$123M	$123M

USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).

LNT Balance Sheet History

Balance sheet	2026-03-31	2025-12-31	2024-12-31	2023-12-31	2022-12-31	2021-12-31	2020-12-31	2019-12-31	2018-12-31	2017-12-31	2016-12-31	2015-12-31	2014-12-31	2013-12-31	2012-12-31	2011-12-31	2010-12-31	2009-12-31	2008-12-31	2007-12-31	2006-12-31
Total Assets	$24.8B	$25.8B	$22.7B	$21.2B	$20.2B	$18.6B	$17.7B	$16.7B	$15.4B	$14.2B	$13.4B	$12.5B	$12.1B	$11.1B	$10.8B	$9.7B	$9.3B	$9.0B	$8.2B	$7.2B	$7.1B
Cash & Cash Equivalents	$115M	$556M	$81M	$62M	$20M	$39M	$54M	$16M	$21M	$28M	$8M	$6M	$57M	$10M	$21M	$11M	$159M	$175M	$347M	$746M	$265M
Total Liabilities	$17.4B	$18.5B	$15.7B	$14.5B	$13.9B	$12.6B	$11.8B	$11.3B	$10.6B	$9.8B	$9.3B	$8.6B	$8.4B	$7.6B	$7.5B	$6.5B	$6.1B	$6.1B	$5.2B	$4.5B	$4.4B
Total Debt (Short + Long-Term)	$11.8B	$12.1B	$10.4B	$9.5B	$8.7B	$7.9B	$7.2B	$6.5B	$5.9B	$5.3B	$4.6B	$4.0B	$3.9B	$3.6B	$3.4B	$2.8B	$2.8B	$2.7B	$2.0B	$1.7B	$1.7B
Total Shareholders' Equity	$7.4B	$7.3B	$7.0B	$6.8B	$6.3B	$6.0B	$5.7B	$5.2B	$4.6B	$4.2B	$3.9B	$3.7B	$3.4B	$3.3B	$3.1B	$3.0B	$3.1B	$3.0B	$3.0B	$2.7B	$2.7B

USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).

Quarterly statements, profitability ratios, price history, insider activity and institutional holders are in the interactive LNT viewer.

Other Companies in Electric Utilities

FE · FirstEnergy — $29 billion
ES · Eversource Energy — $28 billion
PPL · PPL Corporation — $27 billion
EVRG · Evergy — $20 billion
SO · Southern Company — $110 billion
DUK · Duke Energy — $102 billion
CEG · Constellation Energy — $98 billion
AEP · American Electric Power — $74 billion

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