ALLIANT ENERGY CORP

For the period ended Sep 30, 2025. Filed Nov 7, 2025.

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.

Sep 30, 2025 · Filed Nov 7, 2025

LNT$73.24-0.3%Stored close · as of Nov 10, 2026

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

See the whole filing, with its images and exhibits

Contents

Alliant Energy Corporation

For the Three Months · For the Nine Months
	Ended September 30,		Ended September 30,
	2025	2024	2025	2024
(in millions, except per share amounts)
Revenues:
Electric utility	$1,124	$999	$2,828	$2,579
Gas utility	51	49	366	322
Other utility	12	12	37	36
Non-utility	23	21	67	68
Total revenues	1,210	1,081	3,298	3,005
Operating expenses:
Electric production fuel and purchased power	239	192	564	493
Electric transmission service	166	165	474	464
Cost of gas sold	12	13	180	152
Other operation and maintenance:
Asset valuation charge for IPL’s Lansing Generating Station	—	—	—	60
Other	204	174	530	510
Depreciation and amortization	211	195	631	571
Taxes other than income taxes	29	29	91	90
Total operating expenses	861	768	2,470	2,340
Operating income	349	313	828	665
Other (income) and deductions:
Interest expense	128	114	372	329
Equity income from unconsolidated investments, net	(18)	(14)	(41)	(44)
Allowance for funds used during construction	(24)	(20)	(65)	(58)
Other	—	—	3	2
Total other (income) and deductions	86	80	269	229
Income before income taxes	263	233	559	436
Income tax benefit	(18)	(62)	(109)	(104)
Net income attributable to Alliant Energy common shareowners	$281	$295	$668	$540
Weighted average number of common shares outstanding:
Basic	257.0	256.6	256.9	256.4
Diluted	257.8	256.9	257.5	256.7
Earnings per weighted average common share attributable to Alliant Energy common shareowners:
Basic	$1.09	$1.15	$2.60	$2.11
Diluted	$1.09	$1.15	$2.59	$2.10

	September 30,2025	December 31,2024
(in millions, except pershare and share amounts)
ASSETS
Current assets:
Cash and cash equivalents	$503	$81
Short-term investments	250	—
Accounts receivable, less allowance for expected credit losses	485	427
Production fuel, at weighted average cost	37	54
Gas stored underground, at weighted average cost	55	55
Materials and supplies, at weighted average cost	189	186
Regulatory assets	132	210
Other	193	171
Total current assets	1,844	1,184
Property, plant and equipment, net	19,813	18,701
Investments:
ATC Holdings	459	415
Other	230	224
Total investments	689	639
Other assets:
Regulatory assets	2,171	2,064
Deferred charges and other	110	126
Total other assets	2,281	2,190
Total assets	$24,627	$22,714

LIABILITIES AND EQUITY
Current liabilities:
Current maturities of long-term debt	$1,074	$1,171
Commercial paper	192	558
Accounts payable	550	532
Regulatory liabilities	58	69
Other	360	385
Total current liabilities	2,234	2,715
Long-term debt, net (excluding current portion)	10,655	8,677
Other liabilities:
Deferred tax liabilities	2,187	2,188
Regulatory liabilities	1,076	959
Pension and other benefit obligations	197	224
Other	971	947
Total other liabilities	4,431	4,318
Commitments and contingencies (Note 13)
Equity:
Alliant Energy Corporation common equity:
Common stock - $0.01 par value - 480,000,000 shares authorized; 257,053,689 and 256,690,222 shares outstanding	3	3
Additional paid-in capital	3,087	3,060
Retained earnings	4,231	3,954
Accumulated other comprehensive income	—	1
Shares in deferred compensation trust - 359,483 and 372,116 shares at a weighted average cost of $38.39 and $36.56 per share	(14)	(14)
Total Alliant Energy Corporation common equity	7,307	7,004
Total liabilities and equity	$24,627	$22,714

	For the Nine Months
	Ended September 30,
	2025	2024
(in millions)
Cash flows from operating activities:
Net income	$668	$540
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation and amortization	631	571
Deferred tax benefit and tax credits	(125)	(103)
Asset valuation charge for IPL’s Lansing Generating Station	—	60
Other	2	(9)
Other changes in assets and liabilities:
Accounts receivable	(391)	(388)
Regulatory liabilities	107	(67)
Deferred income taxes (a)	101	222
Other	(93)	87
Net cash flows from operating activities	900	913
Cash flows used for investing activities:
Construction and acquisition expenditures:
Utility business	(1,487)	(1,280)
Other	(161)	(154)
Cash receipts on sold receivables	332	399
Purchases of short-term investments	(250)	—
Proceeds from sales of partial ownership interests in West Riverside	—	123
Other	(39)	(28)
Net cash flows used for investing activities	(1,605)	(940)
Cash flows from financing activities:
Common stock dividends	(391)	(369)
Proceeds from issuance of long-term debt	2,174	1,613
Payments to retire long-term debt	(300)	(305)
Net change in commercial paper	(366)	(145)
Other	10	—
Net cash flows from financing activities	1,127	794
Net increase in cash, cash equivalents and restricted cash	422	767
Cash, cash equivalents and restricted cash at beginning of period	81	63
Cash, cash equivalents and restricted cash at end of period	$503	$830
Supplemental cash flows information:
Cash (paid) received during the period for:
Interest	($373)	($326)
Income taxes, net (a)	$108	$158
Significant non-cash investing and financing activities:
Accrued capital expenditures	$246	$194
Beneficial interest obtained in exchange for securitized accounts receivable	$231	$212

(a)2025 and 2024 include $117 million and $172 million, respectively, of proceeds from renewable tax credits transferred to other corporate taxpayers.

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.