ALLIANT ENERGY CORP

For the period ended Mar 31, 2025. Filed May 9, 2025.

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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.

Mar 31, 2025 · Filed May 9, 2025

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

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Contents

Alliant Energy Corporation

	For the Three Months
	Ended March 31,
	2025	2024
(in millions, except per share amounts)
Revenues:
Electric utility	$853	$791
Gas utility	240	205
Other utility	13	13
Non-utility	22	22
Total revenues	1,128	1,031
Operating expenses:
Electric production fuel and purchased power	175	163
Electric transmission service	158	152
Cost of gas sold	137	114
Other operation and maintenance	160	160
Depreciation and amortization	211	189
Taxes other than income taxes	30	31
Total operating expenses	871	809
Operating income	257	222
Other (income) and deductions:
Interest expense	119	107
Equity income from unconsolidated investments, net	(13)	(15)
Allowance for funds used during construction	(18)	(19)
Other	3	1
Total other (income) and deductions	91	74
Income before income taxes	166	148
Income tax benefit	(47)	(10)
Net income attributable to Alliant Energy common shareowners	$213	$158
Weighted average number of common shares outstanding:
Basic	256.8	256.2
Diluted	257.2	256.5
Earnings per weighted average common share attributable to Alliant Energy common shareowners (basic and diluted)	$0.83	$0.62

	March 31,2025	December 31,2024
(in millions, except pershare and share amounts)
ASSETS
Current assets:
Cash and cash equivalents	$25	$81
Accounts receivable, less allowance for expected credit losses	361	427
Production fuel, at weighted average cost	53	54
Gas stored underground, at weighted average cost	16	55
Materials and supplies, at weighted average cost	196	186
Regulatory assets	172	210
Other	146	171
Total current assets	969	1,184
Property, plant and equipment, net	19,022	18,701
Investments:
ATC Holdings	426	415
Other	224	224
Total investments	650	639
Other assets:
Regulatory assets	2,102	2,064
Deferred charges and other	108	126
Total other assets	2,210	2,190
Total assets	$22,851	$22,714

LIABILITIES AND EQUITY
Current liabilities:
Current maturities of long-term debt	$1,371	$1,171
Commercial paper	678	558
Accounts payable	405	532
Regulatory liabilities	109	69
Other	325	385
Total current liabilities	2,888	2,715
Long-term debt, net (excluding current portion)	8,580	8,677
Other liabilities:
Deferred tax liabilities	2,147	2,188
Regulatory liabilities	974	959
Pension and other benefit obligations	210	224
Other	959	947
Total other liabilities	4,290	4,318
Commitments and contingencies (Note 12)
Equity:
Alliant Energy Corporation common equity:
Common stock - $0.01 par value - 480,000,000 shares authorized; 256,876,299 and 256,690,222 shares outstanding	3	3
Additional paid-in capital	3,066	3,060
Retained earnings	4,037	3,954
Accumulated other comprehensive income	—	1
Shares in deferred compensation trust - 347,775 and 372,116 shares at a weighted average cost of $37.17 and $36.56 per share	(13)	(14)
Total Alliant Energy Corporation common equity	7,093	7,004
Total liabilities and equity	$22,851	$22,714

	For the Three Months
	Ended March 31,
	2025	2024
(in millions)
Cash flows from operating activities:
Net income	$213	$158
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation and amortization	211	189
Deferred tax benefit and tax credits	(51)	(12)
Other	1	(6)
Other changes in assets and liabilities:
Accounts receivable	(128)	(116)
Gas stored underground	39	27
Derivative assets	6	30
Regulatory assets	(12)	35
Accounts payable	(45)	12
Regulatory liabilities	53	(14)
Other	(38)	4
Net cash flows from operating activities	249	307
Cash flows used for investing activities:
Construction and acquisition expenditures:
Utility business	(554)	(478)
Other	(28)	(32)
Cash receipts on sold receivables	192	155
Other	(14)	2
Net cash flows used for investing activities	(404)	(353)
Cash flows from financing activities:
Common stock dividends	(130)	(123)
Proceeds from issuance of long-term debt	—	597
Payments to retire long-term debt	—	(300)
Net change in commercial paper	220	(141)
Other	9	(15)
Net cash flows from financing activities	99	18
Net decrease in cash, cash equivalents and restricted cash	(56)	(28)
Cash, cash equivalents and restricted cash at beginning of period	81	63
Cash, cash equivalents and restricted cash at end of period	$25	$35
Supplemental cash flows information:
Cash paid during the period for:
Interest	($139)	($97)
Income taxes, net	$—	($2)
Significant non-cash investing and financing activities:
Accrued capital expenditures	$144	$204
Beneficial interest obtained in exchange for securitized accounts receivable	$86	$184

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