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LN

ALLIANT ENERGY CORP

LNT Utilities · Utilities
Latest period 2026-06-30 · 37 filings on record
Quarterly TTM Annual
8Q 3Y 5Y 10Y MAX
10-03 → 26-06 66 QUARTERS
SHOWING Discrete quarters as filed — each point is one 10-Q, or a Q4 derived from the 10-K.
Ranked against Utilities · 35 peers

Each grade is a single reported quarter's assessment, never an average — a card shows the grade at the newest quarter in view, so it follows the period and range controls above. Latest scored quarter: 2026-06-30.

Growth 29th pct

▼−31 over range · as of 2026-06-30

Revenue +1.0% YoY, earnings -2.3% YoY · sector avg 73

Quality 66th pct

▲+9 over range · as of 2026-06-30

17.5% net margin, 11% return on equity, -7% free-cash-flow margin, profitable in 8 of last 8 quarters · sector avg 51

Safety 13th pct

▼−29 over range · as of 2026-06-30

Net debt 6.3x EBITDA, 1x interest coverage, 0.5x current ratio · sector avg 65

OVERVIEWQoQ Δ

Latest quarter · ending 2026-06-30 · green = improving · click a row to chart it

Revenue $971.0M −18.0% Gross margin 84.0% −2.5pp Operating margin 19.1% −2.0pp Net margin 17.5% −1.4pp Net income $170.0M −24.1%
Debt / equity 1.56 +1.0%
EPS (diluted) $0.65 −25.3% EBITDA $405.0M −14.2%

Filings

Full history 37 match
ALL 10-K 10-Q Q1 Q2 Q3 FY SORT NEWEST ↓
Year Q1Q2Q3FY
2026 10-Q
2025 10-Q 10-Q 10-Q 10-K
2024 10-Q 10-Q 10-Q 10-K
2023 10-Q 10-Q 10-Q 10-K
2022 10-Q 10-Q 10-Q 10-K
2021 10-Q 10-Q 10-Q 10-K
2020 10-Q 10-Q 10-Q 10-K
2019 10-Q 10-K
10-Q — 2026-07-31 Pro → 10-Q Q1 2026 2026-05-01 Pro → 10-K FY 2025 2026-02-20 Pro → 10-Q Q3 2025 2025-11-07 Pro → 10-Q Q2 2025 2025-08-08 Pro → 10-Q Q1 2025 2025-05-09 Pro →
All 37 filings 10-K FY 2024 2025-02-21 Pro → 10-Q Q3 2024 2024-11-01 Pro → 10-Q Q2 2024 2024-08-02 Pro → 10-Q Q1 2024 2024-05-03 Pro → 10-K FY 2023 2024-02-16 Pro → 10-Q Q3 2023 2023-11-03 Pro → 10-Q Q2 2023 2023-08-04 Pro → 10-Q Q1 2023 2023-05-05 Pro → 10-K FY 2022 2023-02-24 Pro → 10-Q Q3 2022 2022-11-08 Pro → 10-Q Q2 2022 2022-08-05 Pro → 10-Q Q1 2022 2022-04-29 Pro → 10-K FY 2021 2022-02-18 Pro → 10-Q Q3 2021 2021-11-05 Pro → 10-Q Q2 2021 2021-08-06 Pro → 10-Q Q1 2021 2021-05-07 Pro → 10-K FY 2020 2021-02-19 Pro → 10-Q Q3 2020 2020-11-03 Pro → 10-Q Q2 2020 2020-08-10 Pro → 10-Q Q1 2020 2020-05-08 Pro → 10-K FY 2019 2020-02-21 Pro → 10-Q Q3 2019 2019-11-07 Pro → 10-K FY 2018 2019-02-22 Pro → 10-K FY 2017 2018-02-23 Pro → 10-K FY 2016 2017-02-24 Pro → 10-K FY 2015 2016-02-24 Pro → 10-K FY 2014 2015-02-25 Pro → 10-K FY 2013 2014-02-25 Pro → 10-K FY 2012 2013-02-26 Pro → 10-K FY 2011 2012-02-27 Pro → 10-K FY 2010 2011-02-28 Pro →

Filing-level fact detail is a Pro feature. The grades and figures above are free. See Pro plans

Trends

Quarter-over-quarter, from cached filings
Revenue
Latest$971.0M QoQ−18.0% Periods66
$1.2B$798.6M$399.3M$010-032010-03-3118-062018-06-3026-062026-06-30
Revenue by period
PeriodPeriod end Revenue
10-032010-03-31 $890.2M
10-062010-06-30 $741.6M
10-092010-09-30 $951.7M
10-122010-12-31 $832.6M
11-032011-03-31 $877.2M
11-062011-06-30 $712.5M
11-092011-09-30 $870.9M
11-122011-12-31 $760.8M
12-032012-03-31 $765.7M
12-062012-06-30 $690.3M
12-092012-09-30 $887.6M
12-122012-12-31 $750.9M
13-032013-03-31 $859.6M
13-062013-06-30 $718.0M
13-092013-09-30 $866.6M
13-122013-12-31 $832.6M
14-032014-03-31 $952.8M
14-062014-06-30 $750.3M
14-092014-09-30 $843.1M
14-122014-12-31 $804.1M
15-032015-03-31 $897.4M
15-062015-06-30 $717.2M
15-092015-09-30 $898.9M
15-122015-12-31 $740.1M
16-032016-03-31 $843.8M
16-062016-06-30 $754.6M
16-092016-09-30 $924.6M
16-122016-12-31 $797.0M
17-032017-03-31 $853.9M
17-062017-06-30 $765.3M
17-092017-09-30 $906.9M
17-122017-12-31 $856.1M
18-032018-03-31 $916.3M
18-062018-06-30 $816.1M
18-092018-09-30 $928.6M
18-122018-12-31 $873.5M
19-032019-03-31 $987.2M
19-062019-06-30 $790.2M
19-092019-09-30 $990.2M
19-122019-12-31 $880.1M
20-032020-03-31 $916.0M
20-062020-06-30 $763.0M
20-092020-09-30 $920.0M
20-122020-12-31 $817.0M
21-032021-03-31 $901.0M
21-062021-06-30 $817.0M
21-092021-09-30 $1.0B
21-122021-12-31 $927.0M
22-032022-03-31 $1.1B
22-062022-06-30 $943.0M
22-092022-09-30 $1.1B
22-122022-12-31 $1.1B
23-032023-03-31 $1.1B
23-062023-06-30 $912.0M
23-092023-09-30 $1.1B
23-122023-12-31 $961.0M
24-032024-03-31 $1.0B
24-062024-06-30 $894.0M
24-092024-09-30 $1.1B
24-122024-12-31 $975.0M
25-032025-03-31 $1.1B
25-062025-06-30 $961.0M
25-092025-09-30 $1.2B
25-122025-12-31 $1.1B
26-032026-03-31 $1.2B
26-062026-06-30 $971.0M
Net income
Latest$170.0M QoQ−24.1% Periods31
$295.0M$194.7M$97.3M$010-032010-03-3118-062018-06-3026-062026-06-30
Net income by period
PeriodPeriod end Net income
10-032010-03-31 not reported
10-062010-06-30 not reported
10-092010-09-30 not reported
10-122010-12-31 not reported
11-032011-03-31 not reported
11-062011-06-30 not reported
11-092011-09-30 not reported
11-122011-12-31 not reported
12-032012-03-31 not reported
12-062012-06-30 not reported
12-092012-09-30 not reported
12-122012-12-31 not reported
13-032013-03-31 not reported
13-062013-06-30 not reported
13-092013-09-30 not reported
13-122013-12-31 not reported
14-032014-03-31 not reported
14-062014-06-30 not reported
14-092014-09-30 not reported
14-122014-12-31 not reported
15-032015-03-31 not reported
15-062015-06-30 not reported
15-092015-09-30 not reported
15-122015-12-31 not reported
16-032016-03-31 not reported
16-062016-06-30 not reported
16-092016-09-30 not reported
16-122016-12-31 not reported
17-032017-03-31 not reported
17-062017-06-30 not reported
17-092017-09-30 not reported
17-122017-12-31 not reported
18-032018-03-31 not reported
18-062018-06-30 not reported
18-092018-09-30 $208.1M
18-122018-12-31 not reported
19-032019-03-31 $127.7M
19-062019-06-30 $97.1M
19-092019-09-30 $229.0M
19-122019-12-31 $113.2M
20-032020-03-31 $173.0M
20-062020-06-30 $136.0M
20-092020-09-30 $249.0M
20-122020-12-31 $66.0M
21-032021-03-31 $174.0M
21-062021-06-30 $146.0M
21-092021-09-30 $259.0M
21-122021-12-31 $95.0M
22-032022-03-31 $192.0M
22-062022-06-30 $159.0M
22-092022-09-30 $227.0M
22-122022-12-31 $107.0M
23-032023-03-31 $163.0M
23-062023-06-30 $160.0M
23-092023-09-30 $259.0M
23-122023-12-31 $121.0M
24-032024-03-31 $158.0M
24-062024-06-30 $87.0M
24-092024-09-30 $295.0M
24-122024-12-31 $150.0M
25-032025-03-31 $213.0M
25-062025-06-30 $174.0M
25-092025-09-30 $281.0M
25-122025-12-31 $142.0M
26-032026-03-31 $224.0M
26-062026-06-30 $170.0M
Operating income
Latest$185.0M QoQ−25.7% Periods66
$349.0M$230.3M$115.2M$010-032010-03-3118-062018-06-3026-062026-06-30
Operating income by period
PeriodPeriod end Operating income
10-032010-03-31 $109.0M
10-062010-06-30 $100.7M
10-092010-09-30 $246.6M
10-122010-12-31 $99.8M
11-032011-03-31 $127.3M
11-062011-06-30 $70.6M
11-092011-09-30 $209.4M
11-122011-12-31 $106.0M
12-032012-03-31 $95.6M
12-062012-06-30 $108.8M
12-092012-09-30 $213.7M
12-122012-12-31 $101.6M
13-032013-03-31 $120.7M
13-062013-06-30 $103.2M
13-092013-09-30 $201.4M
13-122013-12-31 $108.6M
14-032014-03-31 $154.2M
14-062014-06-30 $103.3M
14-092014-09-30 $194.8M
14-122014-12-31 $91.3M
15-032015-03-31 $152.9M
15-062015-06-30 $109.0M
15-092015-09-30 $235.9M
15-122015-12-31 $79.2M
16-032016-03-31 $145.9M
16-062016-06-30 $128.6M
16-092016-09-30 $162.6M
16-122016-12-31 $99.9M
17-032017-03-31 $147.2M
17-062017-06-30 $153.7M
17-092017-09-30 $236.3M
17-122017-12-31 $134.0M
18-032018-03-31 $165.7M
18-062018-06-30 $151.2M
18-092018-09-30 $256.1M
18-122018-12-31 $121.4M
19-032019-03-31 $176.8M
19-062019-06-30 $149.8M
19-092019-09-30 $290.0M
19-122019-12-31 $160.9M
20-032020-03-31 $188.0M
20-062020-06-30 $168.0M
20-092020-09-30 $272.0M
20-122020-12-31 $112.0M
21-032021-03-31 $198.0M
21-062021-06-30 $176.0M
21-092021-09-30 $289.0M
21-122021-12-31 $132.0M
22-032022-03-31 $248.0M
22-062022-06-30 $212.0M
22-092022-09-30 $309.0M
22-122022-12-31 $159.0M
23-032023-03-31 $222.0M
23-062023-06-30 $217.0M
23-092023-09-30 $322.0M
23-122023-12-31 $182.0M
24-032024-03-31 $222.0M
24-062024-06-30 $130.0M
24-092024-09-30 $313.0M
24-122024-12-31 $221.0M
25-032025-03-31 $257.0M
25-062025-06-30 $223.0M
25-092025-09-30 $349.0M
25-122025-12-31 $196.0M
26-032026-03-31 $249.0M
26-062026-06-30 $185.0M
ZOOM
10-03 26-06

Grade history

Point-in-time: each period shows the grade of the quarter it ends at — grades are never summed or averaged across a window.

Growth 29 Quality 66 Safety 13
025507510010-032010-03-3118-062018-06-3026-062026-06-30

Hover to read every grade at a period · shared with the trends chart · axis fixed 0–100

Grade history by period
PeriodPeriod end GrowthQualitySafety
10-032010-03-31 not scorednot scorednot scored
10-062010-06-30 not scorednot scorednot scored
10-092010-09-30 not scorednot scorednot scored
10-122010-12-31 not scorednot scorednot scored
11-032011-03-31 not scorednot scorednot scored
11-062011-06-30 not scorednot scorednot scored
11-092011-09-30 not scorednot scorednot scored
11-122011-12-31 not scorednot scorednot scored
12-032012-03-31 not scorednot scorednot scored
12-062012-06-30 not scorednot scorednot scored
12-092012-09-30 not scorednot scorednot scored
12-122012-12-31 not scorednot scorednot scored
13-032013-03-31 not scorednot scorednot scored
13-062013-06-30 not scorednot scorednot scored
13-092013-09-30 not scorednot scorednot scored
13-122013-12-31 not scorednot scorednot scored
14-032014-03-31 not scorednot scorednot scored
14-062014-06-30 not scorednot scorednot scored
14-092014-09-30 not scorednot scorednot scored
14-122014-12-31 not scorednot scorednot scored
15-032015-03-31 not scorednot scorednot scored
15-062015-06-30 not scorednot scorednot scored
15-092015-09-30 not scorednot scorednot scored
15-122015-12-31 not scorednot scorednot scored
16-032016-03-31 not scorednot scorednot scored
16-062016-06-30 not scorednot scorednot scored
16-092016-09-30 not scorednot scorednot scored
16-122016-12-31 not scorednot scorednot scored
17-032017-03-31 not scorednot scorednot scored
17-062017-06-30 not scorednot scorednot scored
17-092017-09-30 not scorednot scorednot scored
17-122017-12-31 not scorednot scorednot scored
18-032018-03-31 not scorednot scorednot scored
18-062018-06-30 not scorednot scorednot scored
18-092018-09-30 not scorednot scorednot scored
18-122018-12-31 not scorednot scorednot scored
19-032019-03-31 not scorednot scorednot scored
19-062019-06-30 not scorednot scorednot scored
19-092019-09-30 not scorednot scorednot scored
19-122019-12-31 not scorednot scorednot scored
20-032020-03-31 not scorednot scorednot scored
20-062020-06-30 not scorednot scorednot scored
20-092020-09-30 not scorednot scorednot scored
20-122020-12-31 not scorednot scorednot scored
21-032021-03-31 not scorednot scorednot scored
21-062021-06-30 not scorednot scorednot scored
21-092021-09-30 not scorednot scorednot scored
21-122021-12-31 not scorednot scorednot scored
22-032022-03-31 not scorednot scorednot scored
22-062022-06-30 not scorednot scorednot scored
22-092022-09-30 not scorednot scorednot scored
22-122022-12-31 not scorednot scorednot scored
23-032023-03-31 not scorednot scorednot scored
23-062023-06-30 not scorednot scorednot scored
23-092023-09-30 605742
23-122023-12-31 475929
24-032024-03-31 476022
24-062024-06-30 145018
24-092024-09-30 446740
24-122024-12-31 506320
25-032025-03-31 566213
25-062025-06-30 616225
25-092025-09-30 436241
25-122025-12-31 346131
26-032026-03-31 236727
26-062026-06-30 296613