LN
ALLIANT ENERGY CORP
LNT Utilities · Utilities
Latest period 2026-06-30 · 37 filings on record
SHOWING
Trailing twelve months — each point sums the four quarters ending there.
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
OVERVIEWvs prior TTM Δ
Trailing twelve months · ending 2026-06-30 · green = improving · click a row to chart it
Revenue $4.4B +0.2% Gross margin 85.8% −0.1pp Operating margin 22.1% −0.9pp Net margin 18.5% −0.1pp Net income $817.0M −0.5% CHARTED
Debt / equity
1.56
+1.0%
EPS (diluted)
—
—
EBITDA
$1.8B
−1.4%
Filings
TTM 21-09 → TTM 26-06 · following the period bar 23 match| Year | Q1 | Q2 | Q3 | FY |
|---|---|---|---|---|
| 2026 | 10-Q Q1 2026 | no filing | no filing | no filing |
| 2025 | 10-Q Q1 2025 | 10-Q Q2 2025 | 10-Q Q3 2025 | 10-K FY 2025 |
| 2024 | 10-Q Q1 2024 | 10-Q Q2 2024 | 10-Q Q3 2024 | 10-K FY 2024 |
| 2023 | 10-Q Q1 2023 | 10-Q Q2 2023 | 10-Q Q3 2023 | 10-K FY 2023 |
| 2022 | 10-Q Q1 2022 | 10-Q Q2 2022 | 10-Q Q3 2022 | 10-K FY 2022 |
| 2021 | 10-Q Q1 2021 | 10-Q Q2 2021 | 10-Q Q3 2021 | 10-K FY 2021 |
| 2020 | no filing | no filing | no filing | 10-K FY 2020 |
All 23 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 →Filing-level fact detail is a Pro feature. The grades and figures above are free. See Pro plans
Trends
Trailing twelve months, rolling one quarter at a time
Revenue
| Period | Period end | Revenue |
|---|---|---|
| TTM 21-09 | 2021-09-30 | $3.6B |
| TTM 21-12 | 2021-12-31 | $3.7B |
| TTM 22-03 | 2022-03-31 | $3.8B |
| TTM 22-06 | 2022-06-30 | $4.0B |
| TTM 22-09 | 2022-09-30 | $4.1B |
| TTM 22-12 | 2022-12-31 | $4.2B |
| TTM 23-03 | 2023-03-31 | $4.2B |
| TTM 23-06 | 2023-06-30 | $4.2B |
| TTM 23-09 | 2023-09-30 | $4.1B |
| TTM 23-12 | 2023-12-31 | $4.0B |
| TTM 24-03 | 2024-03-31 | $4.0B |
| TTM 24-06 | 2024-06-30 | $4.0B |
| TTM 24-09 | 2024-09-30 | $4.0B |
| TTM 24-12 | 2024-12-31 | $4.0B |
| TTM 25-03 | 2025-03-31 | $4.1B |
| TTM 25-06 | 2025-06-30 | $4.1B |
| TTM 25-09 | 2025-09-30 | $4.3B |
| TTM 25-12 | 2025-12-31 | $4.4B |
| TTM 26-03 | 2026-03-31 | $4.4B |
| TTM 26-06 | 2026-06-30 | $4.4B |
Net income
| Period | Period end | Net income |
|---|---|---|
| TTM 21-09 | 2021-09-30 | $645.0M |
| TTM 21-12 | 2021-12-31 | $674.0M |
| TTM 22-03 | 2022-03-31 | $692.0M |
| TTM 22-06 | 2022-06-30 | $705.0M |
| TTM 22-09 | 2022-09-30 | $673.0M |
| TTM 22-12 | 2022-12-31 | $685.0M |
| TTM 23-03 | 2023-03-31 | $656.0M |
| TTM 23-06 | 2023-06-30 | $657.0M |
| TTM 23-09 | 2023-09-30 | $689.0M |
| TTM 23-12 | 2023-12-31 | $703.0M |
| TTM 24-03 | 2024-03-31 | $698.0M |
| TTM 24-06 | 2024-06-30 | $625.0M |
| TTM 24-09 | 2024-09-30 | $661.0M |
| TTM 24-12 | 2024-12-31 | $690.0M |
| TTM 25-03 | 2025-03-31 | $745.0M |
| TTM 25-06 | 2025-06-30 | $832.0M |
| TTM 25-09 | 2025-09-30 | $818.0M |
| TTM 25-12 | 2025-12-31 | $810.0M |
| TTM 26-03 | 2026-03-31 | $821.0M |
| TTM 26-06 | 2026-06-30 | $817.0M |
Operating income
| Period | Period end | Operating income |
|---|---|---|
| TTM 21-09 | 2021-09-30 | $775.0M |
| TTM 21-12 | 2021-12-31 | $795.0M |
| TTM 22-03 | 2022-03-31 | $845.0M |
| TTM 22-06 | 2022-06-30 | $881.0M |
| TTM 22-09 | 2022-09-30 | $901.0M |
| TTM 22-12 | 2022-12-31 | $928.0M |
| TTM 23-03 | 2023-03-31 | $902.0M |
| TTM 23-06 | 2023-06-30 | $907.0M |
| TTM 23-09 | 2023-09-30 | $920.0M |
| TTM 23-12 | 2023-12-31 | $943.0M |
| TTM 24-03 | 2024-03-31 | $943.0M |
| TTM 24-06 | 2024-06-30 | $856.0M |
| TTM 24-09 | 2024-09-30 | $847.0M |
| TTM 24-12 | 2024-12-31 | $886.0M |
| TTM 25-03 | 2025-03-31 | $921.0M |
| TTM 25-06 | 2025-06-30 | $1.0B |
| TTM 25-09 | 2025-09-30 | $1.1B |
| TTM 25-12 | 2025-12-31 | $1.0B |
| TTM 26-03 | 2026-03-31 | $1.0B |
| TTM 26-06 | 2026-06-30 | $979.0M |
ZOOM
TTM 10-12
TTM 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
Hover to read every grade at a period · shared with the trends chart · axis fixed 0–100
| Period | Period end | Growth | Quality | Safety |
|---|---|---|---|---|
| TTM 21-09 | 2021-09-30 | not scored | not scored | not scored |
| TTM 21-12 | 2021-12-31 | not scored | not scored | not scored |
| TTM 22-03 | 2022-03-31 | not scored | not scored | not scored |
| TTM 22-06 | 2022-06-30 | not scored | not scored | not scored |
| TTM 22-09 | 2022-09-30 | not scored | not scored | not scored |
| TTM 22-12 | 2022-12-31 | not scored | not scored | not scored |
| TTM 23-03 | 2023-03-31 | not scored | not scored | not scored |
| TTM 23-06 | 2023-06-30 | not scored | not scored | not scored |
| TTM 23-09 | 2023-09-30 | 60 | 57 | 42 |
| TTM 23-12 | 2023-12-31 | 47 | 59 | 29 |
| TTM 24-03 | 2024-03-31 | 47 | 60 | 22 |
| TTM 24-06 | 2024-06-30 | 14 | 50 | 18 |
| TTM 24-09 | 2024-09-30 | 44 | 67 | 40 |
| TTM 24-12 | 2024-12-31 | 50 | 63 | 20 |
| TTM 25-03 | 2025-03-31 | 56 | 62 | 13 |
| TTM 25-06 | 2025-06-30 | 61 | 62 | 25 |
| TTM 25-09 | 2025-09-30 | 43 | 62 | 41 |
| TTM 25-12 | 2025-12-31 | 34 | 61 | 31 |
| TTM 26-03 | 2026-03-31 | 23 | 67 | 27 |
| TTM 26-06 | 2026-06-30 | 29 | 66 | 13 |