Ticker League

Operating Margin for Alliant Energy (LNT)

As of · Reported

Metric

TTM

23.0%

YoY change

+1.24pp

Trough year (2005)

4.3%

Peak year (1985)

100.0%

Operating Margin history chart for Alliant Energy (LNT) from 1985 to 2025

Latest: 23.5%

Operating Margin change chart for Alliant Energy (LNT) from 1985 to 2025

Latest: +1.24pp

Operating Margin history table for Alliant Energy (LNT) from 1985 to 2025

  • 202523.5%+1.24pp
  • 202422.3%-1.16pp
  • 202323.4%+1.35pp
  • 202222.1%+0.40pp
  • 202121.7%+0.01pp
  • 202021.7%+0.34pp
  • 201921.3%+1.68pp
  • 201819.6%+0.33pp
  • 201719.3%+2.63pp
  • 201616.7%-1.04pp
  • 201517.7%+1.51pp
  • 201416.2%-0.07pp
  • 201316.3%-0.50pp
  • 201216.8%+3.74pp
  • 201113.1%-3.23pp
  • 201016.3%+4.69pp
  • 200911.6%-1.68pp
  • 200813.3%-8.93pp
  • 200722.2%+10.21pp
  • 200612.0%+7.67pp
  • 20054.3%-10.24pp
  • 200414.6%+1.99pp
  • 200312.6%+0.14pp
  • 200212.4%+0.33pp
  • 200112.1%-1.87pp
  • 200014.0%-3.16pp
  • 199917.1%+3.83pp
  • 199813.3%+7.71pp
  • 19975.6%-9.57pp
  • 199615.2%-3.36pp
  • 199518.5%+2.60pp
  • 199415.9%-84.08pp
  • 1993100.0%0.00pp
  • 1992100.0%0.00pp
  • 1991100.0%0.00pp
  • 1990100.0%0.00pp
  • 1989100.0%0.00pp
  • 1988100.0%0.00pp
  • 1987100.0%0.00pp
  • 1986100.0%0.00pp
  • 1985100.0%—

Operating Margin values are taken from Alliant Energy's reported income statements (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.

About Operating Margin at Alliant Energy (LNT)

According to Alliant Energy's latest reported financial statements, the company's latest reported operating margin is 23.0%. Operating margin is operating income divided by revenue — the share of each sales dollar left after cost of goods sold and operating expenses (SG&A, R&D), but before interest and taxes. It isolates how profitable the core business is before financing and tax decisions, so it is comparable across companies with different capital structures.

Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .

The 2025 reading of Alliant Energy (LNT) operating margin is 23.50% – expanded 1.2 percentage points year-over-year.

The highest annual operating margin of 100.00% was reported in 1985. The lowest in the available history was 4.32% in 2005.

Alliant Energy Operating Margin by Year

Alliant Energy Operating Margin 2025: 23.5%

Alliant Energy operating margin in 2025 was 23.50%, expanded 1.2 percentage points from 2024.

Alliant Energy Operating Margin 2024: 22.3%

2024's operating margin for Alliant Energy came in at 22.26%, contracted 1.2 percentage points from 2023.

Alliant Energy Operating Margin 2023: 23.4%

Alliant Energy posted operating margin of 23.42% in 2023, expanded 1.3 percentage points from 2022.

Alliant Energy Operating Margin 2022: 22.1%

In 2022, Alliant Energy reported operating margin of 22.07%, expanded 0.4 percentage points from 2021.

Alliant Energy Operating Margin 2021: 21.7%

Alliant Energy operating margin in 2021 was 21.67%.

See more financial history for Alliant Energy (LNT).

Sector peers by Operating Margin

Utilities peers of Alliant Energy (LNT), ranked by their latest operating margin

Frequently asked questions

Alliant Energy (LNT) Key Financials

Charts, filings, and peer comparison for every metric

Explore more

Deep-dives across the income statement, cash flow, capital return, and valuation

Overview