Revenue
$4.43B
Gross profit
$3.8B
Operating income
$980M
Free cash flow
−$1.28B
Trailing 12 months · Q3 25 – Q2 26
Overview
About Alliant Energy
Alliant Energy Corporation operates as a utility holding company that provides regulated electric and natural gas services in the United States. It operates through IPL and WPL segments. The company's IPL segment engages primarily in the generation and distribution of electricity and the distribution and transportation of natural gas to retail customers in select markets in Iowa. This segment also sells electricity to wholesale customers in Minnesota, Illinois and Iowa; and generates and distributes steam for two customers in Cedar Rapids, Iowa. Its WPL segment generates and distributes electricity, and distributes and transports natural gas to retail customers in select markets in Wisconsin; and sells electricity to wholesale customers in Wisconsin. It serves retail customers in the farming, agriculture, industrial manufacturing, chemical, packaging, and food industries, as well as wholesale customers comprising municipalities and rural electric cooperatives. In addition, the company owns and operates a short-line rail freight service in Iowa; a Mississippi River barge, rail, and truck freight terminal in Illinois; freight brokerage services; wind turbine blade recycling services; and a rail-served warehouse in Iowa. Further, it holds interests in a natural gas-fired electric generating unit near Sheboygan Falls, Wisconsin; and a wind farm located in Oklahoma. The company was formerly known as Interstate Energy Corp. and changed its name to Alliant Energy Corporation in May 1999. Alliant Energy Corporation is headquartered in Madison, Wisconsin.
Leadership
- Robert J. DurianMr. Durian has served as Executive VP and Chief Financial Officer (CFO) and He previously served as Senior VP and CFO.
- Lisa M. BartonMs. Barton has served as President and Chief Executive Officer (CEO) and as a director
- Raja SundararajanMr. Sundararajan has served as Executive VP and Chief Strategy Officer and He previously served as Executive VP.
- Dylan M. SyseMr. Syse has served as Chief Accounting Officer and Controller
- Employees
- 2,948
- Business address
- MADISON, WI
- Fiscal year ends
- December 31
- Listed
- Nasdaq · LNT
Share price
Daily closing price. The header shows the latest close, the market cap at that close and the change over the selected range. Hover or tap the chart to read any day.
$64.29
−$2.51 (−3.76%)past year
- Market cap
- $16.7B
- At close
- Oct 5, 2026
Share price vs index
Alliant Energy's share price and the index, each as its percentage change since the first day of the selected range. The shading shows the gap: green while Alliant Energy is ahead, orange while it is behind. The values at the end are each one's change over the range.
Valuation
Market cap divided by trailing 12 months net income (P/E) and revenue (P/S), using the four quarters reported by each day. Turn a series off in the key and the chart rescales to the other.
Revenue mix
Revenue by segment
Q4 23
Revenue reported by each segment. The figure at the top of each column is total revenue. Where a company reports eliminations between segments, the columns show segment revenue before them; hover a column for the eliminations and the reported total. Switch to % to see each segment's share.
Segment growth
Q2 26
Each segment's revenue in the chosen period against the same period a year earlier (YoY), so seasonal swings cancel out, or against the quarter before (QoQ). A year is always compared with the year before. Hover or tap a line to bring it forward.
Income statement
Revenue, gross profit and net income
Q2 26
Revenue, gross profit and net income on one scale, so their sizes can be compared period by period.
Income statement
Q2 26
How revenue becomes net income in the chosen year or quarter. Solid bars are totals; hatched bars are the costs taken off between them.
TotalAddedSubtracted
Operating leverage
Q2 26
Revenue growth against operating expense growth, each against the same quarter a year earlier. While revenue grows faster than opex, each extra dollar of sales keeps more profit.
Cash flow
Operating and free cash flow
Q2 26
Free cash flow is what is left of operating cash flow after capital expenditure. The gap between each pair of bars is that year's capex.
Cash flow statement
Q2 26
The reported movements behind the change in cash in the chosen year or quarter. Solid bars are totals; hatched bars are what was added or taken off between them.
TotalAddedSubtracted
Capital allocation
Q2 26
Operating cash flow above zero; what it was spent on below: capital expenditure, dividends and buybacks.
Balance sheet
Assets, liabilities and equity
Q2 26
The balance sheet at the end of the chosen year or quarter. What the company owns on the left, against what it owes and what belongs to shareholders on the right. Both columns add up to total assets.
Net cash
Q2 26
Cash and short-term investments minus total debt at each quarter end. Below zero, the company owes more than it holds.
Net cashNet debt
War chest
Q2 26
Cash and short-term investments held at each quarter end. The figure at the top of each column is the total.