Companies: 49,245 Total Market Cap: 132638112408962.06

Alliant Energy

NASDAQ: LNT
Utilities Utilities - Regulated Electric
Rank #1244
Market Cap 16.21 B
Volume 2.35 M
Price 63.09
Change (%) 0.98%
Country or region United States United States

Alliant Energy's latest marketcap:

16.21 B

As of 05/20/2025, Alliant Energy's market capitalization has reached $16.21 B. According to our data, Alliant Energy is the 1244th most valuable company globally by market capitalization. Market capitalization, commonly referred to as market cap, represents the total market value of all outstanding shares of a publicly traded company and is often used as a measure of company value.

Market Cap 16.21 B
Revenue (ttm) 4.08 B
Net Income (ttm) 745 M
Shares Out 256.88 M
EPS (ttm) 2.90
Forward PE 19.22
Ex-Dividend Date 04/30/2025
Earnings Date 05/08/2025
Market Cap Chart
Data Updated: 05/20/2025

Alliant Energy's yearly market capitalization.

Alliant Energy has seen its market value grow from $2.49 B to $16.21 B since 1998, representing a total increase of 551.33% and an annual compound growth rate (CAGR) of 7.36%.
Date Market Cap Change (%)
05/20/2025 $16.21 B 4.54%
12/31/2024 $15.18 B 15.92%
12/29/2023 $13.09 B -5.54%
12/30/2022 $13.86 B -9.95%
12/31/2021 $15.39 B 19.58%
12/31/2020 $12.87 B -2.14%
12/31/2019 $13.15 B 31.93%
12/31/2018 $9.97 B 1.18%
12/29/2017 $9.85 B 14.29%
12/30/2016 $8.62 B 21.76%
12/31/2015 $7.08 B -3.92%
12/31/2014 $7.37 B 28.71%
12/31/2013 $5.72 B 17.47%
12/31/2012 $4.87 B -0.45%
12/30/2011 $4.90 B 20.1%
12/31/2010 $4.08 B 21.75%
12/31/2009 $3.35 B 3.88%
12/31/2008 $3.22 B -28.2%
12/31/2007 $4.49 B 2.37%
12/29/2006 $4.38 B 33.8%
12/30/2005 $3.28 B -0.82%
12/31/2004 $3.30 B 19.86%
12/31/2003 $2.76 B 81.67%
12/31/2002 $1.52 B -37.15%
12/31/2001 $2.41 B -4.15%
12/29/2000 $2.52 B 16.33%
12/31/1999 $2.17 B -12.98%
12/31/1998 $2.49 B

Company Profile

About Alliant Energy Corporation

Alliant Energy Corporation is a utility holding company that delivers regulated electric and natural gas services across the United States. Headquartered in Madison, Wisconsin, the company operates through two primary segments: IPL (Interstate Power and Light Company) and WPL (Wisconsin Power and Light Company).

Core Business Segments

  • IPL Segment: Generates and distributes electricity, as well as transports natural gas to retail customers in Iowa. It also supplies wholesale electricity to markets in Minnesota, Illinois, and Iowa, and provides steam generation for select customers in Cedar Rapids, Iowa.
  • WPL Segment: Focuses on electricity generation and distribution, along with natural gas transportation for retail customers in Wisconsin. Additionally, it serves wholesale electricity buyers within the state.

Customer Base

Alliant Energy serves a diverse range of customers, including:

  • Retail sectors such as farming, agriculture, industrial manufacturing, chemicals, packaging, and food industries.
  • Wholesale clients, including municipalities and rural electric cooperatives.

Additional Operations

Beyond utilities, 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 and wind turbine blade recycling services.
  • A rail-served warehouse in Iowa.

Energy Investments

Alliant Energy holds interests in:

  • A natural gas-fired electric generating unit near Sheboygan Falls, Wisconsin.
  • A wind farm located in Oklahoma.

Corporate History

Formerly known as Interstate Energy Corp., the company rebranded as Alliant Energy Corporation in May 1999.

Frequently Asked Questions

As of 05/20/2025, Alliant Energy (including the parent company, if applicable) has an estimated market capitalization of $16.21 B USD. This figure represents the total market value of its outstanding shares, including different share classes. Please note that market capitalization fluctuates based on market conditions, and the actual valuation may differ from the latest estimate.

Alliant Energy global market capitalization ranking is approximately 1244 as of 05/20/2025. This ranking is relative to all publicly traded companies worldwide and can fluctuate based on market dynamics and the performance of other companies. You can refer to our Global companies market cap ranking for the most up-to-date ranking.

Stock Detail

Country or region United States
Founded 1917
IPO Date n/a
Employees 5,442
CEO Lisa Barton
Sector Utilities
Industry Utilities - Regulated Electric
Address 4902 North Biltmore Lane
Madison, Wisconsin 53718
United States
Website https://www.alliantenergy.com