Alliant Energy Corporation (LNT) Stock

NASDAQ: LNTProvides regulated electric and natural gas services to customers in Iowa and Wisconsin, emphasizing clean energy and community engagement.

Alliant Energy stock price chart

LNT stock quote & key statistics

Alliant Energy earnings per share

Income →
Earnings per share

Alliant Energy revenue & net income

Income →
RevenueNet income

Alliant Energy annual financials

Income statement →
Alliant Energy Corporation revenue, net income and EPS by fiscal year
Fiscal yearRevenueNet incomeEPS
FY2025$4.36B$810.0M$3.23
FY2024$3.98B$690.0M$3.04
FY2023$4.03B$703.0M$2.82
FY2022$4.21B$686.0M$2.76
FY2021$3.67B$674.0M$2.62

Fiscal year ending December 31. Source: company filings via EODHD.

About Alliant Energy Corporation

Alliant Energy Corporation functions as a utility holding company specializing in the provision of regulated electricity and natural gas services. Operating through three key segments Utility Electric Operations, Utility Gas Operations, and Utility Other the company delivers essential energy solutions across its service areas. Through its subsidiary Interstate Power and Light Company (IPL), Alliant Energy primarily generates and distributes electricity and transports natural gas to retail customers in Iowa. Additionally, IPL supplies steam in Cedar Rapids, Iowa, and sells electricity wholesale in Minnesota, Illinois, and Iowa.

Wisconsin Power and Light Company (WPL), another subsidiary of Alliant Energy, serves customers in Wisconsin by generating and distributing electricity and distributing natural gas. WPL also engages in wholesale electricity sales within Wisconsin. As of December 31, 2021, IPL provided electricity and natural gas services to approximately 500,000 and 225,000 retail customers respectively, while WPL served around 485,000 electricity customers and 200,000 natural gas customers. The company's customer base spans diverse industries including farming, agriculture, industrial manufacturing, chemicals, and packaging and food production.

Beyond its core utility operations, Alliant Energy owns and operates a short-line rail freight service in Iowa, a freight terminal on the Mississippi River supporting barge, rail, and truck freight, and a rail-served warehouse in Iowa. It also offers freight brokerage services and holds interests in energy infrastructure assets such as a 347 MW natural gas-fired electric generating unit in Wisconsin and a 225 MW wind farm located in Oklahoma. Founded in 1981 and headquartered in Madison, Wisconsin, Alliant Energy continues to expand its energy services and infrastructure to meet the evolving needs of its customers and communities.

Alliant Energy stock FAQ

What is the Alliant Energy stock ticker symbol?

Alliant Energy Corporation trades on the NASDAQ under the ticker symbol LNT.

What sector and industry is Alliant Energy in?

Alliant Energy Corporation is classified in the Utilities sector, Utilities - Regulated Electric industry.

How many employees does Alliant Energy have?

Alliant Energy Corporation has about 2,948 full-time employees.

What were Alliant Energy's revenue and earnings last fiscal year?

Alliant Energy reported revenue of $4.36B and net income of $810.0M in fiscal 2025, with earnings per share of $3.23. Revenue grew 9.6% from the prior year.

Is Alliant Energy in the S&P 500?

Yes. Alliant Energy Corporation (LNT) is a component of the S&P 500, the index of 500 leading U.S. companies widely used as a benchmark for the U.S. stock market.

Is Alliant Energy in the Russell 1000?

Yes. Alliant Energy Corporation (LNT) is a component of the Russell 1000, which tracks roughly the 1,000 largest U.S. companies.

When did Alliant Energy go public?

Alliant Energy stock began trading on January 5, 1988.

S&P 500 Utilities stocks

All S&P 500 →