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Alliant Energy's Overview

Total employees2510
HeadquartersMadison
Founded1917

Alliant Energy Corporation (NASDAQ: LNT) is a U.S. public utility holding company headquartered in Madison, Wisconsin. It provides regulated electricity and natural gas service to approximately 995,000 electric and 425,000 natural gas customers across Iowa and Wisconsin through its two main subsidiaries: Interstate Power and Light Company (IPL) and Wisconsin Power and Light Company (WPL). The company is focused on delivering safe, reliable, and affordable energy while transitioning to cleaner energy sources. Alliant Energy is committed to its customers, communities, and shareholders, investing in infrastructure modernization and renewable energy projects like solar and wind.

Where is Alliant Energy's Headquarters?

HQ Function

Serves as the central hub for corporate strategy, executive leadership, financial operations, regulatory affairs, human resources, and overall management of its utility subsidiaries.

Notable Features:

Modern office campus designed to facilitate collaboration and innovation. It may incorporate energy-efficient designs reflecting the company's commitment to sustainability.

Work Culture:

The work culture at Alliant Energy's headquarters emphasizes safety, customer focus, community engagement, innovation, and a drive towards a cleaner energy future. It fosters a collaborative environment with a focus on professional development and operational excellence.

HQ Significance:

The Madison headquarters is pivotal for strategic decision-making that impacts energy delivery, infrastructure investment, and policy for nearly 1.4 million customers in Iowa and Wisconsin. It's the nerve center for the company's transition to renewable energy.

Values Reflected in HQ: The headquarters likely reflects Alliant Energy's values of safety, operational excellence, customer service, sustainability, and community involvement through its design, operations, and employee engagement initiatives.

Location:

Alliant Energy's operations are primarily focused within the United States, specifically serving communities across Iowa and Wisconsin. While the company may procure equipment, technology, or services from global suppliers, its core business of energy generation, transmission, and distribution is domestic. It does not have significant operational offices or direct service territories outside the U.S.

Street Address:

4902 North Biltmore Lane

City:

Madison

State/Province:

Wisconsin

Country:

USA

Alliant Energy's Global Presence

Cedar Rapids, Iowa, USA

Address: 200 1st St SE, Cedar Rapids, IA 52401

Manages and supports energy generation, transmission, and distribution infrastructure, as well as customer relations within Alliant Energy's Iowa service territory.

Dubuque, Iowa, USA

Address: 2600 Dodge St, Dubuque, IA 52003

Ensures reliable energy delivery and provides localized support to customers in the Dubuque area and surrounding communities.

Sheboygan, Wisconsin, USA

Address: 1225 N Water St, Sheboygan, WI 53081

Supports the energy needs and customer service for WPL customers in the Sheboygan region and contributes to the overall reliability of the Wisconsin grid.

Buying Intent Signals for Alliant Energy

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of Alliant Energy

As of April 2025, Alliant Energy' leadership includes:

John O. Larsen - Chair, President and Chief Executive Officer
Robert J. Durian - Executive Vice President and Chief Financial Officer
Lisa M. Barton - Executive Vice President and Chief Operating Officer
Michael L. Luhrs - Executive Vice President and Chief Customer Officer
Christie Mason - Senior Vice President – Human Resources and Ethics & Compliance Officer
Brent L. Senseney - Senior Vice President, General Counsel and Corporate Secretary

Investors of Alliant Energy

Alliant Energy has been backed by several prominent investors over the years, including:

The Vanguard Group, Inc.
BlackRock, Inc.
State Street Corporation
T. Rowe Price Associates, Inc.
Geode Capital Management, LLC
Wellington Management Company LLP

Executive New Hires/Exits in the Last 12 Months

Hire2
Exits0

Alliant Energy has seen some key appointments and transitions in its executive team over the past year, strengthening its leadership in critical areas like operations, customer experience, and human resources.

New Appointments:

Lisa M. Barton, Lisa M. Barton appointed as Executive Vice President and Chief Operating Officer, responsible for the company's generation fleet, energy markets, and technology.
Christie Mason, Christie Mason appointed as Senior Vice President – Human Resources and Ethics & Compliance Officer, leading human resources strategy and compliance programs.

Technology (Tech Stack) used by Alliant Energy

Discover the tools Alliant Energy uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

Alliant Energy Email Formats and Examples

Alliant Energy primarily uses the email format of [firstinitial][lastname]@alliantenergy.com. Variations such as [firstname][lastname]@alliantenergy.com or [firstname].[lastname]@alliantenergy.com might also be in use for some employees or departments.

firstinitiallastname@alliantenergy.com

Format

jdoe@alliantenergy.com

Example

80%

Success rate

News and media

PR Newswire2024-05-02

Alliant Energy news title: Alliant Energy Announces First Quarter 2024 Results; Reaffirms 2024 Earnings Guidance

Alliant Energy Corporation announced GAAP earnings per share (EPS) from continuing operations of $0.73 for the first quarter of 2024, compared to $0.74 in 2023. The company reaffirmed its 2024 EPS guidance range of $2.99 to $3.13....more

Alliant Energy News Center2024-04-23

Alliant Energy news title: Alliant Energy to construct two new solar projects in Sheboygan County

Alliant Energy announced plans to build two new solar projects in Sheboygan County, Wisconsin. The Woodview Solar Project and Onion River Solar Project will add nearly 200 megawatts of renewable energy, enough to power approximately 50,000 homes....more

PR Newswire2024-02-20

Alliant Energy news title: Alliant Energy announces Christie Mason as Senior Vice President – Human Resources and Ethics & Compliance Officer

Alliant Energy appointed Christie Mason as Senior Vice President – Human Resources and Ethics & Compliance Officer, effective February 20, 2024. Mason will lead all aspects of the company's human resources and ethics and compliance functions....more

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