Company Insights
Published on
April 22, 2026

How Many People Work at Alliant Energy? Headcount and Employee Trends

Total Employees
3000
7.2% from last year
0
New Hires (YTD)
15
5% of total workforce
Departments
19
650 in Engineering
Locations
191
5,012 in New York, NY
  • Alliant Energy Corporation, headquartered in Madison, Wisconsin, provides gas and electric utility services and has affirmed a strong market position with a GAAP earnings per share of $3.14 in 2025, up from $2.69 in 2024.
  • In the past year, Alliant Energy has increased its capital expenditure forecast by 17% to $13.4 billion to meet growing demand and reaffirmed its ongoing earnings guidance for 2026 at $3.36 - $3.46 per share.
  • The company has established partnerships with data centers, increasing contracted demand to 3 GW, which represents a 50% increase in peak load demand by 2030, showcasing its commitment to supporting large-scale energy needs.
  • Ideal buyers for Alliant Energy include large-scale commercial and industrial customers, particularly in the data center sector, as they seek reliable energy solutions to address increasing demand and sustainability goals.

Alliant Energy Headcount Breakdown by Department

Alliant Energy's workforce is organized into 19 departments, with a significant concentration in Operations, which employs 533 individuals. Information Technology follows closely with 372 employees, reflecting the company's commitment to technological advancement. The Executive department, with 275 staff members, underscores the leadership structure necessary for strategic decision-making. This diverse departmental mix supports a balanced operational framework, enabling effective service delivery across the utilities sector.

Operations
533
Information Technology
372
Executive
275
Finance
147
Community And Social Services
146
Engineering
74
Human Resources
60
Sales
51
Marketing
31
Other
654

Alliant Energy Employees by Location

The company's workforce is distributed across 191 locations, with the highest concentration in Madison, WI, housing 618 employees, followed by Cedar Rapids, IA, with 430 staff members. This geographic distribution highlights a strong presence in the Midwest, while the 'Other' category, comprising 973 employees, indicates a broad operational reach across various smaller locations. Such a distribution allows for localized service delivery while maintaining a cohesive organizational structure.

Madison, WI
618
Cedar Rapids, IA
430
Janesville, WI
26
Beloit, WI
24
Des Moines, IA
20
Sun Prairie, WI
17
Windsor, WI
16
Ames, IA
15
Burlington, IA
15
Other
973
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