Identity graph
Alliant Energy headquarters, locations and relationships
- Legal name
- Alliant Energy Corporation
- Industry
- Electricity Distribution
- Ticker
- NASDAQ: LNT
- Phone
- +1 608 458 3311
- Website
- alliantenergy.com
Alliant Energy office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Madison | Wisconsin | United States | Headquarters |
| Nelson | England | United Kingdom | Office |
| Albert Lea | Minnesota | United States | Office |
| Armstrong | Iowa | United States | Office |
| Baraboo | Wisconsin | United States | Office |
| Beaver Dam | Wisconsin | United States | Office |
- Parent company
- No parent company recorded in GraphIQ.ai.
- Competitors
- Alliant Energy competes with 11 organizations in the GraphIQ.ai identity graph.
Verified from public filings, company websites and news · Methodology
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Territories, enrichment and account expansion on one resolved account.
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Developers
About Alliant Energy
Alliant Energy (NASDAQ: LNT) is headquartered in Madison, Wisconsin, United States. The company has 124 recorded locations across 2+ countries and employs approximately 2,948 people worldwide.
Where is Alliant Energy's main office?
Alliant Energy's main headquarters office is located at Madison, Wisconsin 53706, United States. This is the company's primary corporate address.
Alliant Energy regional offices
Beyond its headquarters in Madison, Alliant Energy has recorded locations in United States and United Kingdom.
Alliant Energy contact information
The main switchboard for Alliant Energy headquarters can be reached at +1 608 458 3311. Official website: alliantenergy.com.
What does Alliant Energy do?
Alliant Energy Corporation provides public-utility services. The Company supplies electricity, natural gas, and water to residential and commercial customers. Alliant Energy serves customers in the States of Illinois, Iowa, Minnesota, and Wisconsin.
One entity, every stage
Put Alliant Energy to work across your revenue bowtie
- Target Define the market Build the account list from companies shaped like your best customers, Alliant Energy included. Fingerprint search
- Cover Plan territories Alliant Energy's 124 locations roll up to one account, so it lands in one territory, once. Territory planning
- Engage Act on timing Leadership changes, funding and M&A arrive linked to the account, not a loose headline. Signal monitoring
- Convert Close on a resolved record Inbound and closed-won attach to one CRM record, with no duplicates to merge. CRM enrichment
- Retain Ground every answer Customer teams and AI agents answer from the same entity, with a source and a date. AI agent data layer
- Expand Find the next buyer inside Follow subsidiaries and divisions to the next team that can buy. Account expansion
About the source
What is GraphIQ.ai?
A B2B identity graph. It resolves each organization into one verified entity and maps its parent and subsidiaries, employees, competitors and news signals. Revenue teams use it in the product; AI agents query it through the REST API and MCP server.
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Alliant Energy: frequently asked questions
Where is Alliant Energy headquarters?
Madison, Wisconsin 53706, United States.
What is Alliant Energy's phone number?
+1 608 458 3311 (headquarters).
How many employees does Alliant Energy have?
About 2,948, as of October 2026 (GraphIQ.ai estimate).
How many offices does Alliant Energy have?
124 locations across 2+ countries, including Nelson, Albert Lea, Armstrong, Baraboo.
Is Alliant Energy a public company?
Yes. Alliant Energy trades on NASDAQ under the ticker LNT.
Questions about GraphIQ.ai
Is GraphIQ.ai a list of companies like a spreadsheet?
No. Each organization resolves to one verified entity linked to its parent, subsidiaries, people and signals, so Alliant Energy here is the same Alliant Energy in your CRM, territory plan and agent answers.
Where does this Alliant Energy data come from?
Public filings, company websites and news, resolved to one entity and continuously updated.