When was Alliant Energy founded?

Alliant Energy was founded in 1917 and raised its 1st funding round 82 years after it was founded.

Where is Alliant Energy located?

Alliant Energy is headquartered in Madison, United States. It is registered at Madison, Wisconsin.

Who is the current CEO of Alliant Energy?

John O Larsen and Patricia Leonard Kampling s of Alliant Energy.

How many employees does Alliant Energy have?

As of Sep 30, 2026, the latest employee count at Alliant Energy is 2648.

Is Alliant Energy a funded company?

Alliant Energy is a funded company, having raised an undisclosed amount across 4 funding rounds to date. The company's 1st funding round was a $***** Venture Debt round, raised on Nov 11, 1999.

When was the latest funding round of Alliant Energy?

Alliant Energy's latest funding was a $***** Post IPO round on Oct 15, 2016, with participation from 0 investor.

What is the annual revenue of Alliant Energy?

Annual revenue of Alliant Energy is more than $1B as on Dec 31, 2025

Where does Alliant Energy rank among its competitors?

Alliant Energy ranks 1st amongst 355 active competitors, of which 6 are funded. It stands 1st in terms of total funding among its competitors. The most recent competitor to raise funding was NiSource, which secured an undisclosed amount in Jan, 2022.

Who are the top competitors of Alliant Energy?

Alliant Energy's top competitors include Just Energy, NW Natural and UGI Corporation. Among them, NiSource secured the most recent funding round in January, 2022.

Alliant Energy - 2026 Company Profile, Team, Funding, Competitors & Financials

Alliant Energy is a public company based in Madison (United States), founded in 1917. It operates as an Electricity and gas distribution services. Alliant Energy has raised an undisclosed amount in funding. The company has 355 active competitors, including 6 funded and 90 that have exited. Its top competitors include companies like Just Energy, NW Natural and UGI Corporation.

Company Details

Alliant Energy offers gas and electricity distribution services. The service caters to both residential and commercial users. Its distribution service is limited to IOWA and Wisconsin area. Alliant Energy sources some of its energy through renewable energy sources such as solar, wind, and hydro. It also offers assistance to its customers to establish solar and wind generation systems at home and connect the same to its grid. In 2022, the company recorded annual revenues of $4.21B and a net profit of $0.66B

Website: www.alliantenergy.com/
Social
Phone Number: +1 **********
Registered Address: Madison, Wisconsin

Key Metrics

Founded Year

1917

Location

Madison, United States

Stage

Public

Latest Funding Round

Post IPO, Oct 15, 2016, $*****

Investors

Silverton Partners & 1 more

Ranked

1^st among 355 active competitors

Annual Revenue

$1B+ as on Dec 31, 2025

Employee Count

2,648 as on Sep 30, 2026

Investment & Acquisitions

CellCura & 1 more

Similar Companies

National Grid & 868 more

Exit Details

Public

View Alliant Energy's full profile

Alliant Energy is associated with 2 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Reports
ALLIANT ENERGY CORP CIN: 352541 , United States, Active		$1B+ (As on Dec 31, 2025)	-	-
ALLIANT ENERGY CORPORATE SERVICES, INC. CIN: 391914946 , United States, Active	Dec 26, 999	-	2987 (As on Dec 31, 2024)	-

Alliant Energy got listed on Jun 30, 1972.

Click here to take a look at Alliant Energy's IPO in detail

Alliant Energy has raised funding over 4 rounds. Its first funding round was on Nov 11, 1999. Alliant Energy has 2 institutional investors.

Here is the list of recent funding rounds of Alliant Energy:

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Oct 15, 2016	4961902	Post IPO	5765607	3320372	7848950	1100848
May 14, 2010	1113104	Grant (prize money)	2802200	5700187	5720893	OSTI
Dec 26, 2002	8481143	Venture Debt	8737382	5105773	3208398	6122023

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View details of Alliant Energy's funding rounds and investors

Alliant Energy's employee count trend

Alliant Energy has 2,648 employees as of Sep 26. Here is Alliant Energy's employee count trend over the years:

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Top competitors of Alliant Energy include Just Energy, NW Natural and UGI Corporation. Here is the list of Top 10 competitors of Alliant Energy, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Alliant Energy 1917, Madison (United States), Public	Electricity and gas distribution services	-	Silverton Partners, OSTI	74/100
2nd	Just Energy 2009, Mississauga (Canada), Acquired	Retail provider of electricity and natural gas commodities	-	Sagard	67/100
3rd	NW Natural 1859, Portland (United States), Public	Provider of natural gas distribution and related services	-	-	67/100
4th	UGI Corporation 1882, Philadelphia (United States), Public	Energy corporation and LPG distributor	-	-	66/100
5th	Exelon 2000, Chicago (United States), Public	Provider of energy services with an electric and natural gas distribution	-	Ideocolab, OSTI & 1 others	66/100
6th	Black Hills Corporation 1941, Rapid City (United States), Public	Natural gas and power distribution company	-	-	64/100
7th	Ferrellgas 1939, Overland Park (United States), Public	Provider of propane delivery and related services	-	Sixth Street Specialty Lending, PNC	62/100
8th	NiSource 1912, Merrillville (United States), Public	Electricity and natural gas distribution service provider	-	Elliott Management	62/100
9th	Atmos Energy 1906, Dallas (United States), Public	Natural gas distribution service provider	-	USGS	61/100
10th	Peoples Gas 1850, Chicago (United States), Funding Raised	Provider of natural gas service and related infrastructure	-	-	60/100