When was Adden Energy founded?

Adden Energy was founded in 2021 and raised its 1st funding round 1 year after it was founded.

Where is Adden Energy located?

Adden Energy is headquartered in Waltham, United States.

Who is the current CEO of Adden Energy?

William Fitzhugh of Adden Energy. They have also founded 1 company.

How many employees does Adden Energy have?

As of May 31, 2026, the latest employee count at Adden Energy is 22.

Is Adden Energy a funded company?

Adden Energy is a funded company, having raised a total of $20.1M across 4 funding rounds to date. The company's 1st funding round was a $***** Grant (prize money) round, raised on Sep 01, 2022.

When was the latest funding round of Adden Energy?

Adden Energy's latest funding was a $***** Series A round on Aug 30, 2024, with participation from 4 investors. Its primary sector is Energy Storage Tech. In United States, the Energy Storage Tech sector has seen $1.73B in funding in 2026 to date.

Where does Adden Energy rank among its competitors?

Adden Energy ranks 7th amongst 40 active competitors, of which 18 are funded. It stands 4th in terms of total funding among its competitors. The most recent competitor to raise funding was South 8, which secured an undisclosed amount in Apr, 2026.

Who are the top competitors of Adden Energy?

Adden Energy's top competitors include South 8, GFCL EV and Safire Technology Group. Among them, South 8 secured the most recent funding round in April, 2026.

Adden Energy - 2026 Company Profile, Team, Funding & Competitors

Company Details

Provider of solutions for solid state batteries. It provides solid state electrolytes and a battery system. It has created new machine learning and throughput computational chemistry algorithms which can predict and design solid electrolytes with improved performance.

Key Metrics

Founded Year

2021

Location

Waltham, United States

Stage

Series A

Total Funding

$20.1M in 4 rounds

Latest Funding Round

Series A, Aug 30, 2024, $*****

Investors

Primavera & 5 more

Ranked

7^th among 40 active competitors

Employee Count

22 as on May 31, 2026

Similar Companies

Ionic Materials & 13 more

View Adden Energy's full profile

Adden Energy is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
Adden Energy, Inc CIN: 1912559 , United States, Active	May 09, 2022	-	-	-

Adden Energy has raised a total funding of $20.1M over 4 rounds. Its first funding round was on Sep 01, 2022. Its latest funding round was a Series A round on Aug 30, 2024 for $*****. 4 investors participated in its latest round. Adden Energy has 6 institutional investors.

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

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Aug 30, 2024	2985918	Series A	2398549	1521351	9335951	6021230
Apr 01, 2024	4308016	Grant (prize money)	1519752	4014303	9830329	National Science Foundation
Sep 01, 2022	4018157	Seed	9289674	1930549	Primavera	Rhapsody Venture Partners & 1 more

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View details of Adden Energy's funding rounds and investors

The founders of Adden Energy is William Fitzhugh. William Fitzhugh is the CEO of Adden Energy.

Here are the details of Adden Energy's key team members:

William Fitzhugh: Co-Founder & CEO of Adden Energy.
Contact Info: 1 email address

View details of Adden Energy's Founder profiles and Board Members

Adden Energy's employee count trend

Adden Energy has 22 employees as of May 26. Here is Adden Energy's employee count trend over the years:

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Top competitors of Adden Energy include South 8, GFCL EV and Safire Technology Group. Here is the list of Top 10 competitors of Adden Energy, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	South 8 2013, San Diego (United States), Series B	Liquefied gas electrolyte for lithium ion batteries	$23M	Lockheed Martin, Shell & 17 others	62/100
2nd	GFCL EV 2021, Noida (India), Series D	Provider of intermediate chemicals for lithium and sodium-ion battery applications	$119M	-	56/100
3rd	Safire Technology Group 2020, Mclean (United States), Seed	Developer of hybrid-state liquid-to-solid shear thickening battery safety technology	$13.7M	Canaan, MaC Venture Capital & 7 others	53/100
4th	Elementium 2024, Somerville (United States), Seed	Provider of battery components	$3M	-	53/100
5th	Ionic Materials 2012, Woburn (United States), Series C	Solid state polymer electrolyte material	$65M	Total, Hyundai Cradle & 8 others	49/100
6th	Enchem 2012, Jecheon si (South Korea), Public	Developer of electrolytes	-	E&Investment, GNTech Venture Capital & 5 others	49/100
7th	Adden Energy 2021, Waltham (United States), Series A	Provider of solutions for solid state batteries	$20.1M	Primavera, MassVentures & 4 others	47/100
8th	Ampcera 2017, Milpitas (United States), Series A	Developer of solid electrolyte materials	$15M	Hanwhasolutions, DOE & 2 others	46/100
9th	Feon Energy 2022, Woburn (United States), Seed	Provider of lithium battery technology solution	$14.2M	Fine Structure Ventures, MassVentures & 4 others	45/100
10th	Silatronix 2007, Madison (United States), Acquired	Developer of nanostructured electorde	$14.9M	Foley Ventures, Hitachi Chemical & 8 others	44/100