When was One Energy founded?

One Energy was founded in 2009 and raised its 1st funding round 4 years after it was founded.

Where is One Energy located?

One Energy is headquartered in Toledo, United States.

How many employees does One Energy have?

As of Sep 30, 2026, the latest employee count at One Energy is 36.

Is One Energy a funded company?

One Energy is a funded company, having raised a total of $5.25M across 4 funding rounds to date. The company's 1st funding round was a $***** Seed round, raised on Oct 01, 2013.

When was the latest funding round of One Energy?

One Energy's latest funding was a $***** Seed round on Sep 28, 2018, with participation from 0 investor.

Where does One Energy rank among its competitors?

One Energy ranks 38th amongst 192 active competitors, of which 14 are funded. It stands 3rd in terms of total funding among its competitors. The most recent competitor to raise funding was Swift Current Energy, which secured $750M in Aug, 2026.

Who are the top competitors of One Energy?

One Energy's top competitors include Invenergy, Longroad Energy and Ameresco. Among them, Swift Current Energy secured the most recent funding round in August, 2026.

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

One Energy is a seed company based in Toledo (United States), founded in 2009. It operates as a Turnkey developers. One Energy has raised $5.25M in funding. The company has 192 active competitors, including 14 funded and 23 that have exited. Its top competitors include companies like Invenergy, Longroad Energy and Ameresco.

Company Details

Website: oneenergy.com
Social
Email ID: *****@oneenergyllc.com
Phone Number: +1 **********

Key Metrics

Founded Year

2009

Location

Toledo, United States

Stage

Seed

Total Funding

$5.25M in 4 rounds

Latest Funding Round

Seed, Sep 28, 2018, $*****

Ranked

38^th among 192 active competitors

Employee Count

36 as on Sep 30, 2026

Similar Companies

Invenergy & 1028 more

View One Energy's full profile

One Energy has raised a total funding of $5.25M over 4 rounds. Its first funding round was on Oct 01, 2013.

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

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Sep 28, 2018	5887611	Seed	2393546	3476634	8921165	9149332
Sep 04, 2018	7967251	Seed	2061262	3747772	5793894	7738783
Jan 14, 2017	3561400	Conventional Debt	7907809	2362769	4271321	2251438

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View details of One Energy's funding rounds and investors

One Energy's employee count trend

One Energy has 36 employees as of Sep 26. Here is One Energy's employee count trend over the years:

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Top competitors of One Energy include Invenergy, Longroad Energy and Ameresco. Here is the list of Top 10 competitors of One Energy, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Invenergy 2000, Chicago (United States), Acquired	Developer and operator of sustainable energy solutions	$575M	Blackstone, CDPQ & 6 others	72/100
2nd	Longroad Energy 2016, San Francisco (United States), Series B	Developer of utility-scale wind and solar power projects	$500M	MEAG, IIP & 6 others	61/100
3rd	Ameresco 2000, Framingham (United States), Public	Provider of integrated energy infrastructure, power generation, and modernization solutions	-	OSTI	61/100
4th	Sempra Energy 1968, San Diego (United States), Public	Developer of utility projects	-	ADIA, KKR	59/100
5th	BHI Energy 1979, Weymouth (United States), Acquired	Developer of renewable energy and oil & gas projects	-	Summit Partners, Berkshire Partners & 3 others	57/100
6th	Swift Current Energy 2016, Boston (United States), Acquired	Renewable energy project developer and investor	-	Treehouse Investments	52/100
7th	Rosendin Electric 1919, San Jose (United States), Unfunded	EPC player in renewable energy	-	-	51/100
8th	US Wind 2011, Baltimore (United States), Series D	Developer of offshore wind projects	-	Apollo Global Management, Renexia	47/100
9th	ENGIE 1981, Houston (United States), Late Stage	Provider of integrated renewable and low-carbon energy solutions	-	Goldman Sachs Investment Partners	46/100
10th	Convalt Energy 2011, New York City (United States), Funding Raised	Renewable energy company delivering clean energy solutions worldwide, focusing on US manufacturing	-	ACO Investment Group	45/100
38th	One Energy 2009, Toledo (United States), Seed	Turnkey developers	$5.25M	-	31/100