When was SolarWindow Technologies founded?

SolarWindow Technologies was founded in 2003 and raised its 1st funding round 5 years after it was founded.

Where is SolarWindow Technologies located?

SolarWindow Technologies is headquartered in Columbia, United States.

How many employees does SolarWindow Technologies have?

As of Apr 30, 2026, the latest employee count at SolarWindow Technologies is 13.

Is SolarWindow Technologies a funded company?

SolarWindow Technologies is a funded company, having raised an undisclosed amount across 5 funding rounds to date. The company's 1st funding round was a $***** Post IPO round, raised on Apr 2008.

When was the latest funding round of SolarWindow Technologies?

SolarWindow Technologies' latest funding was a $***** Post IPO round on Nov 28, 2018, with participation from 1 investor. Its primary sector is Solar Energy. In United States, the Solar Energy sector has seen $1.79B in funding in 2026 to date.

Where does SolarWindow Technologies rank among its competitors?

SolarWindow Technologies ranks 15th amongst 167 active competitors, of which 28 are funded. It stands 11th in terms of total funding among its competitors. The most recent competitor to raise funding was SCHMID, which secured $30M in Jan, 2026.

Who are the top competitors of SolarWindow Technologies?

SolarWindow Technologies' top competitors include SCHMID, mPower Technologies and Websol Energy System. Among them, SCHMID secured the most recent funding round in January, 2026.

SolarWindow Technologies - 2026 Company Profile, Funding, Competitors & Financials

SolarWindow Technologies is an acquired company based in Columbia (United States), founded in 2003. It operates as a Developing transparent electricity-generating coatings for glass and plastics. SolarWindow Technologies has raised an undisclosed amount in funding. The company has 167 active competitors, including 28 funded and 25 that have exited. Its top competitors include companies like SCHMID, mPower Technologies and Websol Energy System.

Company Details

Developing transparent electricity-generating coatings for glass and plastics. The company focuses on creating innovative products that generate clean electricity and reward customers while benefiting the environment. Their core technology involves applying ultra-thin coatings to glass and plastic surfaces, transforming them into electricity-generating photovoltaic devices. This technology has applications in architecture, automotive, agrivoltaics, and transportation. The company aims to outperform traditional rooftop solar solutions by utilizing abundant materials and a liquid coating process suitable for high-speed production. The technology works in natural, shaded, low-light, and indoor light conditions. The company's team includes experts in business leadership, science, research, and engineering, with expertise in solar photovoltaics, manufacturing methods, reliability testing, and durability. The company is involved in B2B and B2C business model, and it is a tech company.

Website: solarwindow.com
Social
Email ID: *****@solarwindow.com

Key Metrics

Founded Year

2003

Location

Columbia, United States

Stage

Acquired

Latest Funding Round

Post IPO, Nov 28, 2018, $*****

Investors

Kalen Capital

Ranked

15^th among 167 active competitors

Employee Count

13 as on Apr 30, 2026

Similar Companies

SCHMID & 188 more

Exit Details

Acquired by John Rhee (Dec 14, 2021)

View SolarWindow Technologies' full profile

SolarWindow Technologies is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
SOLARWINDOW TECHNOLOGIES, INC. CIN: 1071840 , United States, Deadpooled		-	-	-

SolarWindow Technologies got acquired by John Rhee on Dec 14, 2021.

Click here to take a look at SolarWindow Technologies's acquisition in detail

SolarWindow Technologies has raised funding over 5 rounds. Its first funding round was on Apr 2008. Its latest funding round was a Post IPO round on Nov 28, 2018 for $*****. 1 investor participated in its latest round. SolarWindow Technologies has 1 institutional investor.

Here is the list of recent funding rounds of SolarWindow Technologies:

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Nov 28, 2018	8900184	Post IPO	1379811	7522728	1875660	8795564
Oct 02, 2017	5194680	Post IPO	3552887	3820522	8639617	8738006
Jun 23, 2016	6660863	Post IPO	8631732	5987996	2929009	3529934

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View details of SolarWindow Technologies's funding rounds and investors

SolarWindow Technologies' employee count trend

SolarWindow Technologies has 13 employees as of Apr 26. Here is SolarWindow Technologies's employee count trend over the years:

Employee count trend for SolarWindow Technologies

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Top competitors of SolarWindow Technologies include SCHMID, mPower Technologies and Websol Energy System. Here is the list of Top 10 competitors of SolarWindow Technologies, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	SCHMID 1864, Freudenstadt (Germany), Late Stage	Manufacturer of process solutions and equipment	-	XJ Capital, ShawKwei & Partners & 3 others	63/100
2nd	mPower Technologies 2008, Albuquerque (United States), Series B	Manufacturer of solar modules for space applications and related solutions	$56.4M	Cottonwood Technology Fund, Razor's Edge Ventures ... & 5 others	62/100
3rd	Websol Energy System 1994, Kolkata (India), Public	Manufactures solar cells and solar modules	-	-	61/100
4th	Growatt 2011, Shenzhen (China), Funding Raised	Manufacturer of solar PV modules	-	HSG, IDG Capital & 1 others	59/100
5th	Trina Solar 1997, San Jose (United States), Public	Manufacturer of photovoltaic products, energy storage, system solutions, and digital services	$40M	HongShan, CDH & 5 others	59/100
6th	Oxford Photovoltaics 2010, Oxford (United Kingdom), Series D	Manufacturer of tandem solar cells using perovskite and silicon materials	$239M	Legal & General Capital, MTI Partners & 13 others	57/100
7th	Active Surfaces 2022, Cambridge (United States), Seed	Developer of ultra-thin, lightweight, flexible, low-cost solar cells.	$10.5M	Safar Partners, QVT Family Office & 8 others	55/100
8th	Tata Power Solar 1989, Mumbai (India), Unfunded	Manufacturing of PV modules and solar cells	-	-	53/100
9th	Jupiter 1978, Kolkata (India), Series D	Manufacturer of photovoltaic poly-crystalline solar cells	$125M	ValueQuest, Edelweiss & 102 others	52/100
10th	SunDrive 2015, Wollongong (Australia), Series A	Manufacturer of solar powered products	$26M	Blackbird Ventures, Grok Ventures & 8 others	50/100
15th	SolarWindow Technologies 2003, Columbia (United States), Acquired	Developing transparent electricity-generating coatings for glass and plastics	-	Kalen Capital	45/100