# HelioVolt: Environmental services, Austin, United States

> HelioVolt: HelioVolt Corporation manufactures thin-film solar modules for commercial rooftop. Based in Austin, United States. Founded 2001.

Source: https://millionrounds.com/startup/heliovolt (Millionrounds; every figure on the page links to its filing or article)

United States · [Environmental services startup](https://millionrounds.com/companies)

# HelioVolt

HelioVolt Corporation manufactures thin-film solar modules for commercial rooftop.

Funding reported Last round: Private equity

Environmental services Austin, United States

Company summary

- **Founded:** 2001 25 years old
- **Team:** 101 51 to 200 people
- **Funding reported:** $253M in dollars
- **Last round:** Private equity Aug 2013

How sure we are

- ✓ **Listed** We know it exists and what it does
- 2 **Funding reported** A company dataset reports a raise
- 3 **Observed** A filing or a dated announcement confirms a round

No round for HelioVolt has been confirmed by a filing or an announcement yet, so nothing here counts toward an investor's record. [How we decide](https://millionrounds.com/methodology)

## What company datasets say HelioVolt raised

Funding, as reported

Reported in all **$253M** in dollars

Rounds **6**

Last round **Private equity**

Last round size **$19M**

Last round date **Aug 2013**

Investors listed **8**

SEC Form D **$166M sold, 6 filings, last Aug 2013**

## Founders and team

From the SEC filings it signed: 2 on the team.

- **Billy J. Stanbery** Executive Officer, Director i
- **Steve Soo Darnell** Executive Officer i

On the board, as filed i *Arno J. Penzias* *Dong S. Kim* *Henri Soo Arif* *June Soo Lee* *Perry Soo Ha* *Tim Soo Costello*

## The company, in detail

What they build

Known for

clean energy & technology environmental services renewables & environment clean technology

Built with from their website

LiteSpeed WordPress.org Font Awesome Apache Viewport Meta Priority Hints Google Font API MySQL PrimeNG Mobile Friendly

+8 more

Bootstrap Open Graph jQuery RSS Gravatar HTTP/3 GoDaddy Domains Wordpress

- **Sector:** Environmental services
- **Region:** Texas
- **Revenue:** $51M a year, as listed
- **Full record:** [Every detail in the company directory](https://millionrounds.com/directory/heliovolt)

## Environmental services in United States

Startups like it

- [**Sedron Technologies** Sedro-Woolley · founded 2014 *Raised*](https://millionrounds.com/company/sedron-technologies)
- [**Terradot** San Francisco · founded 2022 *Raised*](https://millionrounds.com/company/terradot)
- [**Endurance Energy** Seattle · founded 2025 *Raised*](https://millionrounds.com/company/endurance-energy)
- [**Vaulted Deep** Houston · founded 2023 *Raised*](https://millionrounds.com/company/vaulted-deep)
- [**CurbWaste** New York · founded 2017 *Raised*](https://millionrounds.com/company/curbwaste)
- [**Mast Reforestation** Seattle · founded 2016 *Raised*](https://millionrounds.com/company/mast-reforestation)
- [**CREW Carbon** Hamden *Raised*](https://millionrounds.com/company/crew-carbon)
- [**Cannalysis** Santa Ana · founded 2015 *Raised*](https://millionrounds.com/company/cannalysis)

## Is this your company?

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