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Nanosolar's Overview

Total employees400
HeadquartersSan Jose
Founded2002

Nanosolar, Inc. was a U.S.-based company founded in 2002 that specialized in the development and manufacturing of thin-film solar cells using a proprietary printing process for Copper Indium Gallium Selenide (CIGS) technology. The company aimed to significantly reduce the cost of solar energy by leveraging nanoparticle inks and high-throughput roll-to-roll manufacturing. Despite raising substantial venture capital and achieving some technological milestones, Nanosolar faced intense market competition, manufacturing challenges, and financial difficulties, ultimately leading to its cessation of operations around 2013. Its technology and assets were subsequently acquired by other entities. Nanosolar represented a significant effort in the quest for cheaper and more efficient solar power.

Where is Nanosolar's Headquarters?

HQ Function

Served as the central hub for research and development, corporate operations, and initial U.S.-based pilot manufacturing of its CIGS thin-film solar panels.

Notable Features:

The San Jose facility housed a Class 1000 cleanroom, advanced materials science laboratories, and proprietary high-volume roll-to-roll printing presses designed for its unique CIGS solar cell manufacturing process.

Work Culture:

As a high-profile, venture-backed startup in the competitive clean-tech sector, the work culture at Nanosolar's HQ was reportedly intense, innovation-driven, and fast-paced. Employees were focused on groundbreaking materials science and scaling a disruptive manufacturing technology, reflecting a typical Silicon Valley ambition to change a major industry.

HQ Significance:

The San Jose HQ was pivotal as the birthplace of Nanosolar's core CIGS printing technology and its primary center for R&D. It represented a major effort to commercialize low-cost, scalable thin-film solar energy solutions.

Values Reflected in HQ: The HQ reflected values of technological innovation, particularly in materials science and manufacturing processes, ambition to disrupt the established energy market, and a strong focus on achieving cost-efficiency in renewable energy technology.

Location:

During its operational period, Nanosolar's global functions included research and development (primarily U.S.), manufacturing (U.S. and Germany), international sales and marketing, and supply chain management to support its production and distribution of thin-film solar panels to key markets in North America and Europe. While its physical operational presence was mainly in the US and Germany, its market ambitions were global.

Street Address:

2009 N. First Street

City:

San Jose

State/Province:

California

Country:

USA

Nanosolar's Global Presence

Luckenwalde, Brandenburg, Germany

Address: Frankenfelder Chaussee, Geb. 212, 14943 Luckenwalde, Germany

To leverage Germany's position as a key solar market and manufacturing hub in Europe, enabling Nanosolar to serve European customers more efficiently, reduce logistical costs, and potentially benefit from regional manufacturing expertise and incentives.

Buying Intent Signals for Nanosolar

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of Nanosolar

As of April 2025, Nanosolar' leadership includes:

Martin Roscheisen - Co-Founder & Former CEO
Geoff Tate - Former CEO
Eugenia Corrales - Former CEO
Brian Sager - Co-Founder & Former VP of Engineering
Werner Dumrauf - Former COO / Managing Director Nanosolar GmbH
Erik Oldekop - Former VP, Global Sales & Marketing

Investors of Nanosolar

Nanosolar has been backed by several prominent investors over the years, including:

Benchmark Capital
Mohr Davidow Ventures
Google.org
GLG Partners
EDF Energies Nouvelles
Lone Pine Capital
SAC Capital Advisors
Generation Investment Management
Various family offices

Executive New Hires/Exits in the Last 12 Months

Hire0
Exits0

Nanosolar ceased operations around 2013. Consequently, there have been no executive new hires or exits in the last 12 months. Any executive changes would predate the company's closure by many years.

Technology (Tech Stack) used by Nanosolar

Discover the tools Nanosolar uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

Nanosolar Email Formats and Examples

As Nanosolar is no longer operational, specific email formats are historical and speculative. Companies of its era and type commonly used formats based on first name, last name, or initials combined with the domain '@nanosolar.com'.

[first_initial][last]@nanosolar.com or [first].[last]@nanosolar.com

Format

jdoe@nanosolar.com or jane.doe@nanosolar.com

Example

0%

Success rate

News and media

Nanosolar Press Release / ReutersDecember 18, 2007

Nanosolar Begins Commercial Shipment of World's First Printed Thin-Film Solar Cells

Nanosolar announced it had begun commercial shipment of its PowerSheet solar panels, claiming a manufacturing cost below $1 per watt, aiming to make solar electricity cheaper than coal-fired power....more

Greentech MediaAugust 12, 2010

Nanosolar Gets More Cash, Ships More Solar Panels

Nanosolar reported it had shipped over 20 megawatts of its thin-film solar panels and secured additional funding, indicating progress in scaling its production and market reach....more

Greentech MediaJune 12, 2012

Nanosolar CEO Geoff Tate Steps Down; Eugenia Corrales Is New CEO

Nanosolar announced a change in leadership, with Geoff Tate stepping down as CEO and Eugenia Corrales, previously SVP of Engineering and Operations, taking over the role during a challenging period for the company....more

Greentech MediaJuly 11, 2012

Nanosolar Lays Off Majority of Staff, CEO Eugenia Corrales Steps Down

Facing severe financial difficulties, Nanosolar laid off approximately 75% of its workforce. CEO Eugenia Corrales also resigned shortly after her appointment, highlighting the company's deepening crisis....more

Greentech MediaSeptember 16, 2013

R.I.P. Nanosolar: Thin-Film Solar Startup Is Officially Kaput

Greentech Media reported that Nanosolar had ceased operations and was effectively defunct. Its assets were being liquidated, marking the end for one of the most well-funded CIGS thin-film solar startups....more

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