Eternal Sun

OverviewSuggest Edit

Eternal Sun is a PV module testing company. It develops solar simulation technology designed to offer quality control, insight and confidence across the entire solar industry.

HQDen Haag, NL

Latest Updates

Employees (est.) (Feb 2021)198
Cybersecurity ratingAMore

Key People/Management at Eternal Sun

Stefan Roest

Stefan Roest

CTO, Co- Founder
Florian van Rijn van Alkemade

Florian van Rijn van Alkemade

Erik Bentschap Knook

Erik Bentschap Knook

Pepijn Veling

Pepijn Veling

Sales Director
Paige T. Campbell

Paige T. Campbell

Director – Business Development OdinSpire
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Eternal Sun Office Locations

Eternal Sun has offices in Den Haag, Newton and Shanghai
Den Haag, NL (HQ)
Wolga 11
Den Haag, NL
Wolga 11
Shanghai, CN
151 Keyuan Rd, Pudong Xinqu
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Eternal Sun Financials and Metrics

Summary Metrics

Founding Date


Eternal Sun total Funding

$2.5 m

Eternal Sun latest funding size

$2.49 m

Time since last funding

6 years ago
Eternal Sun's latest funding round in December 2014 was reported to be $2.5 m. In total, Eternal Sun has raised $2.5 m
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Eternal Sun Cybersecurity Score

Cybersecurity ratingPremium dataset



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Eternal Sun Online and Social Media Presence

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Eternal Sun Blogs

NREL installs the HPLS from Eternalsun Spire to further decrease PV module measurement uncertainty

The U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) is the United States’ primary laboratory for testing the performance of solar photovoltaic (PV) cells and modules. Its goal is to offer measurements with the lowest possible measurement uncertainty. This capability allows PV…

Webinar | Upgrade your Spire solar simulator to 2020 standards

Wednesday 9 December 2020 08:00-09:00 CET and 17:00-18:00 CET Do you have a Spire flasher in your lab or production line which was manufactured before 2016? Do you need to test high-efficiency PV technologies that require wider spectrum and longer pulse? Do you expect to test larger PV modules? Do y…

Conformity assessment of solar PV panels in India

India has immense solar energy potential due to its convenient location near the Equator. The nation receives nearly 3000 hours of sunshine every year, which is equivalent to 5000 trillion kWh of energy.  The National Institute of Solar Energy (NISE), an apex institute of Ministry of New & Renew…

Webinar | How to test Perovskite and Tandem PV modules (part 2)

Wednesday 28 October, 2020 8:00-9:00 CET / 13:00-14:00 CET / 20:00 – 21:00 CET In Part 1 of this webinar series, we summarised the market advances in perovskite and tandem industrialization and we presented an overview of the main differences from standard Si PV. The webinar gained a lot of attentio…

Qatar Environment and Energy Research Institute and Eternalsun Spire Collaborate to Enhance Solar Power Research

QEERI’s goal as a national research institute is to lead Qatar in the fields of environment and energy and become the science and technology reference at a national and international level. Like all Sunbelt countries, Qatar experiences high temperature and high solar irradiation that far exceed the …

How to test Perovskite and tandem PV panels

Wednesday, September 30 Timeslots: 8:00-9:00 CEST , 17:00-18:00 CEST (Time shows in Amsterdam, Berlin, Rome, Stockholm, Vienna) REGISTER HERE Are you ready for this promising technology? Perovskite and tandem PV modules are coming strongly. Different laboratories around the world are working towards…
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Eternal Sun Frequently Asked Questions

  • When was Eternal Sun founded?

    Eternal Sun was founded in 2011.

  • Who are Eternal Sun key executives?

    Eternal Sun's key executives are Stefan Roest, Florian van Rijn van Alkemade and Erik Bentschap Knook.

  • How many employees does Eternal Sun have?

    Eternal Sun has 198 employees.

  • Who are Eternal Sun competitors?

    Competitors of Eternal Sun include Cypress Creek Renewables, Yellow Door Energy and Global Efficient Energy.

  • Where is Eternal Sun headquarters?

    Eternal Sun headquarters is located at Wolga 11, Den Haag.

  • Where are Eternal Sun offices?

    Eternal Sun has offices in Den Haag, Newton and Shanghai.

  • How many offices does Eternal Sun have?

    Eternal Sun has 4 offices.