Eternal Sun

Delft, Netherlands Founded: 2011 • Age: 15 yrs Acquired By Bolster Investment Partners
Solar module testing equipment is supplied to the photovoltaic sector.
Annual revenue - Latest available
Total funding $2.5M 1 rounds
Employees - Tracked headcount
Investors 3 Known backers
Products 4 Services tracked
Competitors 10 Brand Intelligence

About Eternal Sun

Eternal Sun is a company based in Delft (Netherlands) founded in 2011 was acquired by Bolster Investment Partners in May 2025. Eternal Sun has raised $2.49 million across 1 funding round from investors including ABN AMRO, Vermec and Bolster Investment Partners. Eternal Sun offers products and services including LED Light Soaker, XENON Solar Flasher, Temperature Controlled Lab Flasher, and Large Area Steady State. Eternal Sun operates in a competitive market with competitors including Morgan Solar, BT Imaging, PV Evolution Labs, PSE Instruments and Bright Spot Automation, among others.

  • Headquarter Delft, Netherlands
  • Sectors
    Energy & Utilities
  • Email
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  • Phone
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  • Website
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  • Social
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Operational Areas
Energy & Utilities → Renewable & Clean Energy Unlock Sub-Sector Unlock Segment
Key Metrics
  • Annual Revenue
    Not available
  • Net Profit
    Not available
  • EBITDA
    Not available
  • Total Equity Funding
    $2.49 M (USD)

    in 1 rounds

  • Latest Funding Round
    $2.49 M (USD), Series A

    Dec 03, 2014

  • Investors
    ABN AMRO

    & 2 more

  • Employee Count
    Not available
  • Acquired by
    Bolster Investment Partners

    & 1 more

    (May 07, 2025)

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Products & Services of Eternal Sun

Eternal Sun offers a comprehensive portfolio of products and services, including LED Light Soaker, XENON Solar Flasher, Temperature Controlled Lab Flasher, and Large Area Steady State.

Product name locked
Category locked
Primary

Provides steady-state simulation for laboratory PV testing

Product name locked
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Enables flash-based IV testing for manufacturing and labs

Product name locked
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Offers precise temperature control for PV performance analysis

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Supports testing of mini-modules and multiple samples

People of Eternal Sun

Headcount 10-50
Employee Profiles 29
Employee Profiles
People
Erik Bentschap Knook
CCO
People
Mark Derks
Director, Finance & Control
People
Florian van Rijn van Alkemade
CEO
People
Stefan Roest
CTO & Co- Founder

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Funding Insights of Eternal Sun

Eternal Sun has successfully raised a total of $2.49M through 1 strategic funding round. The most recent funding activity was a Series A round of $2.49 million completed in December 2014. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

Investors in Eternal Sun

Eternal Sun has secured backing from 3 investors, including venture fund and institutional investors. Prominent investors backing the company include ABN AMRO, Vermec and Bolster Investment Partners.

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Venture Fund
Institutional
Investor Description Founded Year Domain Location
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Private equity firm
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ABN AMRO is recognized as a personal bank in the digital era.
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Investor details for Eternal Sun

Investor domains, locations, round participation, and complete history require an active premium plan.

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Investments & Acquisitions by Eternal Sun

Investments
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Investment portfolio details for Eternal Sun

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  • Transaction dates
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Financial Statements - Eternal Sun

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Detailed financials for Eternal Sun

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  • Profit trends
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Eternal Sun Comparisons

Eternal Sun Primary company
Description
Solar module testing equipment is supplied to the photovolta...
Location
Delft, Netherlands
Founded Year
2011
Annual Revenue
Not available
Net Profit
Not available
EBITDA
Not available
Employees
Not available
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Peer comparison for Eternal Sun

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Competitors of Eternal Sun

Eternal Sun operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Morgan Solar, BT Imaging, PV Evolution Labs, PSE Instruments and Bright Spot Automation, among others.

Company Name Domain Founded year HQ Location Description
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Solar design simulation software solutions are provided for light management.
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Inspection tools for photovoltaic manufacturing processes are supplied.
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Independent testing services for solar photovoltaic modules are provided.
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Solar Testing solutions
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Solar panel testing solutions are developed using innovative measurement tools.
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Detailed competitors of Eternal Sun

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Latest news on Eternal Sun

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Complete news archive for Eternal Sun

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Frequently Asked Questions about Eternal Sun

Eternal Sun was founded in 2011 and raised its 1st funding round 3 years after it was founded.

Eternal Sun is headquartered in Delft, Netherlands. It is registered at Delft, South Holland, Netherlands.

Eternal Sun is a funded company, having raised a total of $2.49M across 1 funding round to date.

Eternal Sun was founded in 2011 and is based in Delft, Netherlands. Equipment for testing solar modules is provided by the company to support quality assurance in the renewable energy industry. Operations are centered on delivering specialized testing solutions for photovoltaic applications, with a focus on reliability and compliance standards. The companys activities serve manufacturers and researchers across Europe and beyond, contributing to advancements in solar technology.

Eternal Sun's top competitors include BT Imaging, Morgan Solar and PV Evolution Labs.

Eternal Sun offers LED Light Soaker, XENON Solar Flasher, Temperature Controlled Lab Flasher, and Large Area Steady State.

Eternal Sun has 3 investors. Key investors include ABN AMRO, Vermec, and Bolster Investment Partners.

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