Eternal Sun Secures Growth Partner with Bolster Investment
Deal News | Jun 06, 2025 | Oaklins Cavendish

Bolster Investment Partners, a Netherlands-based investment firm, has purchased a majority stake in Eternal Sun, a leading figure in advanced solar panel testing equipment technology. Eternal Sun focuses on providing cutting-edge solar simulation and test tools that enable accelerated lifespan testing for solar panels. This acquisition is aimed at fueling Eternal Sun's growth and solidifying its position as a global technology leader in the renewable energy sector. Oaklins Cavendish acted as the advisor during this transaction, showcasing their expertise in supporting growth-focused investment deals. This strategic partnership is expected to facilitate an expansion in Eternal Sun’s offerings and enhance its market presence, capitalizing on an increasing demand for sustainable and efficient solar technologies.
Sectors
- Renewable Energy
- Investment Management
Geography
- Netherlands – Bolster Investment Partners is based in the Netherlands, indicating this as a key geographical focus of the article.
Industry
- Renewable Energy – The article involves Eternal Sun, a leading provider of solar panel testing equipment, indicating its involvement in the renewable energy sector.
- Investment Management – Bolster Investment Partners, an investment firm, is making a strategic acquisition to enhance its portfolio, relevant to the investment management industry.
Financials
- – The financial terms of the deal between Bolster Investment Partners and Eternal Sun were not disclosed.
Participants
Name | Role | Type | Description |
---|---|---|---|
Eternal Sun | Target Company | Company | Eternal Sun is a global leader in solar panel testing equipment, specializing in solar simulation and testing technology. |
Bolster Investment Partners | Buyer | Company | Bolster Investment Partners is a Netherlands-based investment firm acquiring a majority stake in Eternal Sun. |
Oaklins Cavendish | Advisor | Company | Oaklins Cavendish served as the advisor to the transaction, providing expertise in investment deals. |