Eternalsunspire: standardisation & transparency in solar performance

• Netherlands-based Eternal Sun Spire Group (“ESG”) is a leading manufacturer of solar simulators and integrated climate chambers for measuring the performance and reliability of PV modules. Through its brands Eternal Sun and SPIRE, ESG serves a global customer base of PV module manufacturers, research institutes and test laboratories.
• Its contribution to the solar industry is in enabling the highest degree of measurement control and certainty by providing high-end solar testing knowledge, technology and services. ESG simulators have renowned capabilities regarding repeatability, reproducibility, spectrum, uniformity, and stability.

• Providing growth capital for the roll-out of the company’s downstream service propositions
• Strengthening of the balance sheet to position EternalSunSpire for further growth

New PV module technologies and an increasing demand for highly accurate testing provide a strong growth outlook for the company’s high-end market segment served through its brands Eternal Sun and Spire. Using AA SIF’s investment, Eternal Sun Group will build out the global team and focus on new products and test services, particularly with regards to their downstream offering in import testing and factory inspection.

Mission statement: “Moving the solar industry forward by enabling the highest degree of measurement control & certainty through high-end solar testing advice, technology and services.”