We help our customers to achieve the highest degree of measurement certainty and getting the highest return from their solar investments. Our test setups address the specific needs of technologies like PERC, IBC, HJT, Perovskite, CdTe and are fully capable of handling of bifacial, half-cut cell, shingled and large modules.
We are Eternal Sun.
We wake up every day to assure the world of solar performance. We build high-end simulators that make sunlight. We also provide inspection and testing services in the global solar supply chain. And with solar well on its way to becoming the world's leading energy source the world’s leading energy source, we believe that certainty is needed. In the end, nobody likes to waste energy. We are sure about solar. We’d like you to be too.
Sun simulator for solar panel IV testing
Solar module testing equipment by Eternal Sun
Eternal Sun is a worldwide leading company for solar module testing equipment. From LED-based steady-state solar simulators to XENON-based flash sun simulators for solar panel testing, we can provide you with a state-of-the-art solution for IV-testing. Below you can find an overview of our solar module testing equipment.
Assure the world of solar performance.
We do it with our industry leading flashers and light soakers.
We do it with our solar inspection and test services.
We do it for the world’s best research labs.
We do it for the world’s leading solar module producers.
We do it for solar power producers around the world.
Eternal Sun PV Testing and Inspection services
We don’t go light on promises.
Applications for our products
Accurate and repeatable power measurements
One thing’s for sure. Solar energy is here to stay.
Stefan Roest, founder and CTO
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Eternal Sun is a leading manufacturer of solar simulators for measuring the performance and reliability of PV modules. We provide PV import testing in the ports of Rotterdam and Valencia and Factory Inspections in China and South-East Asia.