We make sunlight! Solar simulators for PV module testing

We enable solar labs and PV manufacturers to accurately measure the performance and reliability of all PV module technologies and sizes up to 2,6 m x 1,4 m

Our Products
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We help our customers achieving 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 BSF, PERC, IBC, HJT, CIGS, CdTe and are fully capable of handling of bifacial, half-cut cell, shingled and large modules.

Our products

Solar Simulators

Engineer testing PV module on a Temperature Control Lab Flasher solar simulator
  • A+A+A+ class illumination according to IEC 60904-9 ed. 3
  • Xenon Single Longe Pulse 270ms
  • Wide spectrum 300-1200nm
  • Stable and uniform temperature control from 10°C to 85 °C
  • 2,6 m x 1,4 m test area
Flasher solar simulator and electical cabinet
  • A+A+A+ class illumination according to IEC 60904-9 ed. 3
  • Xenon Single Longe Pulse >110ms
  • Wide spectrum 300-1200nm
  • Market-leading repeatability and reproducibility
  • 2,6 m x 1,4 m test area
steady state solar simulator with PV module technology
  • AAA+ class steady-state illumination according to IEC 60904-9 ed. 3
  • Wide spectrumm 300-1200nm
  • Insitu IV measuremetns
  • Customizable size
  • Perovskite and tandem PV testing
High Performance light soaker in a laboratory
  • AAA+ class steady-state illumination according to IEC 60904-9 ed. 3
  • Spectrum range 300-1200nm
  • Insitu IV measurements
  • Stable and uniform temperature control from -10ºC to 95ºC
  • Custimizable size
  • Perovskite and tandem PV testing
Two PV modules testing under steady state solar simulator
  • BBA class steady-state illumination
  • Stabilized temperature at 50ºC
  • 9000h lamp lifetime
  • Increased testing capacity
testing a pv module on a flash solar simualator

Applications for our products

Accurate and repeatable power measurements

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Do you want to set up a solar PV test lab?

We provide infrastructure, application knowledge and the network to enable solar industry players to set up certification labs according to IEC 61215, IEC 61730 and IEC 61853.
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Eternalsun Spire is a leading manufacturer of solar simulators for measuring the performance and reliability of PV modules.

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