Eternalsun Spire is a renowned brand that has emerged as the leading partner for PV module testing labs over the span of 40 years. Committed to moving the solar industry forward, Eternalsun Spire offers high-end solar testing advice, technology, and services to enable the highest degree of measurement control and certainty. Their product range includes cutting-edge solar simulators, such as the AAA+ class steady-state solar simulator and the AAA High Performance Light Soaker, designed for advanced LeTID studies.

They also provide temperature-controlled lab flashers, single long pulse manufacturing flashers, LED light soakers, and other measurement tools for flash solar simulators. With a rich history that dates back to 1980, Eternalsun Spire has built a solid reputation as a pioneer in PV module testing. In 2019, they welcomed ABN AMRO Energy Transition Fund as their new majority shareholder, further strengthening their position in the industry.

For those seeking reliable and accurate solar testing solutions, Eternalsun Spire is the trusted brand that guarantees the highest standards of performance measurement for PV modules. Contact them today to learn more about their state-of-the-art products and services