Kiwa Group integrates three solar businesses into one brand

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Kiwa Group
The integration of three businesses can better signify the relationship among them, according to Kiwa Group. Image: Kiwa Group

Solar testing company Kiwa Group has integrated three subsidiaries, PV Evolution Labs (PVEL), PI Berlin and Extel Energy, into one brand.

The company said the integration could “better signify the relationship of these solar companies as integrated solutions providers” under the Kiwa brand. After the integration, PVEL will continue to provide extended reliability testing for PV modules and equipment, including its flagship Product Qualification Program (PQP).

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Last year, PVEL announced updates to its PQP with four major changes, addressing concerns around ultraviolet-induced degradation and refocusing the hail stress sequence on identifying the threshold of glass breakage. Kiwa Group added PVEL to its portfolio in May 2021.

Regarding Extel Energy, the company will continue to perform inspections, analysis and technical advisory for PV plants. Extel Energy joined Kiwa Group in February 2022.

Meanwhile, PI Berlin will continue to offer all current technical advisory, risk management and quality assurance services for PV plants, modules, inverters, transformers and battery energy storage systems (BESS). Kiwa Group acquired PI Berlin in May 2022.

“For years we’ve worked with PI Berlin and Extel Energy to help create trust in building the foundations of a strong solar industry. Now we’re able to more closely align our services to ensure our clients have the best possible quality assurance for solar procurement and project development into the future,” said Kevin Gibson, managing director of Kiwa PVEL.

13 October 2026
San Francisco Bay Area, USA
PV Tech has been running an annual PV CellTech Conference since 2016. PV CellTech USA, on 13-14 October 2026 is our fourth PV CellTech conference dedicated to solar manufacturing in the USA. From polysilicon, wafers, ingots, cells and modules, to critical component suppliers including glass and frames, the event connects every stage of the value chain under one roof. PV CellTech USA also brings together investors, innovators, manufacturers and industry stakeholders to collaborate and strengthen domestic solar manufacturing across the United States.

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