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PV Talk: Paul Gebhardt of Fraunhofer ISE discusses reliability issues facing advanced PV modules, an issue which isn't going anywhere.

In this issue: the evolution of PV quality assurance, inside the US solar supply chain labyrinth and solar tracker giants bet on integration.

Imperial Star's DomesticIQ calculator aims to bring some clarity to the complexities of navigating US solar domestic content requirements.

Slowing solar PV and energy storage installations in Europe risks “competitiveness and security at a pivotal moment”, according to the head of SolarPower Europe.

Rooftop solar PV generated nearly twice the output of utility-scale solar throughout November 2025, maintaining a 1.9:1 ratio in Australia.

In November, the Colorado PUC ordered utility Xcel Energy to provide higher-quality information, and introduce flexible tariffs.

Module quality issues, such as glass breakage, UVID and delamination, featured heavily in the discussions at PV ModuleTech Europe this week.

Steven Xuereb of Kiwa PI Berlin discusses the PV industry’s progress in addressing performance and reliability concerns around TOPCon technology.

Prateek Tare tells PV Tech Premium how Distributed Energy Infrastructure transformed a Superfund site into the Acton PV-plus-storage project.

PV Talk: RES Group's Ksenia Dray discusses how European solar developers are reshaping strategies to maintain project viability in challenging market conditions.