The International PV Quality Assurance Task Force (PVQAT, "PV cat") leads global efforts to craft quality and reliability standards including:

Latest Publications
Qualification Testing Versus Quantitative Reliability Testing of PV — Gaining Confidence in a Rapidly Changing Technology
September 2017
Photovoltaic Failure and Degradation Modes
January 2017
Defining Bankability for Each Step of a PV Project Using IECRE
July 2016

Event Updates
8th SOPHIA Workshop PV-Module Reliability 2018
September 3–5, 2018
Ljubljana, Slovenia
SAYURI-PV 2018
October 30–31, 2018
Central 1, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8561, Japan
2019 NREL Photovoltaics Reliability Workshop
February 26–29, 2019
Lakewood, Colorado