Haag offers hail impact resistance testing to solar panels and has completed several proprietary studies with manufacturers. Haag is an International Accreditation Service Accredited Testing Lab, TL-656, ISO/IEC 17025:2017 

Solar Panel Testing accreditations:

• ANSI/FM 4478— American National Standard for Roof Mounted Rigid Photovoltaic Modules (Appendix E – Determining the Susceptibility to Hail Damage of Rigid Photovoltaic Modules only)
• IEC 61215-2— Terrestrial photovoltaic (PV) modules – Design qualification and type approval – Part 2: Test Procedures (MQT 17 – Hail Test only, excluding clause 4.17.5b)