I came across these two excellent online resources on fires in structures with solar panels. Both are free!:
UL Study Recommends Tactical Changes for Fires in Structures with Solar Panels
and this one, via Cal Fire, which includes Student Manuals, Lesson Plans, and Power Point presentations for Awareness and Operations level training:
Fundamentals of Photovoltaics for the Fire Service
Did I mention they’re free? Check them out.
Smooth Bore Tip 