Revisions log for Answer #1511

We don't know your planned home, so we don't know many details whose significance you may not consider enough. A tent roof and photovoltaics are not a smart combination. – It largely depends on whether you only have sloping roof surfaces on favorable sides. Aerial photos would be helpful, as well as cadastral plots and the like. What size lap floor is possible or planned?

You don't seem to know much about roof truss statics – at least it dawned on you that this might play a role. It makes sense for you to tell us more about your house and site. Without that, it's impossible to give optimizing advice or answer even the seemingly simple question of how to build a solid tent roof here. What prevents you from making a saddle roof or a single-pitch roof, which is also much easier to extend?