أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Solar energy is easy to use >> yes but low cost depending on your market and local manufacturing of components some companies and NGOs now are developing new cheap systems for poor areas around the world
Yes, there should be.
However this market is highly supported by state laws and very depending so you would prefer to check which law applies to which solar energy and how long does it will last.
