Solar panels suitable for Ghana West Africa
Any solar panels are suitable to use in Ghana. The system depends on your needs. Are you connected to the electricity grid or not? Is the grid reliable?
@Alloy might be able to help you, he is in Ghana also.
Build one of these Dual Axis-solar Tracker, where one 500W panels will generate 5kWh/p energy per Day.
Purchasing a Battery is smarter long term investment than purchasing an oversized Solar Array.