The biggest issue with PV is cost, but you're right about the concentrated heliostatic generators being an option. They have some significant advantages over P

The biggest issue with PV is cost, but you're right about the concentrated heliostatic generators being an option. They have some significant advantages over PV but require large installations. Plus, molten salt is always cool. There's a decent image of solar pressure across Africa on wikipedia: http://en.wikipedia.org/wiki/File:SolarGIS-Solar-map-Africa-and-Middle-East-en.png http://en.wikipedia.org/wiki/File:SolarGIS-Solar-map-Africa-....