Analyst says the cable will help social development in Africa in the long - term . CNN Diane McCarthy contributed to the report . James Hodge says it will help drive down electricity connection costs . China is also supplying Africa with inexpensive electricity via undersea cables .
Analyst says the cable will help social development in Africa in the long - term . James Hodge says it will help drive down electricity connection costs . China is also supplying Africa with inexpensive electricity via undersea cables .