Rwanda is turning methane gas dissolved deep inside the waters of Lake Kivu into a lifeline by generating electricity to help businesses expand and light up a nation with a chronic power shortage.

Sanyade Okoli talks to Guardian TV on the current situation of the Nigerian economy, including electricity tariffs and fuel scarcity.

One of Africa’s biggest dams, Lake Kariba is down to record low levels due to drought raising fears of a worsening power deficit in Zambia and Zimbabwe and threatening the livelihoods of fishers who depend on its waters.

Somalia has some of the most expensive electricity in the world. Customers say they are being held to ransom by companies only interested in making quick profits.

Kenya is tapping geothermal heat in the Great Rift Valley to boost its electricity production, in a bid to triple output by 2020. The valley is a geothermal hotspot, containing water that reaches 300 degrees Celsius, under a thin area of the earth's crust.

Nigerians will soon be facing higher electricity costs as providers say it's the only way to improve power supply.