国际货币基金组织最新发表的非洲萨哈拉以南地区经济展望指出，仅仅在2007年，该地区三分之二的国家存在极度能源危机，表现为经常持续断电。
According to the International Monetary Fund’s most recent Regional Economic Outlook for Sub-Saharan Africa, in 2007 alone, nearly two-thirds of the countries in the region experienced an acute energy crisis marked by frequent and extended electricity outages.