The negative environmental and social consequences of the major era of hydroelectric dam building in the 1950s and 60s generated social and political opposition to similar projects by the 1990s. In Ghana, hydroelectricity’s dependence on unpredictable rainfall also undermined the attractiveness of this source of electricity. The Bui Dam, Ghana’s third hydroelectric dam, faced considerable opposition until 2006, when the Chinese government loaned money for its construction. Gocking details how Chinese companies with similar funding, and constructing infrastructure projects in general in Africa, have contributed to a second era of major dam building in that continent, although there still remains considerable contestation.