Congo - Electricity production from hydroelectric sources (% of total)

Electricity production from hydroelectric sources (% of total) in Congo was 54.71 as of 2014. Its highest value over the past 43 years was 100.00 in 2002, while its lowest value was 16.67 in 1978.

Definition: Sources of electricity refer to the inputs used to generate electricity. Hydropower refers to electricity produced by hydroelectric power plants.

Source: IEA Statistics © OECD/IEA 2014 (, subject to

See also:

Year Value
1971 61.36
1972 64.71
1973 52.08
1974 55.56
1975 55.24
1976 55.26
1977 46.15
1978 16.67
1979 59.23
1980 64.52
1981 65.19
1982 89.23
1983 99.15
1984 99.21
1985 98.98
1986 99.26
1987 98.93
1988 98.97
1989 99.25
1990 99.39
1991 100.00
1992 99.07
1993 99.17
1994 99.38
1995 99.44
1996 99.56
1997 99.56
1998 99.42
1999 85.59
2000 99.66
2001 100.00
2002 100.00
2003 85.71
2004 83.12
2005 81.99
2006 82.12
2007 82.31
2008 81.34
2009 61.22
2010 54.72
2011 61.18
2012 58.06
2013 56.82
2014 54.71

Development Relevance: Electrical energy from hydropower is derived from turbines being driven by flowing water in rivers, with or without man-made dams forming reservoirs. Presently, hydropower is the world's largest source of renewable electricity. Hydropower represents the largest share of renewable electricity production. It was second only to wind power for new-built capacities between 2005 and 2010. IEA estimates that hydropower could produce up to 6,000 terawatt-hours in 2050, roughly twice as much as today. Hydropower's storage capacity and fast response characteristics are especially valuable to meet sudden fluctuations in electricity demand and to match supply from less flexible electricity sources and variable renewable sources, such as solar photovoltaic (PV) and wind power. Use of energy is important in improving people's standard of living. But electricity generation also can damage the environment. Whether such damage occurs depends largely on how electricity is generated. For example, burning coal releases twice as much carbon dioxide - a major contributor to global warming - as does burning an equivalent amount of natural gas. Anthropogenic carbon dioxide emissions result primarily from fossil fuel combustion and cement manufacturing. In combustion different fossil fuels release different amounts of carbon dioxide for the same level of energy use: oil releases about 50 percent more carbon dioxide than natural gas, and coal releases about twice as much. Nuclear energy does not generate carbon dioxide emissions, but it produces other dangerous waste products.

Limitations and Exceptions: IEA occasionally revises its time series to reflect political changes. For example, the IEA has constructed historical energy statistics for countries of the former Soviet Union. In addition, energy statistics for other countries have undergone continuous changes in coverage or methodology in recent years as more detailed energy accounts have become available. Breaks in series are therefore unavoidable.

Statistical Concept and Methodology: Electricity production is total number of kWh generated by power plants separated into electricity plants and CHP plants. The International Energy Agency (IEA) compiles data on energy inputs used to generate electricity. IEA data for countries that are not members of the Organisation for Economic Co-operation and Development (OECD) are based on national energy data adjusted to conform to annual questionnaires completed by OECD member governments. In addition, estimates are sometimes made to complete major aggregates from which key data are missing, and adjustments are made to compensate for differences in definitions. The IEA makes these estimates in consultation with national statistical offices, oil companies, electric utilities, and national energy experts.

Aggregation method: Weighted average

Periodicity: Annual

General Comments: Electricity production shares may not sum to 100 percent because other sources of generated electricity (such as geothermal, solar, and wind) are not shown. Restricted use: Please contact the International Energy Agency for third-party use of these data.


Topic: Environment Indicators

Sub-Topic: Energy production & use