which is the most widely used energy resoources
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Fire electricity water windmill etc
Oil – 39%
Accounting for approximately 39% of the global energy consumption, oil has historically been the world’s most used energy source. Despite a decline over the past two decades, the demand for oil has remained high principally due to demand from emerging economies, especially non-OECD countries.
Oil consumption in 2014 grew by 0.8% over 2013, marking the highest growth among all fossil fuel types. The US has been the biggest oil consumer for the past two decades followed by China, which has been consuming increasingly more oil, especially gasoline. Demand for middle distillates has been sluggish in the recent years due to weaker diesel demand caused by poor economic growth, whereas light distillates demand is on the rise.
Coal – 28%
Coal has also been one of the fastest growing fossil fuels owing to China’s rapid industrialisation. Coal consumption in the last ten years has grown at 2.9% on an average, but its share in global energy consumption has been on the decline although last year was an exception with 0.4% rise.
The fall in coal consumption is attributed to a demand shift in China, which has been the leading coal consumer. Coal usage in China is being replaced by more favourable fuels, while its value in the power sector has been down as a result of strong growth in hydropower installations. India recorded the world’s biggest volumetric increase of 11.1% in coal consumption (360.2Mtoe) in 2014.
Gas
Gas consumption grew at an average rate of 2.4% in the last ten years. Photo: courtesy of Rickz.
Gas – 22%
Gas consumption grew at an average rate of 2.4% in the last ten years. Demand for gas is primarily linked to temperature variations and, in recent years, its consumption has been affected by weak demand in Europe due to mild winters.
Gas has also lost its share in the power sector where fossil fuels are still the preferred option. Europe recorded its biggest volumetric and percentage decline of 11.6% in gas consumption in 2014. The continent, however, still continues to be the leading natural gas consumer followed by North America since the past decade.
Hydroelectricity – 6%
Hydroelectricity is a fast growing energy source with a global share of more than 6%, while its 10-year average growth rate is 3.3%. Hydroelectricity consumption has been steadily on the rise with Asia Pacific accounting for a major share. Consumption in China, which is home to the world’s biggest hydropower plant, the Three Gorges Dam, grew by 15.7% year-on-year in 2014.
The upward trend witnessed in the hydroelectric power consumption is a result of a number of factors including its relatively low cost per unit.