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2005 1000 0 5 000
bef. JC 10 000 bef. JC 5 million 250 million in 1 1 billion in 1800 3 billion in 1960 4 billion in 1975 5 billion in 1987 2 billion in 1930 6.5 billion in 2005 The world population is increasing
The world energy consumption is
increasing 1 million tonnes oil equivalent = 11.6 MWh Source : IEA, Mai 2007 90% of fossil energy Rnv Energy Nuclear Natural gas Oil Coal Millions of toe
In Chinese, "the word «
crisis » is made up of two letters. One represents danger and the other opportunity "
In only one day ,
the sun provides the Earth with the same energy to that consumed by humanity in 35 years
" With Concentrated Solar Power
Stations, one thousandth of the deserts surface would be sufficient to cover the world’s need in electricity" Hans Müller-Steinhagen Head of the Institute of Technical Thermodynamics German Aerospace Center
These are the electric motors
that consume the most energy in the industry 70% Electrolysis Other uses Lighting Electric motors 9% 4% 17%
The purchase cost of a
motor is nothing in relation to its cost of use Purchase cost 2.5% Maintenance cost 1.5% Energy cost 96% Global Cost of an electric motor