Monday 03 November 2014 - Thursday 06 November 2014 00:00 - 23:59 is Windaba 2014
SAWEA Business Members
62 registered businesses
SAWEA Individual Members
Energy Potential of Wind Energy in SA
62% of SA's current energy needs
Wind power farms generate between 17 and 39 times as much power as they consume, compared to 16 times for nuclear plants and 11 times for coal plants.
The number of kilowatt hours of wind energy produced worldwide in 2011.
The EU exported 5.7 billion Euro worth of wind industry products and services in 2011.
A 10 MW wind farm can easily be built in two months. A larger 50 MW wind farm can be built in six months.
The number of people employed worldwide by the wind industry in 2011.
The amount of people expected to be employed by the wind power sector in 2020 in the EU. By 2030, the figure will be 794,079, with 62 % of jobs in the offshore sector.
In 2010, the 84 GW of wind power in the EU avoided the emission of 126 million tonnes (Mt) of CO₂, equivalent to taking 30% of EU cars (64 million vehicles) off the road.
The number of people employed by the wind industry in the EU in 2011. This is a 30% increase from 2007 to 2010, despite EU unemployment which rose by 9.6%.
The number of megawatts of wind power installed in Brazil in 2011 - Brazil has become a leader in the South American wind energy market, increasing its capacity over 90% from 2010 to a total of more than 1500 MW.
The percentage of EU citizens who are in favour of wind power, according to a 2011 poll.
The number of wind bases in China aiming at reaching at least 10 GW: Inner Mongolia East, Inner Mongolia West, HeBei, Jiangsu, Jilin, Ganxu, XinJiang.
The lowest price in dollars that wind energy is now selling at per MegaWatt hour in the US (down from almost $70/MWh in 2009)
The annual growth of Chinese wind market in 2011.
The number of parts a wind turbine has.
Of Denmark's electricity consumption was covered by wind energy. The Danish government aims to get 50% of its electricity from wind by 2020.
The amount of wind turbines up and running in China at the end of 2011.
On 6 November, 2011 at 2 am, 59.6% of Spain’s total power demand was supplied by wind power.
The amount of new jobs created by the wind industry in 2012 in Brazil.
Of all the electricity used by South Australians on 5 September 2012 was generated by wind power.
It takes a wind turbine 3-6 months to recoup the energy that goes into producing, operating and recycling the wind turbine after its 20 to 25 year lifetime.
The number of average EU households that one 6 MW offshore turbine can power.
The number of wind turbines spinning around the world at the end of 2012.
The amount of US dollars in subsidies given to all renewable energy technologies, versus the $USD 6-7 in subsidies given to fossil fuels (see the International Energy Agency’s 2011 World Energy Outlook).
The number of GW of wind power installed in 2011, bringing the total installed global capacity to more than 238 GW at the end of 2011.
The number of new wind turbines erected across the world in 2011.
The percentage of global electricity supplied by wind power.
The amount of global electricity that could be supplied by wind power in 2020.
Wind turbine blades rotate between 15 and 20 times per minute.
A farmer from Iowa using 1/10th of a hectare for a wind turbine could earn +-$10,000 per year, compared to +-$300 using the same area to grow corn for ethanol.
The largest offshore turbines are just over 6 MW with a rotor diameter of 126 metres – longer than a football field
The amount of megawatts in the first large commercial offshore project outside of Europe - the Shanghai Donghai Bridge offshore project.
The largest turbine in the world is the new Alstom Haliade 6 MW turbine with a rotor diameter of 150.8 meters.
The most powerful wind turbine is a 7.5 MW turbine with a rotor diameter of 126 meters.