SAWEA Business Members
62 registered businesses


SAWEA Individual Members
13 individuals


Energy Potential of Wind Energy in SA
62% of SA's current energy needs
  • 84
    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.
  • 583
    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.
  • 240,000
    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%.
  • 670,000
    The number of people employed worldwide by the wind industry in 2011.
  • 5,700,000,000
    The EU exported 5.7 billion Euro worth of wind industry products and services in 2011.
  • 2
    A 10 MW wind farm can easily be built in two months. A larger 50 MW wind farm can be built in six months.
  • 7
    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.
  • 520,000
    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.
  • 446,000,000,000
    The number of kilowatt hours of wind energy produced worldwide in 2011.
  • 17
    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.
  • 89%
    The percentage of EU citizens who are in favour of wind power, according to a 2011 poll.
  • 59,6%

    On 6 November, 2011 at 2 am, 59.6% of Spain’s total power demand was supplied by wind power.

  • 30%

    Of Denmark's electricity consumption was covered by wind energy.  The Danish government aims to get 50% of its electricity from wind by 2020.

  • 45,894

    The amount of wind turbines up and running in China at the end of 2011.

  • 39,4%

    The annual growth of Chinese wind market in 2011.

  • 3

    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.

  • 225,000

    The number of wind turbines spinning around the world at the end of 2012.

  • 55%

    Of all the electricity used by South Australians on 5 September 2012 was generated by wind power.

  • 8,000

    The number of parts a wind turbine has.

  • 15,000

    The amount of new jobs created by the wind industry in 2012 in Brazil.

  • 25

    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)

  • 5,500

    The number of average EU households that one 6 MW offshore turbine can power.

  • 10,000

    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.

  • 41

    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.

  • 23,640

    The number of new wind turbines erected across the world in 2011.

  • 102

    The amount of megawatts in the first large commercial offshore project outside of Europe - the Shanghai Donghai Bridge offshore project.

  • 15

    Wind turbine blades rotate between 15 and 20 times per minute.

  • 150

    The largest turbine in the world is the new Alstom Haliade 6 MW turbine with a rotor diameter of 150.8 meters.

  • 2,5%

    The percentage of global electricity supplied by wind power.

  • 1

    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).

  • 8-12%

    The amount of global electricity that could be supplied by wind power in 2020.

  • 7,5

    The most powerful wind turbine is a 7.5 MW turbine with a rotor diameter of 126 meters.

  • 6

    The largest offshore turbines are just over 6 MW with a rotor diameter of 126 metres – longer than a football field