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08 September 2017


+ Wind power output jumps over a third on same period last year - powering equivalent to 9 in 10 of all Scottish households’ electricity needs

Another record breaking August for wind energy in Scotland said environmental groups today (Mon 11 Sept).

Analysis by WWF Scotland of wind and solar data provided by WeatherEnergy found that for the month of August:

  • Wind turbines in Scotland alone provided 846,942 MWh of electricity to the National Grid, enough to supply, on average, the electrical needs of 2.25 m Scottish households – over 33% more homes than August 2016, when wind energy provided 629,603 MWh.
  • Wind generated enough output to potentially supply 100% or more of Scottish homes on nine out of the 31 days of August and power nearly 5m households across the UK on one day alone.
  • Scotland’s total electricity consumption (i.e. including homes, business and industry) for August was 1,776,118 MWh. Wind power therefore generated the equivalent of almost half (48%) of Scotland’s entire electricity needs for the month.

WWF Scotland’s acting head of policy Gina Hanrahan said:

“This week the First Minister put the low carbon economy at the heart of the Programme for Government and these figures show why this is a good decision for the climate and for business. Renewables are working, creating jobs and investment and cutting carbon and thanks to clear policy ambition we are now a leading global player.

“August was another great month for the wind sector, providing the equivalent of 93 per cent of the electricity needs of Scotland’s households. On August 19alone, output from turbines generated enough electricity to power nearly 5 million homes or 158 per cent of Scotland’s total electricity demand. Month after month renewables are continuing to play a vital role in cutting carbon emissions and powering the Scottish economy.

“We’ve made huge strides forward on electricity and now we need to do the same in heating, building efficiency and transport. Last week’s commitment from the Scottish Government to phase out petrol and diesel cars is a major step forward. We now need to build on that commitment in the forthcoming Climate Change Bill and Warm Homes Bill to ensure Scotland is best positioned to develop the global industries of the future.”

Karen Robinson of WeatherEnergy said:

“Scotland’s had another fantastic month for renewable electricity. With more turbines having come online, this trend looks set to continue. Already this year millions of tonnes of damaging carbon emissions have been avoided thanks to investment and forward-thinking policies.”


[1] Part of a joint project to help the public better understand the nation’s renewable energy resource, the data is provided by WeatherEnergy, part of the European EnergizAIR project, supported by the Intelligent Energy Europe Programme, led by the European Agency for Competiveness and Innovation (EACI).. Severn Wye Energy Agency is the UK partner.

Wind data for August 2017


Production (MWh)


Equivalent number of households potentially provided

% of households

August 2017




August 2016




August 2015




August 2014




National Grid demand for the month was – 1,776,118MWh

What % of this could have been provided by wind power - 48%

National Grid demand for August ’16 was – 1,840,984MWh

What % of this could have been provided by wind power –34%

Best day – 19 August 2017, generation was 59,240MWh, powering 4.87m homes, 201% households. Demand that day was 37,351MWh – wind generation was 158% of that.

Worst day – 24 August 2016 when generation was 5,836MWh, powering 480,329 homes, 20% of households

How many days generation was over 100% of households – 9

How many days generation was over 100% of Scottish demand - 2

Further technical information can be found here:


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