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The terms in bold link to topics in the AQA, Edexcel, OCR, WJEC and CCEA A-level specifications, as well as the IB, Pre-U and SQA exam specifications.
The amount of kinetic energy in the wind can be calculated from the volume and density of the air and the wind speed. Wind turbines can transfer energy from the wind to generate electricity. The efficiency with which a wind turbine can do this has a maximum theoretical value, as well as practical limitations on design. Total power output of wind turbines in the UK is forecast to reach 50 gigawatts (5.0 × 1010 W) before 2030.
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