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At the Earthship house in Scotland, micro, or small and local, electricity generators are used to provide all power needs. Each generator is powered by a renewable source of energy, which doesn't deplete materials from the environment. The solar generator uses the sun's energy to generate 10% of the electricity needed. The wind turbine contributes 40%, and the remaining 50% is generated by the hydro turbine. One drawback is that the power output is reduced when there is no sun or wind.
This clip is from:
First broadcast:
6 October 2008

Classroom Ideas

This clip could be used to ask the students if they know anywhere micro-generation from renewable energy sources is used. Investigate how wind, hydro or solar energy could be used in their local community.