Energy efficiency standards for all new property have been being raised by most nations year on year, for some years now, with the intention of gradually reducing the energy demand burden from our buildings on oil and non-renewable energy based power. Nevertheless, to carry on forever, making buildings more efficient makes little sense if the cost rises, or the functionality of the building suffers beyond a certain point. At that point the developer has to be required to start supplying some of the energy the building will need from its own resources, usually these will need to be energy sources available on the site.
This year this has been the step which has been taken by the London development authorities on the instruction of the major, Ken Livingstone.
So, many must now be seriously looking at renewable energy systems which can be used in cities. We hope that this article might help them.
The following are our suggestions of five possible technologies which might be used to sustainably power buildings in cities:
Solar Cells
Solar cells (Photovoltaics) have been coming down in price for some time, so they have been becoming more frequently seen. We can expect this trend to continue and accelerate.
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