http://www.e24.ee/?id=271346&com=1&lk=3
04.06.2010 11:39
Wisa : Uued akud taastuvenergia salvestamiseks
200TWh
http://www.energy-daily.com/reports/Storing_Green_Electricity_As_Natural_Gas_999.html
väiksem
http://www.guardian.co.uk/environment/2010/apr/26/gravel-batteries-renewable-energy-storage
Igaühe õigus elektrit toota
http://www.guardian.co.uk/environment/2010/apr/30/feed-in-tariff
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