Costs Solar water heating

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the payback period shorter given greater insolation. however, in temperate areas, solar water heating cost effective. payback period photovoltaic systems has historically been longer. costs , payback period shorter if no complementary/backup system required. extending payback period of such system.


subsidies

australia operates system of renewable energy credits, based on national renewable energy targets.


the toronto solar neighbourhoods initiative offers subsidies purchase of solar water heating units.








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