Issue Date: May 31, 2004
According to IEA's factsheet, Renewables in global energy supply, the wind energy sector has grown at more than 52 per cent per annum since 1971, and solar power by 32 per cent per annum. Renewables in 2000 accounted for 13.8 per cent of the world's total primary energy supply (electricity, heat, transport fuels, commercial and non-commercial energy). Combustible renewables and waste (97 per cent biomass) comprised 80 per cent of total renewables, followed by hydro power (16.5 per cent).
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Hello,
I have been selling glass for commercial buildings talking about light, thermal/solar heat gain etc.etc..but I...
Dear Saxena ji,
Thank you for inquiry.
West facing windows can be a big source of heat, first measure which you...