Solar Electricity for Your Home
Solar Cells, Solar Electric Panels, Solar Energy from Photovoltaics

Solar Energy Facts

• The Earth receives as much energy from sunlight in 20 days as is believed to be stored in the Earth's entire reserves of coal, oil and natural gas.
• Some 2,000 years ago the Greeks used mirrors to focus the sun's rays on Roman ships, causing them to catch fire.
• There are presently three main types of solar power system: solar buildings, solar thermal concentration systems and photovoltaic cells. The latter were first developed for the United States' Space Programme.
• The term photovoltaic comes from the greek "phos" which means light and "volt", from the scientists Alessandro Volta. In other words, photovoltaic literally means "light-electricity".
• With today's technology, houses with passive solar design and efficient insulation can save as much as ninety nine per cent of energy used for space heating and cooling.
• Each year the sun delivers to the Earth enough free energy to light twelve million 100 Watt light bulbs all at the same time

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