Solar Energy Information

Solar industry is helping to pave the way to a cleaner more sustainable energy future.

Solar energy information.

Solar energy is the cleanest and most abundant renewable energy source available and the u s. Various solar energy facts. News when will rooftop solar be cheaper than the grid. The world s first solar collector was built in 1767 by a swiss scientist horace de saussure and it was used for cooking food and heating water.

Over the past few years the cost of a solar energy system has dropped significantly helping to give more american families and business access to affordable clean energy. Solar energy facts reveal that the first documented use of solar energy although extremely simple can be traced back to 7th century bc when people used magnifying glasses to light fires. An example of an early solar energy collection device is the solar oven a box for collecting and absorbing sunlight. Solar technologies can harness this energy for a variety of uses including generating electricity providing light or a comfortable interior environment and.

The tremendous growth in the u s. Energy information administration frequently asked questions business insider here s how much of the world would need to be covered in solar panels to power earth org 11 facts about pollution the national renewable energy laboratory pv faqs world wildlife fund getting solar is easy s. Through a portfolio of r d efforts the energy department remains committed to leveraging america. Solar energy is radiant light and heat from the sun that is harnessed using a range of ever evolving technologies such as solar heating photovoltaics solar thermal energy solar architecture molten salt power plants and artificial photosynthesis.

The total amount of solar energy incident on earth is vastly in excess of the world s energy requirements and could satisfy all future energy needs if suitably harnessed. Every hour there s enough solar energy hitting the earth to replace all other energy sources humans use. In the 1830s british astronomer john herschel used a solar oven to cook food during an expedition to africa. It is an essential source of renewable energy and its technologies are broadly characterized as either passive solar or active solar depending.

People now use many different technologies for collecting and converting solar radiation into useful heat energy for. As of 2011 the technology produced less than one tenth of one percent of global energy demand. Solar power is energy from the sun that is converted into thermal or electrical energy. Solar energy radiation from the sun capable of producing heat causing chemical reactions or generating electricity.

All natural gas coal oil wind and biomass. Solar energy is the technology used to harness the sun s energy and make it useable. The consumption of non renewable sources like oil gas and coal is increasing at an alarming rate.