Solar Energy Information

Various solar energy facts.

Solar energy information.

Solar energy radiation from the sun capable of producing heat causing chemical reactions or generating electricity. 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. People now use many different technologies for collecting and converting solar radiation into useful heat energy for. 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.

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. Through a portfolio of r d efforts the energy department remains committed to leveraging america. Seven facts about solar energy one hour. 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.

All natural gas coal oil wind and biomass. 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. Solar power is energy from the sun that is converted into thermal or electrical energy. The consumption of non renewable sources like oil gas and coal is increasing at an alarming rate.

In the 1830s british astronomer john herschel used a solar oven to cook food during an expedition to africa. Solar energy is the cleanest and most abundant renewable energy source available and the u s. As of 2011 the technology produced less than one tenth of one percent of global energy demand. Solar industry is helping to pave the way to a cleaner more sustainable energy future.

News when will rooftop solar be cheaper than the grid. Solar energy is the technology used to harness the sun s energy and make it useable. The time has finally come to look after some other renewable sources of energy i e solar wind and geothermal energy although many countries have started utilizing solar energy extensively they still have to go a long way to exploit this renewable energy to fulfill. 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.

It is an essential source of renewable energy and its technologies are broadly characterized as either passive solar or active solar depending. The tremendous growth in the u s. An example of an early solar energy collection device is the solar oven a box for collecting and absorbing sunlight.