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With electricity prices going up, new worries concerning global warming increasing, and the new solar technologies becoming available at such attractive prices, making electricity from the sun is certainly one of the smarter ways to help both the environment and the bank account. The Earth receives 174 petawatts (PW) of solar radiation at the upper atmosphere. While traveling through the atmosphere, 6% (10.44 PW) of the incoming solar radiation (insolation) is reflected and 16% (27.84 PW) is absorbed. Average atmospheric conditions (clouds, dust, pollutants) further reduce insolation by 20% (34.8 PW)through reflection and 3% (5.22 PW) through absorption. What is left over (95.7 PW) is still a vast amount of energy that is available on a daily basis to be harnessed and put to work. Using the solar energy we will have available on a more or less permanent basis, we can use that solar power to heat our homes, heat cooking equipment, and bathing water or a number of things. As the growing energy issues continue to impact energy prices, solar power becomes more and more attractive. The opportunity to convert your home appliances, such as your hot water, outdoor pool, refrigerator, and so on has never been better. Within a short period of time, especially if proposed governmental legislation to counter global warming is put into place, the price of electricity generated from coal, natural gas, and oil will be increasing at an alarming rate. |
Solar NewsScienceDaily: Solar Energy NewsSolar Energy Information. Read the latest news and techniques for efficient solar photovoltaic power, new solar energy systems and more. Graphene organic photovoltaics: Flexible material only a few atoms thick may ... A research team has produced flexible transparent carbon atom films that the researchers say have great potential for a new breed of solar cells. Charging up electric car batteries in environmentally-friendly way Electromobility makes sense only if car batteries are charged using electricity from renewable energy sources. But the supply of green electricity is not always adequate. An intelligent charging station can help, by adapting the recharging times to suit energy supply and network capacity. Quantum entanglement in photosynthesis and evolution Recently, academic debate has been swirling around the existence of unusual quantum mechanical effects in the most ubiquitous of phenomena, including photosynthesis, the process by which organisms convert light into chemical energy. In a new paper, these ideas are put to the test. Breakthrough in thin-film solar cells: New insights into the indium/gallium p... Scientists have made a major breakthrough in their search for more efficient thin-film solar cells. Computer simulations designed to investigate the so-called indium/gallium puzzle have highlighted a new way of increasing the efficiency of CIGS thin-film solar cells. Reports detail global investment and other trends in green energy Investment in green energy in China, most notable in wind energy, leapt 53 per cent in 2009, bucking a trend during the recession that saw global investments dip 7 per cent overall from 2008 levels. However, if spending on solar water heaters (now used in 70 million world households) and total installation costs for rooftop solar were included, renewables investment worldwide increased last year. |
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Some people consider our reliance on oil, gas, and coal powered electricity to be worrisome enough to be suggesting a massive new project to convert a large percentage of electrical generation in North America into a solar powered solution.
The market for solar photovoltaic panels, which are cells made of crystalline silicon and used to turn sunlight into electricity, has grown by roughly 42% annually since 2002. The reasons for you to consider being part of this growth are very good indeed. Save money, be independant of the electrical grid (which as infrastructure become more and more worn over the years results in frequent power losses), and help cut back on the coal, natural gas, and oil consumption used to generate electricity. The United States has the opportunity to position itself as a global leader in producing utility-scale solar power from its vast deserts, but it needs immediate and appropriate government support, a new report from the International Energy Agency says. The study by the Paris-based energy policy adviser for developed nations says with R&D backing, adoption of feed-in tariffs and binding renewable energy portfolio standards, the U.S. and other sunny nations could accelerate the cost reductions needed for widespread deployment of concentrating solar power (CSP) plants. [More Info] | |||
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