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	<title>Renewable Power News &#187; Photovoltaic</title>
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		<title>Minor Changes To the Tiniest Parts In Solar Cells Yields Surprising Rise In Efficiency</title>
		<link>http://www.renewablepowernews.com/archives/2920</link>
		<comments>http://www.renewablepowernews.com/archives/2920#comments</comments>
		<pubDate>Tue, 24 Jan 2012 23:41:50 +0000</pubDate>
		<dc:creator>Jimmy Eriksson</dc:creator>
				<category><![CDATA[Alternative Power Sources]]></category>
		<category><![CDATA[Photovoltaics]]></category>
		<category><![CDATA[Renewable Power]]></category>
		<category><![CDATA[Solar Power]]></category>
		<category><![CDATA[Global Energy]]></category>
		<category><![CDATA[Photovoltaic]]></category>
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		<description><![CDATA[A team of engineers from University of Buffalo has been able to significant increase the conversion rate of solar-energy technology by tweaking the tiniest parts of the cells. At University of Buffalo, researchers have already demonstrated that embedding quantum dots into modern photovoltaic cells increase the energy output significantly. It allows the cells to generate [...]]]></description>
			<content:encoded><![CDATA[<p>A team of engineers from University of Buffalo has been able to significant increase the conversion rate of solar-energy technology by tweaking the tiniest parts of the cells. </p>
<p>At University of Buffalo, researchers have already demonstrated that embedding quantum dots into modern photovoltaic cells increase the energy output significantly. It allows the cells to generate energy from infrared light and therefore, the energy that can be harvested from photoelectrons is amplified. </p>
<p>In the Journal of Nano Letters, in May, the research team having Andrei Sergeev, Vladimir Mitin and Nizami Vagidov from the faculty of UB’s electrical engineering department; Kimberly Sablon a nanofabricate expert and John Little from the U.S. Army Research laboratory; John Little; as well as Kitt Reinhardt from the Air Force Office of Scientific Research. </p>
<p>OPtoElectronic Nanodevices LLC (OPEN LLC) is a company that has been founded by Vagidov and Mitin Sergeev, in order to provide rapid innovation into the commercialized market. </p>
<p>Mitin says that since a decade ago, scientists have been trying to effectively integrate quantum dots to solar panels. It has been known since long that, this would enhance the efficiency by permitting the solar cells to capture invisible (infrared) light. Yet, previous studies have been hit by limitations. </p>
<p>The UB team and the military colleagues have been able to integrated quantum dots, to exploit infrared light, but also they have been able to significantly increase the built-in charge of the dots present in the solar cells. </p>
<p>The built-in charge is highly advantageous, electrons repel and this compels electrons to move within the quantum dots. The advantage of harvesting moving electrons is that electric currents are avoided. </p>
<p><a href="http://www.renewablepowernews.com/wp-content/uploads/nl-2011-00543v_0005.gif"><img src="http://www.renewablepowernews.com/wp-content/uploads/nl-2011-00543v_0005.gif" alt="" title="nl-2011-00543v_0005" width="500" height="184" class="aligncenter size-full wp-image-2923" /></a></p>
<p>Mitin, a SUNY Distinguished professor at UB’s office of Science, Technology Transfer, and Economic Outreach (STOR) says that the efficiency of the solar cells has increased to 45 percent. </p>
<p>The presence of highly efficient solar cells will bring clean technology to another playground.  Solar energy will become cheaper, requiring smaller footprint and provides affordable energy to consumers. </p>
<p>Currently, OPEN LLC is seeking for federal programs as well as private investors to fund the projects to bring the quantum dot with a built in charge to the market. The team has already spent long-days in developing this astounding solar cell technology.</p>
<p>Source: <a href="http://www.sciencedaily.com/releases/2012/01/120120184534.htm">Science Daily and <a href="http://pubs.acs.org/doi/abs/10.1021/nl200543v">ACS Publications</a><br />
</a></p>
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		<title>Toshiba, Sojitz Selected for Renewable Energy in Regions Affected by Quake</title>
		<link>http://www.renewablepowernews.com/archives/2912</link>
		<comments>http://www.renewablepowernews.com/archives/2912#comments</comments>
		<pubDate>Sat, 21 Jan 2012 12:46:46 +0000</pubDate>
		<dc:creator>Jimmy Eriksson</dc:creator>
				<category><![CDATA[Alternative Power Sources]]></category>
		<category><![CDATA[Renewable Power]]></category>
		<category><![CDATA[Alternative Energy]]></category>
		<category><![CDATA[Global Energy]]></category>
		<category><![CDATA[Government Incentives]]></category>
		<category><![CDATA[Photovoltaic]]></category>
		<category><![CDATA[Renewable Energy]]></category>

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		<description><![CDATA[In order to join hands in the efforts that are being made by Japan to encourage the use of renewable energy in regions that were recently hit by tsunami and earthquake, Toshiba Corp. will be conducting a feasibility study based on solar energy along with Taisei Corporation and Sojitz Corporation. The above mentioned companies were [...]]]></description>
			<content:encoded><![CDATA[<p>In order to join hands in the efforts that are being made by Japan to encourage the use of renewable energy in regions that were recently hit by tsunami and earthquake, Toshiba Corp. will be conducting a feasibility study based on solar energy along with Taisei Corporation and Sojitz Corporation.</p>
<p>The above mentioned companies were the winners of an order offered by the Ministry of Environment. It consist of conducting a research to determine whether or not the Minamisoma city, located in Fukushima, is appropriate to generate twenty megawatts of solar energy, stated Toshiba in a shared statement. Minamisoma is found approximately 30 kilometers from the nuclear plant Dai- Ichi. The plant found in Fukushima was demolished during the recent catastrophe.  </p>
<p>The project obtained by Toshiba is not the sole one that the Ministry is planning. According to the announcement made by the Ministry there are seven other such feasibility study projects. Three of these projects will be based on solar energy, one will focus on geothermal and the remaining will deal with wind energy.</p>
<p>The Ministry further stated that another study in solar power will be carried out in Kesennuma city by Mitsubishi UFJ Research and Consulting Co.</p>
<p>Moreover the Ministry explained that the quick introduction of renewable energy in regions hit by disasters forms part of the government’s reconstruction efforts.</p>
<p>When contacted by phone, one of the officers from the government’s climate-change policy division, Yasuhiro Muroishi, said that a budget of $5 million has been allocated to these studies by the Ministry. </p>
<p>It is expected that Toshiba along with the two additional companies will bring together the end results of their studies by the end of March.</p>
<p>Source<a href="http://www.businessweek.com/news/2012-01-13/toshiba-sojitz-picked-for-clean-energy-in-japan-quake-areas.html">: business Week</a></p>
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		<title>“Dark State” Increasing Solar Efficiency by 44 %</title>
		<link>http://www.renewablepowernews.com/archives/2888</link>
		<comments>http://www.renewablepowernews.com/archives/2888#comments</comments>
		<pubDate>Sun, 18 Dec 2011 20:29:16 +0000</pubDate>
		<dc:creator>Jimmy Eriksson</dc:creator>
				<category><![CDATA[Alternative Power Sources]]></category>
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		<description><![CDATA[Xiaoyang Zhu a chemist at University of Texas at Austin says that the conversion efficiency of traditional solar cells can be radically improved based on new ways of converting solar energy. According to Zhu’s team, it was found that the efficiency of harnessing electrons from a single photon of sunlight could be doubled by the [...]]]></description>
			<content:encoded><![CDATA[<p>Xiaoyang Zhu a chemist at University of Texas at Austin says that the conversion efficiency of traditional solar cells can be radically improved based on new ways of converting solar energy. </p>
<p>According to Zhu’s team, it was found that the efficiency of harnessing electrons from a single photon of sunlight could be doubled by the use of organic plastic semiconductor material. </p>
<p>Zhu says that plastic semiconductor solar cell has several advantages such as low cost, capability for synthesis thanks to molecular design and this makes it possible to exploit solar energy at far more efficient levels than currently. </p>
<p>This break-through was published by Zhu and his team in Science, 16th of December 2011. </p>
<p>Currently, conventional silicon solar cell can reach a maximum theoretical efficiency rate of 31 percent, and this is because most of the sunrays that struck the cell are too strong to be converted into electricity. The ‘hot electron’ is heat energy that is practically lost. Solar cells that could capture hot electrons could boost up the energy conversion rate of solar energy from 31 to 66 percent. </p>
<p>Recently, in 2010, Zhu and his team showed that it is possible to harness hot electrons by the use of semiconductor nano-crystals. However, Zhu admits that introducing such technology is extremely complex. </p>
<p>According to Zhu, an efficiency rate of 66 percent can only be captured when sunlight is focused on the solar panel not only raw sunlight. So there is a need to develop a new engineered device that ensures higher concentration of sunlight. </p>
<p>The team found a solution to this, when they found that a photon can make a dark quantum or so called ‘shadow state’ whereby two electrons can be captured via the use of a semi-conductor pentacene. </p>
<p>The use of this simple mechanism would practically increase converstion rate of solar cells by 44 percent. There would also be no need to develop a new device to have a concentrated solar beam. According to Zhu, it is a technology that could be pervasively used by the public. </p>
<p><a href="http://www.renewablepowernews.com/wp-content/uploads/schematic-edit.jpg"><img src="http://www.renewablepowernews.com/wp-content/uploads/schematic-edit.jpg" alt="" title="schematic-edit" width="537" height="400" class="aligncenter size-full wp-image-2890" /></a></p>
<p><strong>Main Facts in the Findings:</strong></p>
<p><em>1.	When a photon is absorbed in a pentacene semi-conductor, it makes a so called excited electron-hole pair, which is known as an exciton.<br />
2.	An exciton is practically a pair of quantum forming a dark ‘shadow state’ which is known as multiexciton.<br />
3.	When an electron material is used like fullerene, the dark shadow state can very efficiently absorb two electrons.<br />
4.	The Dark Shadow state can increase the efficiency of solar cells by as much as 44 percent. </em></p>
<p>The National Science Foundation as well as the Department of energy sponsored this research that was spearheaded by Wai-lun Chan; One of Zhu’s postdoctoral fellows. In the team, other postdoctoral fellows were involved including Luis Miaja-Avila, Loren Kaake, Manuel Ligges and Askat Jailaubekov. </p>
<p>Source:<a href=" http://www.sciencedaily.com/releases/2011/12/111215141617.htm"> Science Daily</a> and <a href="http://www.zeitnews.org/energy/discovery-of-a-dark-state-could-mean-a-brighter-future-for-solar-energy.html">Zeitnews</a></p>
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		<title>Solar Power to Reach Grid Parity In 5 Years</title>
		<link>http://www.renewablepowernews.com/archives/2871</link>
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		<pubDate>Fri, 09 Dec 2011 02:58:19 +0000</pubDate>
		<dc:creator>Jimmy Eriksson</dc:creator>
				<category><![CDATA[Alternative Power Sources]]></category>
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		<description><![CDATA[India’s government says that solar power will cost the same as typical electricity within five years from now. In 2017, the tariff of solar power will be on the same rate as thermal energy. Recent trend has shown a significant decrease in price per project.. The renewable-energy minister says that companies are bidding at rate [...]]]></description>
			<content:encoded><![CDATA[<p>India’s government says that solar power will cost the same as typical electricity within five years from now. In 2017, the tariff of solar power will be on the same rate as thermal energy. Recent trend has shown a significant decrease in price per project.. </p>
<p>The renewable-energy minister says that companies are bidding at rate as low as 7.49 per unit for the construction of solar plants this year. It might not be long until solar-energy reaches ‘grid parity’, which will make solar energy even more demanded as a source of energy. </p>
<p>The Joint Secretary Minister, Tarun Kapoor says that the price will constantly fall year-by-year. Previously, the aim was to reach grid-parity by year 2022. However, the industry is given a positive indication that this target can now be reached by 2017. In addition, the cost of coal projects has gone up from 5.50 to 6 per unit due to the lack of local supply of coal and the need to import. </p>
<p>In the bids given on the National Solar Mission, the average price per unit was 8.78 while the lowest bid was laid by a French company, SolaireDirect, at as low as 7.49 per units for a typical 5 MW project. </p>
<p>In the round of bids, there were 28 suggested projects and each company could be given a maximum of 3 projects:</p>
<p><em>-	8 project of 20 MW<br />
-	5 projects 15 MW<br />
-	10 project of 10 MW<br />
-	6 projects of 5 MW</em></p>
<p>Azure Power was given projects to construct solar power projects matching 35 MW. Their CEO, Inderpreet Wadhwa says that solar power does nowadays have the same market potentials as computers had in 1970s. The cost of solar power will be further pushed down with technology enhancement and innovation. In the first round in 2009, the company had given a quote of 17.91 per unit while for the current bid, the price has been laid at 8.21.</p>
<p>This remarkable improvement in the cost-competitiveness of solar power is showing that large investment can take place in India’s solar industry. </p>
<p>It is encouraging at an international level to see how India is driving price down. It is the only country of the few emerging countries that are supporting solar energy at a very large level.</p>
<p>The director from Renewable Energy Ministry did in the previous month’s Central Electricity Regulation Committee (CERC) emphasis on the decreased capital cost for typical collar cells. This is considered as a prime reason for the reduction in price. The cost of solar power will constantly fall to enable solar power to reach grid-parity. </p>
<p>The so called cost per megawatt is expected to fall even more; to 10 crore in 2013 from 14 crore in 2012. </p>
<p>Yet, reasons such as improvement in technology, international fall in the cost of solar cells and efficiency are other forces pushing the price of solar power down. </p>
<p>Source:<a href="http://economictimes.indiatimes.com/news/news-by-industry/energy/power/solar-thermal-power-to-cost-same-in-5-years/articleshow/11013369.cms"> Economic Times</a></p>
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		<title>Will Mars Be a Hub For Nuclear Energy Or Solar Power?</title>
		<link>http://www.renewablepowernews.com/archives/2857</link>
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		<pubDate>Sun, 27 Nov 2011 14:09:02 +0000</pubDate>
		<dc:creator>Jimmy Eriksson</dc:creator>
				<category><![CDATA[Alternative Power Sources]]></category>
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		<description><![CDATA[Opportunity and Spirit were the two last NASA Mars rovers sent to outer-space in 2003. They used solar energy as a source of energy. However, from Cape Canaveral, in November 2011 another rover has started its mission but with nuclear power. Spirit and Opportunity – Solar Powered Rovers Apparently, solar power and nuclear power have [...]]]></description>
			<content:encoded><![CDATA[<p>Opportunity and Spirit were the two last NASA Mars rovers sent to outer-space in 2003. They used solar energy as a source of energy. However, from Cape Canaveral, in November 2011 another rover has started its mission but with nuclear power. </p>
<p><strong>Spirit and Opportunity – Solar Powered Rovers</strong></p>
<p>Apparently, solar power and nuclear power have some shortcomings in space. For instance, the solar panels used for Spirit, and Opportunity are made of gallium-arsenide. It is a niche product, with very high production cost per inch. The typical rooftop panels, which are silicon-based, are significantly cheaper. </p>
<p>In general solar power has been working fine on Mars with only some minor issues. On some occurrences dust storms reduced the capture sunlight by as much as 90 percent. A project known as ‘cleaning even’ referred to current that removed the dust that had accumulated on the cells. </p>
<p>The missions have been successful. Spirit is, however, no longer operating. But Opportunity has exceeded all expectations and operates fine after seven and half year of full functioning. Each of the rovers weights 400 pounds, and powered with lithium-ion battery, which stored the energy generated by cells. The maximum storage capacity was 140 watts. Here on earth, 140 watts are sufficient to run a monitor and a desktop computer. However, on Mars, the same amount of energy is used to power cameras, radios, other instruments as well as to propel the rover. </p>
<p><strong>Curiosity – Nuclear Rover</strong></p>
<p>The new Mars rover which was launched in November, 2011 had a far superior weight, being 2,000 pounds. The director of Space Nuclear System and Technologies division at the Idaho National Laboratory, Stephen G. Johnson says that this vehicle is as small as a car. The rover is equipped with laser that will be used to cut rocks, as well as other instruments that will facilitate the analysis of the materials. In other words, the energy required by this rover is far more than the Spirit and Opportunity. </p>
<p><a href="http://www.renewablepowernews.com/wp-content/uploads/n14_PIA14309.jpg"><img src="http://www.renewablepowernews.com/wp-content/uploads/n14_PIA14309-1024x711.jpg" alt="" title="n14_PIA14309" width="530" height="461" class="aligncenter size-large wp-image-2858" /></a><br />
An expert in Space technology from George Washington University, Dr. John M. Logsdon says that plutonium 238 is the only fuel that will be able to power the large space rover. </p>
<p>The machine is going to operate for two earth years which is equal to one Maritain year. </p>
<p>The space rover, Curiosity has nuclear-power packs that can constantly generate 110 watts. However, the system doesn’t work as typical nuclear reactors used on Earth. The uranium atoms aren’t split to make heat for the purpose of boiling water and to produce steam. </p>
<p>In space, the nuclear-power packs don’t use reactors. The atoms are not even split. The nuclear-power packs have plutonium 238, an isotope of 88 years, implying that the radioactive decay is extremely rapid and glows red-hot. This heat is directly changed into electricity. It is alpha particles that are released through the radioactive emission, which are practical and easy to catch. </p>
<p>Nevertheless, in the United States, nuclear materials are hard to find as it is getting old. The Energy Department shut the production of Savannah River Plant, found close to Aiken, S.C., in the 1980s. Since then there haven’t been any production of plutonium 238 in the US. America has been purchasing plutonium 238 from Russia ever since 1980s but today, not even Russia&#8217;s produce plutonium 238.</p>
<p>The National Academy of Science suggested the restarting of production of plutonium 238 in <a href="http://www.nap.edu/openbook.php?record_id=12653&#038;page=1">a ‘2009 report’. </a>However, this hasn’t been initiated. </p>
<p>NASA has a substitute technology known as t<a href="http://www.sesusa.org/">he ‘Stirling Engine System’.</a> The system can generate five-fold the energy of each heat unit. It does therefore reduce the dependency for plutonium. Yet, there are several moving parts involved and this is why it hasn’t been adopted for space use. </p>
<p>According to Professor, Steven W. Squyres, of astronomy at Cornell who is also the chief scientist for Spirit and Opportunity rovers says that solar energy is cheaper and the best option to be used. Nuclear power is only used when there is no other suitable substitute. </p>
<p>In addition, NASA also launched Juno this year; a spaceship heading towards Jupiter powered with solar cells, due to the lack of plutonium. Jupiter is, nevertheless, not an ideal region to use solar cells as it is five times farther away from the sun than Earth thus the intensity of solar rays as 96 percent less, or only 4 percent of earth’s solar intensity. </p>
<p>There is a need to re-launch the production of plutonium 238, and to generate more efficient ways of using this energy. </p>
<p>Source: <a href=" http://green.blogs.nytimes.com/2011/11/23/the-competition-between-solar-and-nuclear-energy-moves-to-mars/">Green Blogs</a></p>
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		<title>Reviewing The Future Design Of Solar Technology</title>
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		<pubDate>Sun, 27 Nov 2011 02:06:39 +0000</pubDate>
		<dc:creator>Jimmy Eriksson</dc:creator>
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		<description><![CDATA[Solar technology is becoming more and more flat. This applies to household solar panels, industrial solar arrays in the desert; Solar panels are literally defined by its flat shape. Yet, solar panels do not need to be flat. In our natural world, practically nothing is flat and therefore why should solar panels continue to have [...]]]></description>
			<content:encoded><![CDATA[<p>Solar technology is becoming more and more flat. This applies to household solar panels, industrial solar arrays in the desert; Solar panels are literally defined by its flat shape. Yet, solar panels do not need to be flat. In our natural world, practically nothing is flat and therefore why should solar panels continue to have a flat design?</p>
<p>Jeffery Grossman, an engineering Professor at MIT has been inspired by the natural way that tree&#8217;s capture sunlight from their leaves has developed three-dimensional shapes of solar cells that can generate solar energy with higher efficiency. Apparently, it was found that the 3-dimension solar panels are ostensibly more efficient than the flat structure even during rainy days. </p>
<p>The team of Professor Grossman explains the efficiency of their 3D solar panels on the roof of the Boston research Lab at MIT on a rainy day. </p>
<div><iframe frameborder="0" width="540" height="324" src="http://d.yimg.com/nl/ynews/thiscouldbebig/player.html#browseCarouselUI=show&#038;vid=27355792"></iframe></div>
<p>For most solar technologies, it would be useless to do a demonstration of solar panels during a rainy day. However, for 3D solar panels, this isn’t the case, even during a rainy-day Professor Grossman and his team are able to demonstrate how 3D panels can generate electricity. They claim the 3-dimensional solar panels to be as effective during cloudy days as in sunny ones. </p>
<p>The dynamic shapes of the solar panels that have literally been inspired by nature are impressive. They are resilient against bad weather and equally have a higher capacity to capture direct sunlight than typical flat panels using the same footprint. This is because the solar panels can be designed in a vertically. </p>
<p>The team’s architect Rachelle Villalon, says that solar panels are usually designed to be hidden on the rooftops. With this new 3D design the team envisions a day when it would be possible to create iconic statues or architects placed all around in cities to generate electricity. </p>
<p>Source:<a href="http://news.yahoo.com/blogs/this-could-be-big-abc-news/future-solar-power-134303743.html"> Yahoo (News)<br />
</a></p>
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		<title>Affordable Thermal Solar Energy For Home Use</title>
		<link>http://www.renewablepowernews.com/archives/2795</link>
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		<pubDate>Wed, 26 Oct 2011 16:53:28 +0000</pubDate>
		<dc:creator>Jimmy Eriksson</dc:creator>
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		<description><![CDATA[Solar thermal is probably the cheapest source of household heated water: besides the initial investment, the convertor will function at no cost, harvesting a free source of energy – sun’s thermal radiation. Such a device could provide from 30% to 80% of the warm water needed for a family of four, depending on the total [...]]]></description>
			<content:encoded><![CDATA[<p>Solar thermal is probably the cheapest source of household heated water: besides the initial investment, the convertor will function at no cost, harvesting a free source of energy – sun’s thermal radiation. Such a device could provide from 30% to 80% of the warm water needed for a  family of four, depending on the total insolation per day. </p>
<p>The thermal component of the sun rays is absorbed by a collector – this is how water is heated and stored in a thermal store.  </p>
<p><strong>There are three systems of solar collectors:</strong></p>
<p><em>1.	Flat sheets of metal (either copper or aluminum) housed in an insulated casing covered with thin glass; the metal absorbs the solar heat and transfers it to the water tubing beneath.  </p>
<p>2.	Vacuumed glass tubes half-filled with either distilled water with additives, or alcohol, that boil at a low temperature; the heat is collected by metal piping and stored. </p>
<p>3.	Unglazed plastics that are direct collectors; they transfer the heated to – for example – swimming pools.</em></p>
<p>Also, depending on the way they circulate the heat absorbent, solar convectors are passive and active. </p>
<p>The first category uses simple convection systems; the collector fluid’s temperature is raised to the boiling point. It yields thermal energy to the domestic water piping and, at the same time. It condenses and re-enters the evaporation circuit.<br />
The second category pumps cold water, at a calculated volume per time unit, into the collector. The heated water is then circuited into the household pipelines. The pump is either plugged to the indoor power system or is connected to a photovoltaic source – which is another initial investment.</p>
<p>The three types of solar systems have very different initial costs, but they perform at a similar efficiency. Discussions over this topic revealed that, if the plate metal system is technologically cheaper (overall system and materials), the vacuum system lands the market at similar prices, due to the massive Chinese dominance. The third system – unglazed plastic – has fewer, specialized uses, and doesn’t enter the wide range domestic use competition.</p>
<p>On the other hand, the choice is complicated by another technical differentiation: open-loop systems directly circulate the heated water through the collector, while the close-loop system heats the transfer fluid (pure water or glycol) which, in its turn, transfers heat to the household water piping.</p>
<p>Nevertheless, plate metal and evacuated systems eventually need an extra expense – the heat storage unit, even for tropical regions, where insolation is significantly superior to temperate regions, </p>
<p>Calculation have been made that revealed that, at an insolation of 3.2 kW.h/m2/day (temperate, e.g. Zurich, Switzerland), the average efficiency for all combinations is 5, while at an insolation of 6.5 kW.h/m2/day (tropical, e.g. Phoenix, Arizona, USA), at a double insolation, the efficiency is almost double, around 9.5.</p>
<p>The calculation above was done for 200 liters of heated water. It was also revealed that, in temperate regions, the water temperature was raised to approx. 17°C, while in tropical regions; the heated water reached 33°C.</p>
<p>The insolation rate differences also reflects in savings: in not so hot regions, the annual electrical power consumption economy varies from 30% to 50%, in tropical region&#8217;s savings; for heating household water could reach up to 70%</p>
<p>The payback period also depends on the insolation: 6.9 years for the sunny Australia, 12.6 for USA and 18.2 years for the rainy UK.</p>
<p>Source: <a href="http://www.solarnovus.com/index.php?option=com_content&#038;view=article&#038;id=3626:domestic-solar-thermal-nuts-and-bolts-of-the-technology&#038;catid=38:application-tech-features&#038;Itemid=246">Solar Novus</a></p>
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		<title>2010-2030 Renewable Energy Plan launched In South Africa</title>
		<link>http://www.renewablepowernews.com/archives/2787</link>
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		<pubDate>Sun, 23 Oct 2011 14:28:22 +0000</pubDate>
		<dc:creator>Jimmy Eriksson</dc:creator>
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		<description><![CDATA[2010-2030 Renewable Energy Plan launched In South Africa The plan aims to make provisions of renewable energy: - 1450 MW of power generated by converting solar radiation into direct current electricity (photovoltaic) - 1,850 MW of wind energy generated onshore - 200 MW of energy generated by concentrating large areas of sunlight onto small area [...]]]></description>
			<content:encoded><![CDATA[<p>2010-2030 Renewable Energy Plan launched In South Africa</p>
<p>The plan aims to make provisions of renewable energy: </p>
<p><strong>-	 1450 MW of power generated by converting solar radiation into direct current electricity (photovoltaic)<br />
-	 1,850 MW of wind energy generated onshore<br />
-	200 MW of energy generated by concentrating large areas of sunlight onto small area with the help of lenses or mirrors (CSP)<br />
-	 100 MW energy from plants fuelled by bio-gas<br />
-	75 MW of hydroelectric energy.<br />
</strong><br />
A programme targets to generate 17,800 MW of energy by 2030, invites its first tenders. This target makes up around 42 % of the total extra electrical power plants that are expected to be in place at that time. The current short-term goal is being tackled with tender for the generation of 3725 MW by 2016.</p>
<p>As pre-decided in the nation’s Integrated Resource Plan for 2010 to 2030, there would be a set of preferred bidders who would be supplying the country with renewable energy. The UN climate summit which commences in Durban, South Africa, on November 28th, will also be involved in the announcement of the names of these bidders.</p>
<p>The commencing phase of an international tender for building renewable-energy  plants was launched by the Department of Energy of South Africa; for a total output of 3725 MW by the year 2016.</p>
<p>The task, which would comprise of numerous phases, will need to be accomplished by the end of three years from now. The COP-17 or UN Climate Conference to be conducted in Durban from 28th November to 9th December 2011, will witness the end of stage one.</p>
<p><strong>The net value of these projects is reported to be close to USD 11 Billions and includes:</strong><br />
<em>-	 1450 MW of power generated by converting solar radiation into direct current electricity, -<br />
-	1,850 MW of wind energy generated onshore<br />
-	200 MW of energy generated by concentrating large areas of sunlight onto small area with the help of lenses or mirrors (CSP)<br />
-	100 MW energy from plants fuelled by bio-gas<br />
-	 75 MW of hydroelectric energy.<br />
-	The plan would also include some small plants generating a total output of 100 MW.</em></p>
<p>The USD 8 million (R75-million) worth wind farm Darling, was started in May 2008, and was the country’s first commercial one. It had four wind turbines, the output of each being 1.3 MW of green energy.</p>
<p>The fact that the tender succeeded in generating a lot of interest has met the expectations of the government of South Africa. Truly, the required amount of taxes in order to be able to participate in the bidding process has been duly paid by more than 270 potential bidder companies.</p>
<p>The “Integrated Resource Plan for 2010 to 2030” was approved last year of which this is the first tender. Adding 17,800 MW of installed electric power capacity from renewable-energy  plants by the year 2030 is the core objective of the plan. This will cover 42 % of the expected electric power needed at that time.</p>
<p>In the present day, coal, which provides more than 84% of the power demand and fulfils 72% of basic energy requirements, is the strongest support of South Africa’s energy network.</p>
<p>Submission of authorisation by the environment along with agreements of the shareholders is one of the requisites the bidders are required to fulfil. They would also be required to demonstrate how they have achieved the threshold of economic development.</p>
<p>The state electricity company excludes municipal connections was appointed as the main buyer for the power grid: Eskom</p>
<p>Kannan Lakmeeharam, Head of Delivery, Eskom, said that there are 321 potential bidders, mainly interested in grid connection for photovoltaic and wind energy.</p>
<p>Source:<a href=" http://www.evwind.es/noticias.php?id_not=14144"> EV-Wind</a></p>
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		<title>Changing Energy Trends Across The Globe: Overview Australia</title>
		<link>http://www.renewablepowernews.com/archives/2777</link>
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		<pubDate>Sat, 15 Oct 2011 23:54:45 +0000</pubDate>
		<dc:creator>Jimmy Eriksson</dc:creator>
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		<description><![CDATA[Recently, chief, Dan Hansen from Repower Australia, concluded that Australia will only be able to support a maximum of three or four turbine manufacturers in the years to come. Hansen spoke to Climate Spectator about the aggressive and cut throat competition in Australian market. A challenge which has evolved due to competitors bidding for contracts, [...]]]></description>
			<content:encoded><![CDATA[<p>Recently, chief, Dan Hansen from Repower Australia, concluded that Australia will only be able to support a maximum of three or four turbine manufacturers in the years to come. Hansen spoke to Climate Spectator about the aggressive and cut throat competition in Australian market. A challenge which has evolved due to competitors bidding for contracts, which are to be awarded within the coming few months after being set back for a good two years. Hansen’s statements follow Suzlon’s announcement of operating in Australia under its newly acquired German subsidiary’s name, Repower.</p>
<p>Hansen cited this as one of the reasons behind the Suzlon group targeting the market in contrast to operating as two different companies, in an interview with CS. In spite of reports of more than 15 wind turbine makers and more than 30 developers of wind farms actively functioning in Australia, Hansen believes that only the toughest ones would survive and do well. It will be hard for smaller wind turbine makers to survive in such a tough competition.</p>
<p>Even when considering a scenario where the existing trend of market of renewable-energy  certificates continues up to 2014/15, if the certificates are to be delivered by, then, it would be necessary for the projects to be commissioned within the coming six to twelve months. This leads Hansen to hope that regulation of the projects would begin. He says that currently power deals cost around 90 USD per MWh. If they are to give rise to comfortable ROIs, most of the projects need to be sold for more than 100 USD per MWh.</p>
<p><strong>Dip in revenue predicted by Solco<br />
</strong><br />
Solco, the solar company based in Washington, foresees a sudden dip in revenues for the financial year 2011. However, Solco sales figures bounced back up in September following a prominent fall in July and August 2011, and the company looks at it as a continual occurrence. But owing to the speedy expansion of its national division of solar products, Solco anticipates a fall in revenues to as low as USD 41 million in the year 2011/12, post a 56 percent jump hitting the mark of USD 53.7 Million in 2010/11.</p>
<p>David Richardson, the executive chairman of Solco, said that their heavy investment in inventory and risk management should make Solco well prepared to draw gains from the decline in market conditions and prepare to reap benefits in the future. The expansion of the business is expected to bring improved business scenarios. He stated that Solco’s record making profit figures in 2010/11 has stabilized the company’s financial standing which would take them safely across the deteriorating market phase. Solco says that it is acquiring several mid-sized projects across the country, including the Brookton Health and Aged Care Centre (Washington) power generation project of 30KW. It is a projected expected to begin at the end of October, thereby increasing their share of power generation projects in the market.</p>
<p><strong>Predictions for solar panels</strong></p>
<p>Solar Panel makers are mostly expected to be faced with huge heaps of excess material in the next year, as many analysts predict considerably lower sales in 2012 following a rise of 40 percent in this year. According to this week’s report of Bloomberg New Energy Finance, prominent dips in the major European market subsidies translate into lower buying capacity in next year as compared to the current year. In contrast to 24.5 GW in 2011, installations would be very low to the tune of 23.8 GW in 2012, thereby increasing pressure on companies burdened with dipping prices and piling stocks.</p>
<p> Bloomberg New Energy Finance analyst Martin Simonek said that greater demand in 2011 as compared to last year has sustained many nations. It would be a different scenario in 2012. However, then again, different people predict differently. According to Simonek, 2011 installations could rise as high as 29.4 GW, whereas, 2012 could see installations from as low as the basic 23.8 GW to the towering 31.8 GW mark. </p>
<p>Goldman Sachs predicts a dip by 10 percent in 2012, bringing annual additional installed capacity down to 20.8 GW as compared to 19.6 GW predicted this year. While Vishal Shah, an analyst from Deutsche Bank predicts 21GW in 2011 and 25GW in 2012, silicon manufacturer Wacker Chemie foresees between 22GW to 26GW in 2011. Solar panel maker Yingli Green estimates it to be between 18 to 19 GW in 2011. Simonek of Bloomberg forecasts an increased demand in 2013, when developing and promising nations see a healthy competition in solar energy by way of introduction of low priced panels.</p>
<p><strong>Hope In The Desert</strong></p>
<p>The project manager of Desertec, a highly anticipated and venturesome project that endeavours to aid the power industry in Europe with solar power deduced from the Sahara desert is expected to kick off its first ever power plant, worth USD 800 million, in Morocco. Bloomberg reported that many others along with Munich Re, Deutsche bank and Siemens are supporting this project. In the coming months, Desertec will launch the first solar thermal 150 MW plant, the first one in the entire network worth USD 400 million. This would also mark the launch of solar PV, and wind provisions, spanning from Egypt to Morocco. </p>
<p>The CEO of the project management company Dii, Paul van Son said in a Bloomberg interview that he is very certain that firm and permanent measures would be adopted in 2012. Owing to its stability, government support for expansion of renewable energy and connectivity to Europe through two cables running in the sea all throughout the Strait of Gibraltar, with free power of as much as 1000MW, Morocco would be tested for the first development.</p>
<p>Given this, Bloomberg reported that just as Morocco has bidders bidding for a Ouarzazate based power plant, with a 2020 target of 2000MW of power, many other nations in North Africa are far ahead of Desertec in executing projects of their own. There are some plants located in Egypt while others are being planned somewhere. Logan Goldie-Scot, a Bloomberg New Energy Finance analyst, said that Desertec is would remain just a good plan and public statements issued at intervals until such time as it lays its foundation in the soil, issues information regarding its financial sources and reveals its stakeholders.</p>
<p><strong>Finalizing a deal</strong><br />
Earth Heat Resources has stated that it has sealed a start-off agreement with Argentina’s leading cement, concrete and lime maker, Loma Negra, for an off take in the power purchase. Earth Heat Resources regional geothermal project of 10MW capacity would be covered by the PPA proposed. Torey Marshall, MD, considers this to be a vital agreement and a solution to meet the increasing energy demand. In the future, Earth Heat Resources hopes to widen its alliance with Loma Negra and also invite other strong players to join hands with them and partake n its various projects.</p>
<p>Source: <a href="http://www.climatespectator.com.au/commentary/green-deals-repower-tips-wind-shakeout">Climate Spectato</a>r</p>
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		<title>Summit to Boost Solar Energy Industry: South African Solar Power</title>
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		<pubDate>Sat, 24 Sep 2011 13:45:42 +0000</pubDate>
		<dc:creator>Jimmy Eriksson</dc:creator>
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		<description><![CDATA[In 2012, there will be a summit held to discuss how the IPP market. South Africa can set up with a flourishing and beneficial solar power business. The summit will feature different groups of individuals, such as government officials, investors, CSP developers, and EPC technology providers. In addition to these key individuals, the organizers of [...]]]></description>
			<content:encoded><![CDATA[<p>In 2012, there will be a summit held to discuss how the IPP market. South Africa can set up with a flourishing and beneficial solar power business.</p>
<p>The summit will feature different groups of individuals, such as government officials, investors, CSP developers, and EPC technology providers. In addition to these key individuals, the organizers of the summit have ensured the best speakers will be in attendance to impart, analyze, argue, and supply key issues of the industry. As well, attendants will be provided with the material and opportunities needed to have a hearty growth strategy for their CSP South African business.</p>
<p>Amidst the partners of the summit, two large key players were included; but are not limited to SASTELA (South African Solar Thermal and Electricity Association) and SESSA (Sustainable Energy Society South Africa). </p>
<p>At the present time, the summit has more than 25 speakers ready to address the attendants. A few of these key speakers are ESKOM, IDC< Group 5, SolAfrica, and Abengoa, to name only a handful.</p>
<p>Concentrate Solar Power (CSP) is at an all-time high in popularity. The following is some of the issues that will be dealt with at the South African summit:</p>
<p>1.	Attendants will learn how to support their CSP equipment with that of South Africa’s. This will allow individuals to gain more RFPs for their own project. As well, there will be a seminar on CSP technology. This will help attendants to achieve the best results for their missions.</p>
<p>2.	The summit will present success stories that will allow any individuals in attendance to take this information and apply it to their own projects. This will consequently, lead to long term IPP success.</p>
<p>3.	The South African CSP summit will teach individuals some international courses. A final benefit of attending the summit is funding. Those in attendance will be able to battle each other for funding by the CSP project.</p>
<p>Source: C<a href="www.csptoday.com/southafrica">SP Today</a> and<a href="http://www.evwind.es/noticias.php?id_not=13552"> EV-Wind</a></p>
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