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on December 2nd, 2011% ![]()
With the sudden increase in electrical expenses these days, more and more people are now considering some effective measures to cut on the amount of money that is being shelled out every month. one of the great ideas that have been founded is the use of solar energy in homes. most people are currently looking out for some cheap cells for sale to be able to generate this kind of electricity.
In solar energy, the electricity is produced by the light that comes directly from the sun. The solar radiation is gathered by the rectangular device called the solar panel. It has several solar cells embedded on it. these cells are the ones that are responsible for transforming the light energy into consumable electricity.
The idea of using solar energy has been around for some time now. It is only considered for general household use when crises started to hit the global economy. Note that there are more manufacturers of solar units today than before. Such renewable energy source eventually created a huge impact on the market.
The prices of solar cells for sale may vary according to their cost-per-watt. This simply refers to the amount of power being generated from the solar cells. most of the time, it is the make that dictates the price. Cheap but effective materials are now being utilized in China, so definitely the solar panels are very much affordable in that region.
However, there are still some solar units that are being sold online at reasonable prices. you just have to assess the amount of electricity that you will need for running your household before you decide on the quantity of solar cells that you should buy.
on December 1st, 2011% ![]()
SAN FRANCISCO—a $1 billion solar energy project that lost a federal loan in the wake of the Solyndra bankruptcy and related investigations is back on track to nearly double the number of panels on residential rooftops in the U.S.
San Mateo, Calif.-based SolarCity said Wednesday that it had reached a deal with Bank of America Corp.’s Merrill Lynch unit for financing the five-year project called SolarStrong. The venture would put shimmering solar panels on 120,000 military houses in dozens of states.
SolarCity said the solar installations will provide power to military families at a lower cost than utility power.
In late September, SolarCity said the military project’s loan guarantee from the U.S. Department of Energy was scuttled due to new, more rigid requirements spurred by the collapse of Fremont, Calif.-based Solyndra Inc., which filed for bankruptcy despite a $528 million DOE loan.
Just weeks before, U.S. Energy Secretary Steven Chu had hailed SolarStrong as the “largest domestic residential rooftop solar project in history” while announcing DOE’s intent to provide a partial guarantee for the company’s $344 million loan.
But SolarCity was unable to finalize the loan by the DOE’s Sept. 30 deadline, blaming the increased red tape caused by Solyndra’s collapse.
Yet, SolarCity CEO Lyndon Rive said the loan guarantee process is a chief reason why the new funding happened at all. He said the careful vetting required by the DOE’s loan program helped give the bank confidence in the project.
“BofA Merrill never wavered when the loan guarantee wasn’t finalized and worked with us to create a financing structure that works without it,” Rive said in a statement. “The fact that SolarStrong can move forward without a federal loan guarantee is a clear indication that long-term incentives such as the investment tax credit are working.”
The company said the significant drop in the price of solar panels over the past year because of less expensive panels being manufactured in China also made financing the project easier.
The new project is scaled down from its previous incarnation. SolarCity previously said it would put panels on 160,000 homes in 33 states.
The smaller project reflects one effect of losing the loan guarantee: Banks and private investors are willing to pony up more cash if their investment is insured by taxpayer dollars.
Still, Jonathan Plowe, head of new energy and infrastructure solutions at BofA Merrill Lynch, said the bank believes the residential solar market in the U.S. is a strong investment with or without the loan guarantee. He said the SolarStrong deal is part of a $20 billion effort by the bank to invest in renewable energy, conservation and other areas related to the environment.
“We saw huge growth potential in this area. any building you see that has no solar is a good platform for solar,” Plowe told The Associated Press.
And the U.S. Department of Defense is a huge new customer. The Defense Department is the largest single consumer of electricity in the nation, so this project will help achieve its goals of deriving 25 percent of its energy from renewable sources by 2025.
SolarCity, the leading installer and operator of panels on U.S. residences, will own and operate the panels, working with the private companies that manage military housing on each base to install them.
It has already started installing panels on homes at Joint Base Pearl Harbor-Hickam in Hawaii, Rive said. Rive said the company will also launch a “grassroots” effort at each base to hire veterans and military family members to install the panels.
The deal was applauded by the solar industry as an indication that large banks are confident in the future of solar technology, even without federal loan guarantees.
“I think it really shows the acceptance and understanding of solar technology to the big banks, and that really didn’t exist six months ago,” said Rhone Resch, president of Solar Energy Industries Association, the Washington-based lobbying group for the solar industry.
“I think banks like BofA and others are now comfortable with the performance and the business model and the returns they are seeing with these solar projects.”
Associated Press writer Matthew Daly in Washington contributed to this report.
© Copyright 2011 Associated Press. all rights reserved. This material may not be published, broadcast, rewritten, or redistributed.
on December 1st, 2011% ![]() Nov 30, 2011 Q-cells says this sets a world-record for the entire thin-film sector catching up with crystalline technology.
Solibro GmbH, a subsidiary of Q-Cells SE, says it has marked a ground-breaking world record with its thin-film CIGS technology.
The firm says its thin-film Q.SMART module technology is now the first in the entire thin-film sector to achieve a solar module efficiency of 17.4% (aperture area). The new record has been confirmed by the independent Fraunhofer ISE Institute, located in Freiburg, Germany.
The record test module, with size 16 cm2, was fabricated using processes fully scalable to cost-effective mass production. The co-evaporation CIGS process uses metal flux profiles, temperature profiles as well as process time similar to Solibro’s current production.
“We are very proud of this result as it demonstrates the leadership of the CIGS technology produced by Q-Cells’ subsidiary Solibro. The current record verifies the feasibility of the efficiency roadmap of the Q.SMART module targeting an average aperture efficiency out of series production of up to 16.7 % in 2016”, said Lars Stolt, CTO of Solibro.
Already in March 2011, a Q.SMART thin-film module, marked a world-record, with an independently confirmed efficiency rating of 14.7% which the firm says is still the world-record for monolithically integrated CIGS thin film modules in series production, today.
Q.SMART’s CIGS technology harnesses a “light-soaking” effect unique in the thin-film sector to generate an average of 2.5 percent power boost above nominal power at standard test conditions. Q.SMART is also claimed to outperform in diverse environmental conditions, including low-light periods of the day and high-heat climates. Ideal for residential, commercial and utility-scale settings, Q.SMART comes along with a positive sorting; i.e. customers always receive what they pay for – and more. In October 2011 Q-Cells realised a lighthouse project by delivering around 200.000 Q.SMART modules into the world’s largest CIGS solar power plant located in Ammerland, Germany.
The CIGS technology behind Q.SMART was developed in 1983 by the ?ngstr?m Solar Centre at Uppsala University, Sweden, commercialised by the spin-off company Solibro in 2006, and acquired by Q-Cells in 2009. Q.SMART is produced in Thalheim, Germany, at the company’s own factory with a total nominal production capacity of 135 MWp.
With this world-record Q-Cells has marked the fifth world record in 2011 underpinning the technological leadership of its products. Next to the two world-records in the CIGS sector, a polycrystalline solar module from Q-Cells’ in-house research centre achieved a module efficiency of 18.1% related to the aperture area in July 2011. Recording this efficiency, Q-Cells has beaten its own world record of 17.8%, set in spring 2011. In April 2011, a cell produced on the basis of the Q.ANTUM technology had already set a record for major polycrystalline solar cells, achieving an efficiency of 19.5%.
on November 29th, 2011% ![]()
Solar panels are getting to be famous alternatives for utilizing solar technology instead of nonrenewable sources of energy. it is often in demand ever since they became accessible to the general public and have drastically improved as better technology evolved. with the ongoing battle against climate change, they are ideal options in immensely lowering your monthly electricity consumption coming from fossil fuels that emit unwanted greenhouse gases. it really is cost effective, delivered in cheap packages and presented through monthly electricity savings. Solar panels for sale are easy to find and you can find the best ones according to the kind of material and budget you have.
Solar panels for sale can be found in your local hardware stores or any other shops that sell similar items. Ready-made panels can be bought easily or you can opt to build your own by getting the necessary components. you can even look for advertisements within your local newspapers to offer clues in finding stores that sell and to check out discounted prices. you can even grab magazines advocating alternative energy because these are the best places where manufacturers can get great exposures for those who are supporting the use of clean and green energy resources.
If you think that going on local stores can be a time consuming and tedious task, it is possible to go online and search for online stores. The easy access to the World Wide Web and the small amount of capital required to establish an online shop has paved the way for numerous sellers in offering many and solar panels aren’t an exception. you can easily make a price comparison, specifications, read customer feedbacks and reviews and get special promotions should you go through these online stores. you can also get hold of kits you could download from some online vendors with instructions on how to construct your own solar technology system and aiding you in calculating just how much electricity must be created by your solar panels. These are the best options you have.
Just thought you may well be interested in reading this guide: solar panels for sale and sharp solar panels.
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on November 24th, 2011% ![]()
TAYLORVILLE –City officials are looking to lower energy bills at Taylorville Municipal Airport by installing solar panels to power runway lights.
Officials are trying to secure funding to pay for 75 percent of the $104,000 project. they hope to buy and install a 19-kilowatt solar photovoltaic system at the airport, which is about two miles southwest of Taylorville.
That Illinois Clean Energy Community Foundation last week awarded Taylorville a $52,851 grant. Mayor Greg Brotherton said the city is still waiting to hear about another $30,000 grant.
the remaining $21,000 would have to come from taxpayers or a community fundraiser, Brotherton said.
If the city does not reach its 75 percent goal, Brotherton said, council members probably won’t move ahead with the project.
the Lake/Airport Committee is to meet Thursday to discuss the project, he said.
bill Newberry, airport superintendent, said the system would save the city $2,200 a year in electrical bills.
Brotherton, who is spearheading the project, said the solar-panel system would pay for itself in nine years.
the life expectancy of the solar-powered system is 25 years, he said, so that would mean 16 years of free electricity at the airport.
Jason Nevel can be reached at 788-1521.
on November 24th, 2011% ![]()
Liberty Union High School District expects six-digit savings with a solar energy project it will undertake next year.
District trustees last month signed off on a deal that should reduce the agency’s energy bill by $125,000 the first year alone.
The venture involves installing about 10,000 solar panels atop parking stall canopies that will be built at all three high schools as well as putting them on parts of the playing fields at the Freedom and Heritage campuses that aren’t being used.
Work is scheduled to start early next summer and be done by that fall.
A Sacramento-based company that specializes in renewable energy will install the panels and sell the electricity to the district for approximately 10 percent less than it would cost to buy it from Pacific Gas and Electric Co., said Project Development Director Wayne Reeves.
Over the course of the 25-year agreement, the district expects to save at least $13 million.
The solar power systems are designed to generate 80 percent of the schools’ annual electricity needs; without a way to store electricity, the district still will have to go to PG&E to buy what it needs to light up campuses at night, when the solar panels won’t be working.
In addition, another company will do about $1.6 million of retrofitting, replacing both indoor and outside lights at each high school with more energy-efficient fixtures. The work also will entail replacing the heating, ventilation and air conditioning as well as hot water heating systems at Liberty High School’s Stonebarger Gym.
“We’re not spending a dime on this project,” Reeves said, noting that federal tax breaks are providing an incentive for outside vendors to make the improvements.
Reach Rowena Coetsee at 925-779-7141.
on November 22nd, 2011% ![]() November 19th, 2011 by admin
When you’re thinking about ways to save money from electricity without actually cutting back on your consumption of electricity, you’ll have it all in the best manual of DIY solar panels. Simply getting this top rated instruction manual for building your own solar panels, you’ll have a lot of useful information that can help you save.
First off, you’ll have step by step instructions for constructing your solar panels. But you’ll also have details on where you can get cheap solar cells. As if you don’t have enough savings with building your own solar panels, you’ll also get instructions that are clearly documented complete with detailed pictures. the installation steps themselves are easy enough to understand.
All of these things you’ll get in one guide where you don’t have to pay more than $200. there are other things that you also get with your DIY solar panels manual, buy one today.
on November 19th, 2011% ![]()
As brilliantly detailed instructional manuals and complete solar panel kits becomes available in the market today, constructing of cheap solar panels is now possible. but if you want to turn construction of homemade solar energy panels into a profitable business, the challenge of making it much cheaper is very important.
Of all the material components required to construct a solar energy panel the most important are solar cells. but they are quite expensive. Nonetheless there is good news for you. Cheap solar cells are now available online at different auction and retail sites. It comes in used or slightly damage. although both used and damage solar cells would definitely work, choosing to buy the damage cells over used is a smart choice and would definitely save you much money.
The use of broken solar cells in making your solar energy panels would yield no difference in efficiency in generation of electricity. although solar panels made of broken cells may certainly not look as eye-catching as those made in used cells but will definitely generate the needed electricity to power up your home appliances or even the entire house. on the other hand it is highly recommended not to use broken cells on your first project. Because it much difficult to use broken cell. all that is needed is to study first and experienced how the system functions. Know how to link the solar panel in the local electric grid. using broken solar cells would not be that difficult anymore and saving money for more projects in the future would be very possible.
on November 17th, 2011% ![]()
To be able to decide which is a good solar power system, the most essential considerations is definitely the efficiency from the process. The bottom line is, the performance rating on the panel program approximates the percentage regarding sun rays which can hit a cell that would be transformed into source of electricity. or perhaps, an productivity rating could be used on the proportion from the sun’s strength that is usually transformed into useful warm, but a majority of the term “efficiency” is used to transformation to electrical energy. One of the main applying the efficiency score is good for area conditions. Naturally, the higher proficiency solar panels, for instance monocrystalline solar panels, will take up much less space or room.
There are lots of elements which may modify the effectiveness of solar top panels, for example the era of the solar panels, the heat range, power wiring resistance, the tilt slope of your solar panels, along with spectral distribution. The majority of of those are generally self apparent, on the other hand, spectral supply means the warping effect the atmosphere has on the sun’s rays. for exact specifications it has to be taken into consideration that “pure” sun rays doesn’t actually reach earth (in comparative terms). it is certainly first “filtered” by way of the ambiance to diverse degrees based upon just what solar power uses. Credit should be provided to these solar power panels that contain larger functionality due to this filter.
When you are assessing several solar panel efficiency rankings it will be really essential that you simply compare the same method of ranking. The two more popular score products are “STC” and “PTC”. “STC” stands for Standard Test Conditions which is the score progr am founded by solar suppliers. They measure solar panel efficiency under consistent sun rays, tilt sides of your solar panels, air mass as well as temperature conditions. Here, “air mass” really is the filtration effect of the atmosphere discussed previously. The technical features to the STC ra ting are 1,000 Watts per sq meter solar irradiance, 25 degrees C cell temperatures, air mass corresponding to 1.5, in addition to ASTM G173-03 standard spectrum. The precise ranking range symbolizes the standard volume of Kilowatts of productivity daily.
In contrast, the “PTC” rating means PVUSA Test Conditions. These resulted from the Photovoltaics for Utility Scale Applications project, which was begun in 1986 and it is a joint venture between Pacific Gas & Electric, the Department of Energy and other utilities across the USA. The technical features for the PTC rating are usually 1,000 Watts per sq meter solar irradiance, 20 degrees C air temperature, and also wind pace of just one meter per second at 10 meters above ground level. The PTC rating range also signifies the standard number of Kilowatts of output a day, as well as without going into a huge analysis, just know that it is generally believed that the PTC is a better and more accurate ranking system. that is because the PTC screening the weather is regarded as being much more indicative of “real world” solar in addition to climate conditions. Moreover, the PTC score likewise takes into account the inverter. Hence, the PTC range shall be fewer than the STC quantity. while PTC is best, make certain that no matter what volumes you have available to compare are based on the same status system.
Counter-intuitively, a rise in air environment basically decreases a solar panel’s overall performance. The reason behind this is certainly somewhat complex, however we start simply by remembering that when the temperature raises, the conductivity of the solar cell content likewise rises. The following, therefore, will result in the electrical charge within the solar panel product to smooth out. when the charge balances, which makes charge separation more difficult. And when charge separation is reached much harder, the current around the cell crashes. Voltage is similar to water pressure within a hose, in case that falls subsequently less water is released, or simply here, significantly less electrical power will be made.
Now, to always be reasonable it must be documented that an surge in temperature truly does result in a rise in the movement of electrons, which in turn causes the amperage (movement of current of electricity) to boost. that indicates far more electrical power, but this increase is a lot more than offset with the previously mentioned reduction in voltage. actually, it has been projected that solar cell efficiency falls by about 0.5% (in crystalline cells) per degree centigrade the temperature goes up above 25 C (77 degrees F.). And so, as you can tell people who reside in climates that normally obtain temperature above 25 C should know about this kind of impact.
The good thing is, we have seen lots of solar panel effectiveness improvements within the last several years, and more are most likely in the process. A short survey of a lot of them would need to include reference to so-called “concentrator systems”. These techniques enhance the light level with the use of concentrating optics. Higher intensity light in each volume of space enhances the efficiency from the cell, specifically when they are now-cost-effective GaAs cells.
An alternative enhancement in functionality has arrived by using multijunction cells. These consist of several levels of silicon, having every layer tuned to help you record different light wavelengths. getting power out of multiple light wavelengths boosts the creation of energy through every solar unit of sunshine from the sun. These are probably the most efficient solar panels offered. And while these are typically ultra powerful, they’re also too expensive, so before we view these on a mass degree deeper breakthroughs must be created to bring the amount down.
The newest and a lot of fascinating inventions has come in the form of just what are referred to as “microinverters”. In a normal solar power system, the particular inverter is what turns the DC power generated in the sun’s power into AC electricity in order to use within the home. until now, the techno logy has been to have one particular inverter for the entire system, and then have cords going through every single panel to the inverter for power change. With the microinverter, though, every panel possesses its own mini-inverter. this won’t just decrease the price tag on having to operate lots of cords into only one inverter, however it will in addition enhance the effectiveness. Since every cell could have its joined microinverter, the electrical power do not need to search into a single ordinary inverter. this boosts efficiency simply because the more electricity needs to travel the more electricity will be misplaced due to resistance.
With this method, instead of affixing solar panels to creating systems, the structures actually are partly made of the solar power resources themselves. on this technique, rather than linking solar panels to building structures, the buildings are in reality partly made of this solar power elements themselves. In the beginning, this would additionally seen on such things as skylights or perhaps facades, as well as certain kinds of roofs. it is simple to see the potential for massive cost savings inside the expense of the normal creating components no more required, combined with the additional energy generation of the solar panel systems, which will be able to include a much larger region and also produce much more electrical power.
on November 16th, 2011% ![]()
Certainly, solar technology could be the way of the future. Solar technology production is definitely a extremely simple process to learn . A solar, or photo voltaic, cell collects sunshine. A solar cell is known as a semiconductor device that could be constructed using photo voltaic materials. It contains no liquids or chemicals, and no moving parts. Solar cells convert sunlight into electricity.
A solar panel generally is made up of a number of individual cells, which have been supported by a module that enables cellular matrix for work in unison. The energy specifically captured through the panel is stored in a battery. Solar panels generate direct current (DC) energy. many solar panel technology systems have inverters in them which allow household power (DC) electricity to be changed into alternating current (AC). most consumer products for instance appliances and electronics work on AC current.
Unless you have a vast expanse of land to house several solar panels, it’s unlikely you happen to be competent to power your whole home with solar technology. however, it is possible to power a particular room at your residence which has a small array of panels fixed to the roof of your house. Multiply the wattage of each one individual electrical device by may be hours you expect to use them everyday. That combined number is going to be your benchmark, also know as the smallest amount any system must be able to generate. Choosing the right materials will make your solar panels cheap.
There are many of possibilities open to consumers that have decided you’re converting to solar energy. A basic system which they can use to power your working computer and a few other small items are available for approximately $1000.00. Naturally, the value will increase considering the production capacity of the system. in most regions, the price tag on an installed system will cost somewhere while in the area of $10.00-$12.00 per watt.
Solar energy is one kind of a couple of truly renewable resources which they can use in energy and power generation. Every hour of each and every day, the sun’s rays blankets our planet with enough energy to sustain our global energy needs for just a year. As the technology behind solar panel construction photovoltaic energy advances, consumers will be struggling to resist the need to convert.
Numerous resources are being placed in the development of solar energy technology. much of the major oil and energy companies have entire divisions committed to solar technology. Researchers and engineers are spending countless hours wanting to develop the technology today they’ll vastly improve conditions on the globe tomorrow. It is not any secret that people cannot continue down the trail were on. Energy sources are no longer a feasible option for energy production. Solar panels for home use are the near future in most homes. The future is now.
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