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on December 6th, 2011% ![]()
SHEFFIELD, England, November 30, 2011 /PRNewswire/ –
Yesterday (29th November) the UK´s Largest Free solar panel installer a Shade Greener ltd [ashadegreener.co.uk ] Group of Companies has just celebrated it´s 10,000th install which accounts for approximately 10% of all installations completed in the UK.
To ensure a Shade Greener [ashadegreener.co.uk ] meets it´s stretching targets a southern office has been opened in Paulton, South of Bristol to widen it´s reach and to deal with increased demand from people wanting free systems.
a Shade Greener has reassured people looking to do their bit for the environment whilst still saving money that “free solar is still free [ashadegreener.co.uk/myths ]”
the cut in the FIT tariff spurned a flurry of concerned enquiries from homeowners wanting free solar who were worried that our offer would no longer be available.
Stewart Davies, Managing Director has assured anyone who is concerned that they may have missed out on getting a Free solar PV system:
“We still have thousands of Free systems to install on suitable homes, free solar is still free.” It could not be easier to receive a Free Solar PV system – just simply visit ashadegreener.co.uk and apply by sticking the pin into your roof alternatively call 0845 519 1597.
some concerns [ashadegreener.co.uk/faqs ] received by a Shade Greener´s Yorkshire office included:
1. will customers now have to make payments towards a solar PV system?
“Our systems have always been free and will remain so; we do not charge anything to our customers. there are no hidden costs or charges and we do not plan to ask our potential customers to “chip in” towards the cost of installing a system.”
2. are cheaper panels going to be used and will panels be rationed to each home to cut costs?
“It would not be in our interest to use sub-standard components, our systems have to last for at least 25 years and be as productive as technologically possible. We do not plan on installing cut down versions of our systems.”
Information about our free solar offer and to find out how to apply, details can be found on our website ashadegreener.co.uk
A Shade Greener
on December 5th, 2011% ![]()
Building solar panels yourself is a great choice for everyone to go off the grid to save on electric bills and reduce environmental pollution from power plants. while it is optional, whether to buy a ready-made home solar system or build it all yourself, people should know the great benefits this kind of energy offers. Today I’m going to reveal the 3 most important reasons, why you should build photovoltaic panels yourself.
1. Remarkable cost savings with DIY vs. buying a retail solar system
This is so true, as many get discouraged to install home solar panels, when they discover the high costs one needs to make to have a ready-made solar system on the roof. DIY home PV panels are not free, but when comparing the two, the winner certainly is DIY.
In my opinion, people are afraid, that building solar panels on your own is either hard or non-quality. But this is far from the truth. see, retail solar systems are so expensive, because there are a number of costly processes involved to meet the end result – a ready solar system. DIY home PV panels are different, because you don’t have to pay anyone for the production costs. Even more, the installation is also free of charge.
2. decided solar panels are not for you? great you didn’t pay the retail price
So you have installed your brand new solar energy system and even started to produce some electricity through it, but for some reason you have changed your mind about solar power and don’t want solar electricity to power your home.
Well, as nobody can forbid you to change your decision, at least you know the high retail price wasn’t paid. therefore, the money loss also hasn’t been so high. if you had paid the full retail price for a home solar system, the consequences of such decision would be much worse. really, that’s the freedom of DIY home solar energy, if you think about it.
3. Prepare for some fun!
Many people miss out, when it comes to DIY vs. buying solar panels. of course, not everyone has the time or wants to make the effort (which both are very little) to build solar panels on their own. But think for a second, how interesting would it be, if I could finally try out something new? if solar really is the future, why shouldn’t I try my hand at this fascinating solar cell technology?
It surely is complimentary, when your wife and children find out you have decided to contribute to a nature more friendly home. In fact, why shouldn’t I involve all my family into building home PV panels? This is definitely a good idea to get things done faster.
Another considerable point is that your neighbors can get really jealous of your new solar panel system. Inspiring neighbors or friends to build a photovoltaic system themselves is all the better.
That’s why it is always important to check out other possibilities to acquire something valuable, which in this case is making solar panels yourself.
To learn more, don’t forget to check out Ray Wilson’s diy-home-solar-panels.blogspot.com blog for tips and useful information on DIY home solar panels. the Earth needs to be saved from all the fossil fuel pollution today.
on December 5th, 2011% ![]() 5:34, Thursday 1 December 2011
LONDON, Dec 1 (Reuters) – British support services andconstruction group Carillion (Dusseldorf: 6CJ.DU – news) has warned 4,500 staff inBritain that they could lose their jobs due to the government’sdecision to halve state subsidies for solar panel schemes, theFinancial Times reported on Thursday.
“We expect the government’s plans for much larger andearlier than expected cuts to feed-in tariffs (Fits) to reducethe size of the solar PV market significantly,” the company wasquoted as saying. Carillion employs 50,000 people around theglobe.
Britain plans to halve state subsidies for solar panelschemes of up to 50 kilowatts (kW) and to impose minimum energyefficiency standards on buildings applying for solarPhotovoltaic (Other OTC: PVSO.PK – news) (PV) feed-in tariffs.
“In order to react to the effects of this on our business,we have launched a statutory 90-day consultation process withour people on how we can reshape our business,” the company saidin a statement, according to the article.
Carillion’s energy services division has contracts tomaintain solar panels on the roofs of more than 30,000 dwellingsin Britain.
Carillion officials were not available for immediatecomment. (Reporting by Michelle Martin)
on December 4th, 2011% ![]()
Name plate power output details
The capacity of a Solar PV Panel is as what is given in its name plate. the output will invariably be given in DC power output in watts. the watt output of an array of PV panels has to be converted to a practical unit which is kw (DC) and for this purpose the total watts (DC) of the PV module array is added up and divided by 1000.
Sadly this out put too does not give an indication of the ultimate power available to you for useful work due to several factors which derate the output.
Affect of location of the building and the name plate capacity
The name plate detail of generated DC power is measured at Standard Test Conditions (STC). now this does not tally most of the time with the highly variable conditions of a particular locality of an average building.
The STC is laid down simply to arrange a common platform for the sake of convenient comparison. Strangely two different STCs can exist depending on the country and authority responsible. a widely used STC is the standards laid down by the NRFL laboratory of the US Department of Energy.
This standard specifies:
- A Solar Irradiance of 1000 watts/m2
- A module (panel) temperature of 25 0 C
- A default PV Panel surface area of 35 m 2
- A default DC Power output of 4 kw
Local Factors causing derating
The numerous component derate factors are as follows.
- PV module nameplate DC rating – the name plate details do not coincide with field measured readings due to degradation and other reasons.
- Combined Inverter and transformer efficiency – the conversion of DC to AC is a combined action of the inverter (which is a solid state device) and the transformer and naturally there are significant power losses during the path from the PV Modules to the building distribution board.
- Mismatch – the manufacturers of the PV modules indicate in their catalogues a performance tolerance. the performances of each module vary within the limits of tolerance and when interconnected may not produce the total name plate output.
- Diodes and connections – the diodes ensure the flow of current is unidirectional in the PV panels. Also the multitude of electrical connections imposes resistance causing energy losses. both these contribute to derating of a system.
- DC wiring – These account for the resistive losses in DC wiring between the PV panel installation and the inverter.
- AC wiring-The derating occur due to losses taking place in the AC wiring between the inverter and the grid connection.
- Soiling – Dirt such as dust, snow, bird droppings, etc settling on the PV modules derate the performance of the installation.
- System availability -The down time of the PV array and that of the utility authorities due to maintenance etc. affect the output of the system.
- Shading – the PV array performance is easily affected by surrounding buildings, vegetation etc.
- Sun-tracking -When a tracking mechanism (generally not used in small capacity installations due to cost) is employed, the precise orientation of the Solar Modules is important to maintain the optimum efficiency.
- Age – over the years the efficiency of a PV array is affected and in about 10 years of operation a derating of about 10% may occur.
on December 2nd, 2011% ![]()
The benefits and functionality of solar energy is simply something that eludes most recreational vehicle drivers. There’s plenty of people that believe things without researching them at all, and they spread that belief, such as saying that RV solar panels simply aren’t practical enough, or that they’re too expensive, or too complex and wouldn’t work for them. Little do these people know, is just how useful photovoltaic solar technology really is, and just how much money it can save them in the long run, and how much more convenience it could supply them with.
For those that think RV solar panels are too complex, the process of converting solar energy into useable electricity is actually fairly simple. It’s known as the photovoltaic process, and how it works is the light from the sun hits the solar cells, which are often made of a silicone material, then the electrons on the semiconductor are go through a process which creates an electrical reaction in the form of a direct current charge, or a DC charge. this direct current charge can either be used immediately for energy consumption, or can be stored inside of the batteries that often come included with your RV photovoltaic panel kit.
An RV solar panel kit often comes with.
- a RV Photovoltaic Panel
- a Battery For Energy Storage
- a Charge Controller
- An Inverter
Do note that you’re not technically limited to a single kit when it comes to RV photovoltaic panels, as your photovoltaic panels can be wired together to increase the maximum solar energy that can be gathered, and to generate and convert even more solar power for a higher output. one thing to consider when making a purchase of any type of RV solar panels, is the semiconductor material. Silicone is by far the most common semiconductor material, but a material like crystalline is more efficient than silicone, and tends to have a longer lifespan than most other semiconductor materials.
If you do decide to wire several RV solar panels together, then you should consider what would be the most beneficial to you and your recreational vehicle. For example, if you were to two 12 volt photovoltaic panels that produce 5 amps of energy in a series connection, you would then have a total of 24 volts and 5 amps. however, if you were to wire the same two RV photovoltaic panels together in a parallel connection, you would then wind up with a total of 12 volts and 10 amps.
Do your homework, and find out not only what RV solar panels would be best suited for your needs, but the best ways to install and wire them as well. Don’t shirk on your research, because when you’ve gone through the effort to ensure you made the best purchase for you, it will pay you back in spades.
on December 1st, 2011% I found myself stumbling across a lot of discussion about solar energy the past few days. there is both good news and bad news. San Francisco where I live is host to the U.S. Solar Market Insight conference which is officially sold out so conference organizer GTM Research has teased those of us not attending with online conference highlights. GTM is doing the event in collaboration with the solar industry trade group, the Solar Energy Industries Association® (SEIA®). SEIA is crowing because it expects the US to install about 2,000 MW of new solar capacity in 2011 passing the 1GW annual capacity addition bragging rights mark after a much more modest 887MW installed in 2010 and only 435Mw in 2009. So you see the good news about the continued growth of solar energy.
On the other hand Germany announced reductions in its feed-in-tariff subsidies of 15% for next year bringing total Fit reductions of 57% since 2004 as the market penetration increased and the price of solar PV panels has fallen more than 40% over the last year. Italy and Spain are also expected to reduce their feed-in-tariff subsidies since austerity demands of the PIIGS countries that pay the subsidies directly out of tax revenue can no longer afford it. Germany passes the FiT costs directly through to customers so the situation in Germany is slightly different but still unsustainable. The EU market is losing momentum and the American market is picking up driven by our renewable portfolio standards and the rush to get the US treasury tax grants and tax credits for fear they will not be renewed.
China’s market for solar energy and virtually any kind of energy capacity addition continued its relentless pace with expectations that China will install about the same solar capacity in 2011 as the US.
My friends in the solar energy business are worried and the things that keep them up at night go beyond the usual worry that Congress will not renew US tax grants and credits. they clearly expect loan guarantees to dry up after the Solyndra mess. they worry about bankability and the implications of the European sovereign debt crisis on credit and access to capital and the balance sheets. But some of their worst fears revolve around hitting a technology wall on efficiency and performance.
• It’s about Efficiency, Stupid. Solar energy’s real potential is not measured by its installed capacity but by the improvements in output efficiency. The best selling PV panels range from 16% to 20% efficiency on average. But the newest H-class natural gas-fired power plants boast efficiencies of 60%+. The bottom line is solar must find ways to boost efficiency to be cost competitive without subsidies. UPDATED 11/19/11. My original post was confusing efficiency and capacity so thanks to those who pointed out my mistake. The best way to compare efficiency is on a $/watt or $/kW basis. I still believe solar efficiency must improve substantially if it is going to live up to its potential to be transformational. Today falling commodity prices for PV panels is growing market share but we’re going to end up with a lot of the least efficient PV panels instead of focusing on driving up the efficiency while driving down the cost of the best technology to position solar for the future.• LCOE is the Bottom Line! A continuing problem for solar energy even with falling prices of solar PV panels is the balance of system costs that often make up as much as 50% of the total cost of a solar system. The US DOE Sunshot program is investing $145 million in technology and systems improvements in an effort to bring the cost of solar down to $1 per watt or less. But the industry itself must do more to make this happen or face being priced out of the market when a level playing field without subsidies forces all energy options to compete on a levelized cost of electricity (LCOE) basis.• Scale is required for Sustainability. The reality of competing in a global market for PV panels and wind turbines as with other ‘commodities’ is scale matters. We are seeing a quickening consolidation in the renewable energy business with bigger, stronger players with deeper pockets acquiring good projects or good technology. This is good for the solar and wind industry but it is not sufficient to make a scalable market. at the same time the industry consolidates with fewer bigger players they need access to bigger markets and the ability to move the clean energy produced to load centers. that will take building more transmission, adding power electronics and distribution automation to make the grids smart and enable the customer aggregation necessary to make demand response and delivered energy efficiency markets sustainable.• Low Gas Prices! Low natural gas prices are not only savaging coal fired generation and eating the economic lunch of nuclear power, but they also are an existential threat to wind and solar energy. If the states decide that it is time to declare victory when they achieve their existing renewable portfolio standards instead of following California’s 33% lead then the time for level playing field competition on grid parity prices will bring the day of reckoning for renewable energy closer.
And then there is this. The graphic at the beginning of this story shows the installed capacity through 2010. Solar is too small to even register on this graphic and despite wind energy growth and maturity its market share is just a small slice compared to the huge peak of natural gas fired power generation built and mostly operating out there probably underutilized waiting for demand to recover along with our stalled economy. it does not take a rocket scientist to realize that we have largely build the next generation of power plants—-and most of what we built runs on natural gas— cleaner than coal, low-priced, easily available domestic natural gas from unconventional sources .
If you are in the renewable energy industry and you think subsidies are at risk you’d worry too!
Gary Hunt is President, Scalable Growth Strategy Advisors, an independent energy technology and information services adviser and a partner in Tech & Creative Labs, a disruptive innovation software collaborative of high tech companies focused on the energy vertical. he served as VP-Global Analytics & Data at IHS/CERA; global Division President at Ventyx, now an ABB company; and Assistant City Manager-Austin Texas responsible for Austin Energy and Austin Water.
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on December 1st, 2011% ![]()
Hyundai Heavy Industries has suspended production at its 50MW solar cell and module plant in Eumseong, South Korea.
Manufacturing at the site, which was built in 2007 and is the smallest of three Hyundai solar facilities in Eumseong, was actually halted back in June, although the decision was only made public today. the move is a response to the solar industry’s slowdown over the past 12 months – a by-product of feed-in tariff uncertainty and wider economic difficulties in Europe and the US.
however, Hyundai are eager to outline that the hiatus in production is merely temporary and does not signal the start of a more permanent scaling back of its solar operations. “amid the declining solar industry worldwide, we suspended the operation of the no.1 plant in June, and workers who had belonged to the facility have moved to the other two plants nearby,” said a Hyundai spokesman. “once the situation improves, we’ll restart the operation of the plant.
“in the first half of the year, the operational rate of the three plants remained at 70% or more, but the rate has reduced to 50% these days. As the solar energy industry declines, our original plan to expand the solar business has to be modified in a flexible manner for the time being.”
this decline is likely to scupper the original growth plan for Hyundai’s solar and renewable energy divisions; it planned to ramp up combined capacity at its three PV facilities to 1GW – current capacity is 600MW – and to generate sales worth US$1.8 billion from the alternative energy sector by 2012.
on November 30th, 2011% ![]()
NEW YORK, November 29, 2011 /PRNewswire/ –
new Report Added in ResearchMoz Reports Database Cloud Virtualization Software Market Shares, Strategies, and Forecasts, Worldwide, 2011 to 2017 [researchmoz.com/cloud-virtualization-software-market-shares-strategies-and-forecasts-worldwide-2011-to-2017-report.html ] Published by Winter Green Research [researchmoz.com/publisher/winter-green-research-5.html ].
WinterGreen Research announces that it has a new study on Cloud Virtualization Software Market [researchmoz.com/cloud-virtualization-software-market-shares-strategies-and-forecasts-worldwide-2011-to-2017-report.html ] Strategies, Market Shares, and Market Forecasts, 2011-2017. EMC/ VMware, IBM, Microsoft, Oracle, Citrix, and dominate the markets for cloud architecture. IBM SOA services oriented architecture is the base for enterprise cloud virtualization initiatives leveraging middleware to implement the cloud.
Browse the full Report: researchmoz.com/cloud-virtualization-software-market-shares-strategies-and-forecasts-worldwide-2011-to-2017-report.html
the 2011 study has 971 pages and 255 tables and figures. Worldwide markets are poised to achieve significant growth as globally integrated enterprises worldwide move to implement more cost efficient IT systems. Transaction process and Internet workload computer processing delivery modalities depend on the efficiencies of scale achievable using cloud computing.
Virtualization is the fundamental aspect of cloud computing. Virtualization permits enterprises to achieve modernization of IT by consolidating workloads onto fewer platforms and to optimize the management of those workloads with automated process. the aim of computer virtualization is to increase the utilization of systems in the data center and at the line of business.
most workloads being virtualized are the Microsoft applications used in the data center. Scale out Web applications, with each application located on a separate server are being consolidated at a rapid pace. each application is being packaged as an image that runs on a larger server, with 10 to 15 images per server being achieved for consolidation in the distributed platform environments, and 100 to 500 images per IFL being achieved on the mainframe Linux class servers.
Cloud computing has three virtualization aspects: Software as a Service (SaaS), Platform as a Service (PaaS) and Infrastructure as a Service (IaaS). Business software as a service SaaS applications and cloud computing models have matured and adoption has become an issue for every IT department. These models are offered as solutions targeted top different types of application delivery. These solutions all adapt to virtualized environments.
Microsoft solutions are being virtualized to increase the utilization and density of server processing. VMware a virtualization solution commonly used. It facilitates the creation of virtual machines on the Windows XP, Windows Vista and Windows Server 2003 operating systems, creating multiple images of single servers on a larger server. Server virtualization creates economies for running the data center.
Virtual machines are created and managed through a VMware or tother web-based interface. A utility is used to mount multiple server images on a single more powerful server, consolidating workloads and saving hardware costs. Running Linux in Virtual Machines IBM z/VM offers the ability to run Linux in virtual machines on IBM system z. IT needs to run Linux in virtual machines for enterprise computing. Linux in virtual images is evolving rapidly. Data centers have to meet ever increasing demands with flat budgets. IBM system z delivers a unique hybrid computing model.
IBM zEnterprise 196 allows data centers to optimize workload deployment on best fit technologies with a common management infrastructure. It works for both mainframe and distributed system resources. zLinux is positioned to drive down overall costs. This model integrates data serving and analytics for actionable insight. IBM zEnterprise 196 is positioned for use by the line of business. It enables fast and flexible delivery of new services to drive innovation. z/VM works with open source operating systems, Linux, on the mainframe. Within the z/VM environment, Linux images benefit from the ability to share hardware and software resources and use internal high-speed communications.
According to Susan Eustis, “Customers consolidating on system z virtualized systems are benefiting from the reliability, availability and serviceability of IBM system z servers. z/VM offers platforms for consolidating select UNIX(TM), Windows(TM), and Linux workloads on a single physical server.”
Virtualization software for a cloud service market forecasts indicate that markets at $5.8 billion in 2010 are anticipated to reach $16 billion by 2017.
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on November 26th, 2011% ![]()
Developments in technology have recently made it possible to generate renewable energy from such never-ending waste sources. Recently wind turbine technology has been utilized in windy flat-land areas to generate renewable energy electricity.
Those people who generate renewable energy by installing solar and wind power find the worth of their home appreciates. another way to generate renewable energy is by using photo voltaic power.
The most widespread natural energy sources are solar power, tidal energy and also wind energy. normally, wind powered generators are more affordable than solar energy installations for any given quantity of energy. when CVPS first began looking at choices for entirely renewable energy products, Cow Power outshone wind-based or solar energy. People who generate renewable energy by installing solar and wind power find the value of their house appreciates.
Both solar and wind power are excellent choices. Wind and solar power are the two most popular forms of electric alternative energy being used nowadays. with a solar energy electric generator homeowners can substantially decrease their energy costs. Learning the best way to generate renewable energy solar energy isn’t really a hard task. however, people need to be informed regarding solar power and the proper way to utilize it to generate renewable energy.
Net metering is essential for the growth and development of distributed solar power. Net metering makes the installation of solar energy more appealing and affordable for homeowners. Applicable for just about all windows in offices, homes and also industrial facilities, they provide very convenient solar power. these lights gather solar power throughout the day and then supply soft light during the night.
Presently solar power is getting quite advanced and makes use of photovoltaic cells made from silicon. It’s possible to make a photovoltaic solar energy system by yourself and save a lot of money on utility bills. if you would like reduce your electricity bills, using solar panels is the way to go. Photovoltaic solar panels are heavy duty solar panels you can use for your house.
To be able to choose the best solar panel for your home you have to familiarize yourself with all of the different solar power panels on the market. Solar power panels or cells function by converting the photons in solar radiation into electricity. in comparison to amorphous silicon solar cells, polycrystalline panels are a lot more efficient and also more compact. these panels need direct sunlight and are much bigger than normal solar panels. the solar PV is the conversion of sunlight straight into electricity using semiconductor panels.
Many solar panels are necessary to generate a substantial amount of electricity. Solar panels are placed along the entire height of the tower to be able to produce solar power. this energy can be produced by just about anybody with just a couple of basic components.
Power from wind is a renewable power that can be generated endlessly. Wind is among the cheapest and most efficient of the renewable energy sources available. Some natural energy sources include wind energy, solar energy as well as tidal energy. there are various energy sources available to make your house more environmentally friendly, pick one that seems the more workable to you.
After thinking to myself that I should try to generate renewable energy for myself, the hope of this article is to present you some concepts as to what options are available to you.
on November 26th, 2011% ![]()
IV Curve Tracer Software Measurement Software rera.nl IV-curve measurements of solar cellsWww.aucotec.com Engineering Base next generation of Electrical CAD. Get your free trial!PV panel price index solarserver.com PV solar PV module prices monthly price of spot marketPhotovoltaic solar panels are used to generate electricity in a manner that supports the environment and reduces the cost of your electricity bill. Solar photovoltaic (PV) use the energy of the sun with the use of photovoltaic cells. To operate this type of cell has no direct sunlight, in fact, they can still produce electricity even on cloudy days. These cells convert sunlight into electricity which is then used for lighting and power various devices used at home.
Photovoltaic cells are made from layers of materials, semiconductors, like silicon. When light strikes the PV modules, the cell is the formation of electric fields can, at all levels. When the sun is shining brightly, more electricity is produced. Cloudy during the day so you can assume that the small amount of electricity generated. If these cells are mounted in a total installed photovoltaic modules you can on the roof. The following services are photovoltaic modules, a popular energy source.
• a very important advantage you can get from you is that the solar panels will reduce your electric bill. The sunlight is readily available and costs nothing. You need to pay only for the initial installation, and then you can benefit from reduced electricity costs.
• they generate power, so that you get paid. It’s pretty cool? The Government supports the feed-in tariff system in which users of renewable energy each time they generate electricity from energy sources such as solar cells to be paid, even if they have electricity they consume produces.• You can also protect the environment, if you use renewable energy sources. Generates electricity from sunlight supports the green movement, it is renewable and it does not emit carbon dioxide and other pollutants.
Today, more gadgets and devices have been introduced to the market and what can be added to the electricity bill, some of the gadgets need power, especially if the game mode. You can save a lot if you have solar panels installed in your home.Although it can be expensive to get installed, the long-term benefits are worth it you can save on your electricity bill.
The maintenance of photovoltaic solar energy does not require much of it. You just have to clean the panels periodically and ensure that nothing gets in the way the sunlight hitting the panel. Remove trees that may hide the signs.
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