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Showing posts with label Solar power. Show all posts
Showing posts with label Solar power. Show all posts

Election 2012 Romney on Energy

 Election 2012: Romney on Energy
After last week's review of President Obama's energy record and campaign materials on energy, Governor Romney's energy plans present a sharp contrast. They are based on a fundamentally different view of energy and the economy, relying on markets to allocate capital to the most productive opportunities, rather than on government to guide a mix of public and private investments along specific paths towards designated ends. They also emphasize technologies that are already deployed at scale today, not those still under development or striving to attain scale. Implicitly, the Romney plan prioritizes supplying the energy for a robust economic recovery over programs designed to address long-term environmental challenges like climate change. These positions present voters with a serious and consequential choice on November 6th.
The Romney campaign's website on energy arrays the candidate's ideas mainly in words, rather than with the kind of images and interactive features that dominate the Obama campaign's sites. Energy is the first plank of Governor Romney's five-point "Plan for a Stronger Middle Class", though it requires a little work to explore the details of his energy program. A list of bullet points  is backed up by a lengthy policy paper with numerous references to external sources, but you have to look for it. 
The Romney energy plan focuses mainly on oil, gas, coal and nuclear energy, which together meet 91% of current US primary energy demand and which the Department of Energy projects will still provide nearly 90% in 2020 under the policies in place today. You won't find much on his campaign's website about the new renewables that generated electricity equivalent to 2% of our energy use last year, beyond a critique of the administration's investment in Solyndra and a commitment to R&D on new energy technologies.

Among the details of his plan are support for expanded offshore drilling, including areas such as offshore Virginia that were originally in the Obama administration's early-2010offshore development blueprint, along with a comprehensive assessment of US resources using current technology, rather than further extrapolations based on 1980s technology. Governor Romney proposes expanding energy cooperation with both Canada and Mexico and would approve the entire Keystone XL pipeline. His goal of attaining North American energy independence is aggressive, yet recent analysis by Citigroup puts it within the realm of possibility. It appears to be based on an assessmentby Wood Mackenzie, a top-notch energy consultancy, indicating that US oil and natural gas liquids output could expand by 7.6 million barrels per day, with 6.7 million of that coming from federal lands and waters currently off-limits to development. That compares to US net petroleum imports of 8.5 million barrels per day in 2011.

Another aspect of the plan aimed at streamlining the permitting of energy projects could be just as useful for utility-scale renewable energy projects as for oil and gas exploration and production. Regulatory and permitting delays are among the key reasons it takes longer and costs more to develop crucial energy and infrastructure projects here than in many of the countries against which our competitive standing has been slipping. Governor Romney also proposes giving states greater control of permitting on their non-park federal lands. That could substantially increase energy access and output, especially in the west, where the federal government owns over 280 hundred million acres, or 37% of those 11 states, net of tribal lands. 

There are also some missing elements. I would have liked to see more about how renewables fit into Governor Romney's vision. He apparently supports the Renewable Fuels Standard but is silent about the increasingly urgent need to reform it. He is on record against the extension of the wind Production Tax Credit (PTC), a 20-year old subsidy roughly equivalent to the current price of natural gas, yet misses the opportunity to explain how all types of energy would be treated under his proposal to reduce corporate income tax rates while broadening the tax base--policy-speak for closing loopholes and eliminating incentives. In last night's debate he said, referring to the $2.8 billion in annual tax incentives for oil and gas identified by the Department of Energy, "... if we get that tax rate from 35 percent down to 25 percent, why that $2.8 billion is on the table. Of course it's on the table. That's probably not going to survive (if) you get that rate down to 25 percent." I'd also like to hear more about how Governor Romney would address greenhouse gas emissions once the economy returns to stronger growth. 

Superficially, much of the Romney energy agenda evokes a return to the pre-2008 status quo: heavy on oil, gas and coal, light on renewables, and largely ignoring climate change. I see it from a different perspective: When Barack Obama began running for President in 2007, the US was considered by many to be tapped out on conventional energy, with domestic oil and natural gas production exhibiting signs of deep and permanent decline. In that context it made sense to look beyond those resources to the potential of renewable energy and vehicle electrification, even if the transition involved would be lengthy. That approach also appeared synergistic with reducing greenhouse gas emissions, and a strategy was born. In the meantime, however, it turned out that US oil and gas were far from exhausted, and the most productive new energy technology of this decade wasn't wind, solar or biofuels, but the combination of hydraulic fracturing ("fracking") and horizontal drilling that has unlocked hundreds of trillions of cubic feet of shale gas and tens of billions of barrels of shale oil or "tight oil" resources. Since 2008 the expansion of shale gas drilling has added as much new US energy production as over 250,000 MW of wind turbines or solar panels--8x the wind andsolar power added in the same interval. To the surprise of many, the big global energy opportunity of the 20-teens is US hydrocarbons. The Romney plan reflects the unexpected energy transformation we're experiencing. 

As in 2008, this blog isn't in the business of endorsing candidates. Energy remains an issue that, like the Cold War, demands bi-partisan cooperation and some level of consistency from one administration or Congress to the next. However, that doesn't prevent me from observing that the energy agendas of the two campaigns are not equally well-suited for a period of serious US fiscal constraints and shrinking federal discretionary expenditures, in which our energy security and economic growth will still depend largely on fossil fuels. In that context, it's highly relevant that the "all of the above" credentials of one candidate depend on oil and gas outcomes that his policiesdid little to support. Of course, energy isn't the only issue that matters, but then you wouldn't be reading this if you didn't think it was important.
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SoloPower unveils new solar PV panels and installation systems at Intersolar in Munich

SoloPower unveils new solar PV panels and installation systems at Intersolar in Munich

2012-06-16 13:05:43, india

Intersolar Europe 2012
Greentech Lead Europe: SoloPower, a manufacturer of thin-film solar cells and modules, has unveiled six models of photovoltaic panels and three installation kits at Intersolar in Munich, Germany. SoloPower's installation kits include the SoloSaddle, SoloWedge, and the SoloBridge.
SoloPower's new suite of SoloPanels and installation systems enable the modules to perform optimally and to be integrated into a variety of roof systems across geographies.
"At SoloPower, we approach the market based on the needs of our customers, with solutions that are rapidly deployable on old and new roofs as well as adaptable to site-specific conditions. The combination of our next generation SoloPanels with our installation kits enables us to expand the solar rooftop market, making solar energy easy and economical for just about any roof type, anywhere," said Bruce Khouri, president and chief commercial officer, SoloPower.  
SoloPower's new SoloPanel SF1 and SP1 are optimized for twelve-inch and sixteen-inch standingseam metal roof integration.  SoloPanel SP3L and SP3S are large format modules optimized for commercial and industrial low-slope building applications.
SoloPower's SoloSaddle is a non-penetrating kit designed to integrate the SP3S into membrane based roofing systems. A low-slope curve provides self-cleaning and high performance in hot climates.
SoloWedge is designed to integrate the SP3L into membrane based roofing systems. A five-degree slope provides self-cleaning and maximum performance in cold climates.
The new SoloBridge is designed to integrate the SP3L into metal roofing systems.
SoloPower's modules have low profile bypass diodes that allow maximum performance under shade conditions. The company's latest solutions advance the possibilities of solar power integration, with proven technology that overcomes the product weaknesses of other thin-film solar modules and offers true flexibility for a range of applications.
The company currently plans to set up its high-volume manufacturing facility in Portland, Oregon, which will begin commercial production later this year. SoloPower's operations in Portland are ultimately expected to have a capacity of 400MW and employ 450 people.
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Solar Water Heaters

Solar Water Heaters

An ENERGY STAR qualified solar water heating system can cut your annual hot water costs in half, and is generally designed for use with an electric or gas back-up water heater. These systems can substantially reduce your carbon footprint. Your first step is to determine if your house is suitable for a solar water heater. For maximum results, your roof should:
  • Receive direct sunlight between the hours of 10 AM
    and 4 PM year round;
  • Face south (within 15°); and
  • Be sturdy with the shingles in good condition.
You will then want to contact a local solar water heater contractor, who can assess your site, provide recommendations, install a system and then perform periodic maintenance.
New Jersey's Clean Energy Program provides a list of approved solar water heater contractors. These contractors have been approved to participate in the program and have met several technical training requirements as well as completed the Contractor Application for Participation.
2012 Solar Domestic Water Heater Rebate*
Equipment
Type
Qualifying Level Incentive
New, qualifying solar water heater system replacing or supplementing existing residential class water heater in a single-family home System must be ENERGY STAR qualified (OG-300 SRCC rating, SF>=0.5) and listed on energystar.gov
Warranty
  • 10 years - solar collector
  • 6 years - storage tank
  • 2 years on controls
  • 1 year for piping and parts
$1,200
IMPORTANT:
*To be eligible for the solar domestic water heater incentive, the residence must be serviced by one of the following electric utilities: Atlantic City Electric, Jersey Central Power & Light, Public Service Electric and Gas, Rockland Electric Company, or gas utilities: New Jersey Natural Gas, Elizabethtown Gas, Public Service Electric and Gas, South Jersey Gas.
Eligible Solar Equipment
Find eligible solar water heater systems on energystar.gov.
Find out more about how to become a solar water heater trade ally
2012 Application Forms
For systems purchased on or after February 15, 2012:
For systems purchased on or after July 1, 2012:
*For any customers who purchased equipment between June 15, 2012 and June 30, 2012 we will honor your applications and process them.  Please disregard the June 15th ending date shown on the Terms & Conditions page of the application
For systems purchased between February 15, 2011 and February 14, 2012:
Additional Opportunities to Save
  • If you purchase an energy-efficient product for your home, you may also be eligible for a federal tax credit. Please consult your tax professional.
Also, consider getting a home energy assessment from Home Performance with ENERGY STAR to help you save even more and improve the comfort, safety, and durability of your home.
Are you wondering what other rebates might be available?  Visit our Rebates and Promotions page.
Questions About Your Rebate Status?
Do you have a question about a rebate that you already submitted? Please contact us at 866-NJSMART. You may also submit your question online.
Please allow up to 120 days to receive a rebate.
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IFC invests Rs 67.5 Crore in Indian biomass company – Shalivahana Green Energy


IFC, a member of the World Bank Group, will provide $15 million (Rs 67.5 Crore) in equity financing to Shalivahana Green Energy Limited, an Indian biomass power company, to help increase India’s power supply. IFC’s investment will support the company’s expansion of about 200 megawatts of its existing biomass power projects in the Indian states of Chhattisgarh, Jharkhand, Madhya Pradesh, Orissa, and Tamil Nadu. Apart from IFC, Axis Infrastructure Fund 1 and IL&FS Renewable Energy Limited are also invested in the company.
IFC invests Rs 67.5 Crore in Indian biomass company   Shalivahana Green Energy logo
Through its Post-2012 Carbon Facility, IFC will also commit to purchase up to 1.5 million Certified Emission Reductions or CERs from energy projects developed by Shalivahana during 2013 to 2020. IFC will pay for a pre-agreed percentage of the spot price of the CERs at the time of delivery, subject to a minimum price.
“IFC’s support will help us raise funds, adds credibility to our work, and raise the generation capacity of our portfolio over the next four years. The Post-2012 Carbon Facility will help us generate sustainable revenues in the long run despite the uncertainties in the global carbon market,” said M. Komaraiah, Chairman and Managing Director of Shalivahana Green Energy Limited.
India suffers from serious power shortages, poor quality and reliability of supply, and inadequate access to power. The company plans to undertake small to medium-sized projects in the biomass, hydro, and wind-energy sectors. Eighty-percent of power generation in India comes from state-owned providers, with most private players focused on large thermal and hydro-power projects.
“Improving access to regular and clean power supply is a key strategic priority for IFC in India. Our Post-2012 Carbon Facility provides the Shalivahana Group with a high-quality revenue stream from CERs up to 2020 to strengthen the viability of their projects,” said Thomas Davenport, IFC Director for South Asia.
After the Indian government made adoption of renewable purchase obligations mandatory, state distribution utilities, open-access consumers, and captive power plants are required to buy a certain portion of their power purchases from renewable-energy sources.
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Magnetic Solar Power


Our installation at Southern Energy Management in Raleigh-Durham, NC seems to have some gravitational pull.
As SEM would readily admit, their offices are not exactly on Times Square. But in spite of the industrial surroundings, the Spotlight system is attracting a steady stream of visitors. CEOs, government leaders, and community leaders have all made a point to see this new and novel solar system/sculpture/thing.  This is exactly the type of benefit we are trying to bring to our Certified Integrator partners. It comes down to delivering new value to commercial buyers of solar.
One CEO and community leader who visited our installation today looked up at it and said  “Now, I get it!” He was the latest of several to say the same thing. They get that a visible and striking solar system will start conversations among visitors to a property — about clean energy, the environment, and the positive impact measures the property owner has taken. And thus, the property will be differentiated, the owner will earn a reputation for leadership, and more people will consider solar power.

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Solar energy companies in India

Solar energy companies in India
India is one of the leading solar energy producers. The country receives a very high amount of solar insulation, and due to the ever increasing demand for power there has been a dramatic growth in the number of Solar energy companies in India. These companies exist in both private and public sectors, and some very large projects are already underway in the country.
The Indian government has planned to install solar power projects covering 35,000 Sq. Km. of area in Rajasthan that can generate up to 2,100 Gw of power. The leading Solar energy companies in India are elaborated here.

Leading Solar Power Companies
Some of the leading Solar energy companies in India include Tata BP Solar Ltd., BHEL, Azure Power and IComm Tele Ltd. among several others as mentioned below.
Tata BP Solar Limited
The company provides a wide range of solar power solutions to businesses. This includes offshore solutions, roof-top solutions, rural electrification, building integrated Photovoltaic, educational requirements, rural development solutions, banks and telecom industry.
Azure Power
This company offers solar power solutions to a wide range of customers belonging to the utility sector, commercial and government sector. The solar power plant installed by Azure Power in Punjab is the very first private-sector utility plant in the entire country.
BHEL
Bharat Heavy Electricals Ltd or BHEL is among the fastest growing public sector firms in the country. BHEL is also one of the major Solar energy companies in India. The company is presently working on the installation of 3 eco-friendly grid systems linked to solar power plants.
HHV Solar Technologies Pvt. Ltd.
The company provides advanced solar photovoltaic and solar power solutions for commercial and industrial organizations around the world. The company makes solar energy products like solar traffic blinkers, solar home lighting systems, solar water pumping systems and solar street lights.
IComm Tele Ltd.
Established in 1989, IComm Tele Ltd. is one of the rare Solar energy companies in India to have received the reputation of innovative EPC business. The company offers solar energy solutions to different sectors such as power, infrastructure, defence, core solar power and telecom.
Photon Energy Systems Ltd.
This company was established in 1995. Today, Photon Energy Systems is one of the largest manufacturers of solar PV systems, PV modules and solar thermal systems in India.
Andromeda Energy Technologies Pvt. Ltd.
Andromeda Energy Technologies Pvt. Ltd. or AETPL was established as a solar energy solutions company in 1999. The company has been offering manufacturing, sales and services in solar thermal and photovoltaic products. It is also closely associated with research organizations.
Sungrace Energy Solutions
Sungrace Energy Solutions was established in 1999 by a group of technocrats having significant amount of experience in solar photovoltaic market. The company manufactures solar power solutions for small organizations, solar lantern, solar home lighting and solar street lighting systems.
These are some of the leading Solar energy companies in India. They manufacture solar products or provide solar power solutions to a diverse range of settings, both commercial and residential in nature.
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Solar Energy


About Solar Energy
India gets more than 5,000 trillion kWh of Solar Energy every year. This much of energy is very high compared to the overall energy requirement and consumption in the country. As regards the latest trends in developed countries like the U.S. and Japan, it is estimated by industry experts that millions of homes around the world are going to switch to solar energy in the next few years.
Solar Energy
The Indian Renewable Energy Development Agency is busy creating a programme to facilitate the use of solar energy in over one million homes in India in the next few years.
What is solar energy?
Solar Energy is the energy received from the sun that sustains life on earth. For many decades solar energy has been considered as a huge source of energy and also an economical source of energy because it is freely available. However, it is only now after years of research that technology has made it possible to harness solar energy.
solar energy working
Some of the modern Solar Energy systems consist of magnifying glasses along with pipes filled with fluid. These systems consist of frontal glass that focuses the sun’s light onto the pipes. The fluid present in the pipes heats up instantly. In addition they pipes are painted black on the outside so as to absorb maximum amount of heat. The pipes have reflective silver surface on the back that reflects the sunlight back, thus heating the pipes further. This reflective silver surface also helps in protecting everything that is on the back of the solar panel.
The heat thus produced can be used for heating up water in a tank, thus saving the large amount of gas or electricity required to heat the water.
Solar Energy Facts
Solar Energy is already being successfully used in residential and industrial settings for cooking, heating, cooling, lighting, space technology, and for communications among other uses. In fact, fossil fuels are also one form of solar energy stored in organic matter. With fossil fuels making major impact on the environment and raising issues of pollution and global warming, solar energy has increased in its importance to industries and homes. While the reserves of fossil fuels are restricted, there is no limitation to the availability of solar energy.
With improvement in solar energy technology and the increase in prices of fossil fuel, solar energy is gradually becoming more and more affordable. In addition, there is additional cost in the form of importation and transportation, required for oil, coal and gas.
On a surface on the Earth’s orbit, normal to the sun, solar radiation hits at the rate of 1,366 Watt Per Meter Square. This is known as solar constant. While 19% of this energy gets absorbed in the atmosphere, 35% gets reflected by clouds. So, the solar energy that reaches sea level is much reduced.
In the last few years, the cost of manufacturing of photovoltaic cells has gone down by as much as 5% in a year and the percentage of government subsidies have gone up. This means that every year, it is becoming more and more affordable to use Solar Energy. In 2004, the global solar cell production increased by as much as 60%. The amount of energy released by a single Kilo Watt of solar energy unit is equivalent to burning as much as 76 Kg of coal that releases over 135 Kg of carbon dioxide.
As per energy industry giant, Shell more than 50% of the global energy in 2040 is going to be in the form of renewable energy.
Solar Energy for home
In the last few years the number of photovoltaic installations on homes connected to utility grid has grown significantly. And, the demand for Solar Energy has grown due to policies in green pricing from utilities and government rebate programs. The demand has also grown due to the interest of households to get electricity from renewable, non-polluting and clean source. However, most of the users are interest in solar energy, but they can pay only a limited premium for it.
The returns on the initial high costs of installation are in the form selling solar energy to the grid at premium rates and also in the form of long-term savings that come in the form of not having to pay any utility bills.
When you have a solar system that is connected to the utility grid, the regular generation of electricity is used at home and the excess electricity is exported to the utility. In this type of setup you would not require any batteries because any additional demand will be met from the grid supply. However, if you want to be free of the grid, battery storage will be required to supply power during nighttime and during cloudy or stormy conditions.
Vacation homes or holiday homes that don’t have access to the grid can utilize Solar Energy in a more cost-effective manner as compared to relying on the grid for running wires to the remote location. People living in remote areas having sufficient sunlight can get reliable power in the form of solar energy. The basic components required in the solar power system consists of a solar panel, battery for storing all the energy gathered during daytime, a regulator and essential switches and wiring. These types of systems are commonly known as Solar Home Systems (SHS).
Solar Energy Cost
When you want to install Solar Energy system at home, you would require it to be sufficient for meeting all electricity requirements in home for a day plus it should generate enough power to store for 3 to 5 days for contingency purpose. Such a system would keep supplying power and getting charged when the days are sunny. During rain or winters it would be able to keep backup charge for a couple of days until the sun emerges. This means that such a solar power system is going to supply you a regular flow of electricity.
Solar panels are one of the most important factors in the generation of Solar Energy. On an average, 1 Sq. Ft. of Solar Panel generates 10.6 Watts of power. And, the cost of 1 Sq. Ft. of Solar Panel is approximately Rs. 4,500. 10.6 Watt of power is sufficient to light a room. So, if you want to power appliances like television, refrigerator and computer, you would need more solar panels.
You would have to consider solar grid-tie, and install 60 to 70 solar panels on the roof to meet the overall electricity requirement of your home. You must know that the cost of installing solar panels is not at all cheap.
Advantages of Solar Energy
Solar Energy has more advantages than you can point out the disadvantages. When it comes to considering solar power as mainstay source of energy for home and industrial settings, it beats all other conventional sources of energy.
Once the initial cost of installation is met, the electricity generated by solar panels is free of cost. In a stand-alone solar power system you don’t have to pay any utility bills. Another positive in installing solar power systems is that government offers lots of rebates and incentives to cover the initial cost. You can also sell the additional electricity generated by your system. Sometimes the utility company will give you credits for selling the excess amount of electricity.
Another good thing about solar power is that the cost of the technology is decreasing almost every few months and the efficiency is improving significantly. Today, you can find different types of solar solutions that are more convenient to install. Solar Energy is a renewable and clean source of energy and you don’t have to pay any transmission cost. This is because the energy would be produced and consumed at the same place.
Depending upon your budget, you can get all or a part of your electricity requirements fulfilled by solar energy. When batteries are used in the system to store electricity you can become entirely independent of the grid. This also means that you don’t have to get bothered by power failures in the grid, as you would be able to enjoy seamless supply of electricity.
Disadvantages of Solar Energy
Even though Solar Energy has several disadvantages, they are not major in degree and the benefits of this renewable source of energy far outweigh them.
The initial cost of the installation and equipment is high. When you compare fossil fuel technology with solar power technology, the former will seem to be far more affordable. Even though Solar Energy is being used at an increasing rate, the initial costs don’t encourage the maximum users to switch to this renewable source of energy.
If there is shortage of space for installing solar panels, you would not be able to generate sufficient amount of Solar Energy required to meet your electricity requirements.
Considering all these factors, it doesn’t require much judgment to see that solar energy is the mainstay of energy requirement in both households and industries, both in the future and in the next few years. It is only a matter of time before Solar Energy technology becomes easily affordable to make this untapped and unending source of energy a common phenomenon in every household.
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Portable solar power generator

Portable solar power generator can power a refrigerator for four days


The market today seems flooded with all kinds of solar powered generators aiming to charge everything from your mobile phone to your tablet computer. However, generators for more power-hungry appliances at your home, such as the refrigerator or the television mostly run on conventional fossil fuels. Spotted at Hammacher, this unique solar power generator aims to change that perception of solar chargers.
Developed as an emergency source of power, this advanced solar energy generator provides zero-emission back-up power without relying on the use of volatile fuels such as propane or gas. Featuring two 30W mono-crystalline solar panels, the energy generated by the charging system is used to charge a 1250W battery bank, which according to the creators can keep your refrigerator running for up to four days, a television for up to 35 hours and a laptop for 30 hours, once it is charged to full capacity in 20 hours.http://auditorlink.blogspot.in/
The system features an integrated LCD panel that displays the power input/output and the amount of power remaining in the system’s battery bank. While the basic system, which retails for $2000, includes two solar panels, up to eight solar panels can be connected to the batteries for faster recharge and more power. Also included is an AC charging cable, which can be used to power the battery bank for emergency situations.
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Solar power


Solar power is the conversion of sunlight into electricity, either directly using photovoltaics (PV), or indirectly using concentrated solar power (CSP). Concentrated solar power systems use lenses or mirrors and tracking systems to focus a large area of sunlight into a small beam. Photovoltaics convert light into electric current using the photoelectric effect.[1] Commercial concentrated solar power plants were first developed in the 1980s. The 354 MW SEGS CSP installation is the largest solar power plant in the world, located in the Mojave Desert of California. Other large CSP plants include the Solnova Solar Power Station (150 MW) and the Andasol solar power station (150 MW), both in Spain. The over 200 MW Agua Caliente Solar Project in the United States, and the 214 MW Charanka Solar Park in India, are the world’s largest photovoltaic plants. The early development of solar technologies starting in the 1860s was driven by an expectation that coal would soon become scarce. However, development of solar technologies stagnated in the early 20th century in the face of the increasing availability, economy, and utility of coal and petroleum.[17] In 1974 it was estimated that only six private homes in all of North America were entirely heated or cooled by functional solar power systems.[18] The 1973 oil embargo and 1979 energy crisis caused a reorganization of energy policies around the world and brought renewed attention to developing solar technologies.[19][20] Deployment strategies focused on incentive programs such as the Federal Photovoltaic Utilization Program in the US and the Sunshine Program in Japan. Other efforts included the formation of
research facilities in the US (SERI, now NREL),

 Japan (NEDO), and Germany (Fraunhofer Institute for Solar Energy Systems ISE).[21] Between 1970 and 1983 photovoltaic installations grew rapidly, but falling oil prices in the early 1980s moderated the growth of PV from 1984 to 1996. Since 1997, PV development has accelerated due to supply issues with oil and natural gas, global warming concerns, and the improving economic position of PV relative to other energy technologies.[22] Photovoltaic production growth has averaged 40% per year since 2000 and installed capacity reached 39.8 GW at the end of 2010,[23] of them 17.4 GW in Germany. As of October 2011, the largest photovoltaic (PV) power plants in the world are the Sarnia Photovoltaic Power Plant (Canada, 97 MW), Montalto di Castro Photovoltaic Power Station (Italy, 84.2 MW) and Finsterwalde Solar Park (Germany, 80.7 MW).[24] There are also many large plants under construction. The Desert Sunlight Solar Farm is a 550 MW solar power plant under construction in Riverside County, California, that will use thin-film solar photovoltaic modules made by First Solar.[25] The Topaz Solar Farm is a 550 MW photovoltaic power plant, being built in San Luis Obispo County, California.[26] The Blythe Solar Power Project is a 500 MW photovoltaic station under construction in Riverside County, California. The Agua Caliente Solar Project is a 290 megawatt photovoltaic solar generating facility being built in Yuma County, Arizona. The California Valley Solar Ranch (CVSR) is a 250 megawatt (MW) solar photovoltaic power plant, which is being built by SunPower in the Carrizo Plain, northeast of California Valley.[27] The 230 MW Antelope Valley Solar Ranch is a First Solar photovoltaic project which is under construction in the Antelope Valley area of the Western Mojave Desert, and due to be completed in 2013.[28]
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Solar power in India


 
Solar power in India

India is densely populated and has high solar insolation, an ideal combination for using solar power in India. India is already a leader in wind power generation. In the solar energy sector, some large projects have been proposed, and a 35,000 km2 area of the Thar Desert has been set aside for solar power projects, sufficient to generate 700 GW to 2,100 GW. In July 2009, India unveiled a US$19 billion plan to produce 20 GW of solar power by 2020.[1] Under the plan, the use of solar-powered equipment and applications would be made compulsory in all government buildings, as well as hospitals and hotels.[2] On 18 November 2009, it was reported that India was ready to launch its National Solar Mission under the National Action Plan on Climate Change, with plans to generate 1,000 MW of power by 2013.[3] From August 2011 to July 2012, India went from 2.5 MW of grid connected photovoltaics to over 1,000 MW. According to a 2011 report by BRIDGE TO INDIA and GTM Research, India is facing a perfect storm of factors that will drive solar photovoltaic (PV) adoption at a "furious pace over the next five years and beyond". The falling prices of PV panels, mostly from China but also from the U.S., has coincided with the growing cost of grid power in India. Government support and ample solar resources have also helped to increase solar adoption, but perhaps the biggest factor has been need. India, "as a growing economy with a surging middle class, is now facing a severe electricity deficit that often runs between 10 and 13 percent of daily need".[4]

With about 300 clear, sunny days in a year, India's theoretical solar power reception, on only its land area, is about 5000 Petawatt-hours per year (PWh/yr) (i.e. 5000 trillion kWh/yr or about 600 TW).[5][6] The daily average solar energy incident over India varies from 4 to 7 kWh/m2 with about 1500–2000 sunshine hours per year (depending upon location), which is far more than current total energy consumption. For example, assuming the efficiency of PV modules were as low as 10%, this would still be a thousand times greater than the domestic electricity demand projected for 2015.[5][7][edit]Installed capacity The amount of solar energy produced in India in 2007 was less than 1% of the total energy demand.[8] The grid-interactive solar power as of December 2010 was merely 10 MW.[9] Government-funded solar energy in India only accounted for approximately 6.4 MW-yr of power as of 2005.[8]
However, India is ranked number one in terms of solar energy production per watt installed, with an insolation of 1,700 to 1,900 kilowatt hours per kilowatt peak (kWh/KWp).[10] 25.1 MW was added in 2010 and 468.3 MW in 2011.[11] By July 2012 the installed grid connected photovoltaics had increased to 1040.67 MW,[12] and India expects to install an additional 10,000 MW by 2017, and a total of 20,000 MW by 2022.[13] Solar power in Gujarat Main article: Gujarat Solar Park Gujarat has been a leader in solar power generation and contributes 2/3rd of the 900 MW of photovoltaics in the country. The State has commissioned Asia’s biggest solar park at Charanka village. The park is already generating 214 MW solar power out of its total planned capacity of 500 MW. The park has been functioning on a multi-developers and multi-beneficiaries paradigm and has been awarded for being the most innovative and environment-friendly project by the CII. With a view to make Gandhinagar a solar city, the State government has launched a roof-top solar power generation scheme. Under this scheme, the State plans to generate five megawatt of solar power by putting solar panels on about 50 state government buildings and on 500 private buildings. The State has also a plan to emulate this project in Rajkot, Surat, Bhavnagar and Vadodara in 2012-13. The State plans to generate solar power by putting solar panels on the Narmada canal branches. As a part of this scheme, the State has already commissioned a one megawatt solar plant on a branch of the Narmada Canal near Chandrasan area of Anand taluka. This also helps by stopping 90,000 liter water/year of the Narmada river from evaporating. [edit]Solar power in Rajasthan Next to Gujarat, Rajasthan is India's sunniest state, and many solar projects have been proposed. The 40 MW photovoltaic Dhirubhai Ambani Solar Park was completed in April 2012.[18] A 250 MW compact linear fresnel reflector (CLFR) plant is under construction, consisting of two 125 MW sections.[47] [edit]Solar power in Maharastra The Shri Sai Baba Sansthan Trust has world's largest solar steam system. It was constructed at the Shirdi shrine at an estimated cost of Rs.1.33 crore, Rs.58.4 lakh of which was paid as a subsidy by the renewable energy ministry. The system is used to cook 50,000 meals per day for pilgrims visiting the shrine, resulting in annual savings of 100,000 kg of cooking gas and has been designed to generate steam for cooking even in the absence of electricity to run the feed water pump for circulating water in the system. The project to install and commission the system was completed in seven months and the system has a design life of 25 years
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