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   <title>Solar News</title>
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   <id>tag:www.thesolarplan.com,2011:/news/1</id>
   <updated>2011-04-25T12:53:32Z</updated>
   <subtitle>Solar News from TheSolarPlan.com</subtitle>
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<entry>
   <title>Innovation in Solar Technology</title>
   <link rel="alternate" type="text/html" href="http://www.thesolarplan.com/news/innovation-in-solar-technology.html" />
   <id>tag:www.thesolarplan.com,2011:/news//1.146</id>
   
   <published>2011-04-25T12:48:22Z</published>
   <updated>2011-04-25T12:53:32Z</updated>
   
   <summary>Increasingly high cost of electricity is overwhelming the nation. Many people are having to choose between keeping the power on or buying groceries</summary>
   <author>
      <name>SolarAdmin</name>
      <uri>http://blog.strive4impact.com</uri>
   </author>
         <category term="Solar Articles" scheme="http://www.sixapart.com/ns/types#category" />
         <category term="Solar Learning &amp; Models" scheme="http://www.sixapart.com/ns/types#category" />
         <category term="Solar News" scheme="http://www.sixapart.com/ns/types#category" />
   
   <category term="310" label="electric,electricity,power,groceries,solar" scheme="http://www.sixapart.com/ns/types#tag" />
   
   <content type="html" xml:lang="en" xml:base="http://www.thesolarplan.com/news/">
      <![CDATA[Today, the concept of "going green" has become more popular than ever, and with good reason. As our world's resources continue to be depleted, it's imperative we look for a way to preserve them while still supplying for the needs of our families.

In an effort to meet this growing crisis head on, many people are wondering about the validity of solar energy. This natural, renewable resource is an ideal solution to power your home, both indoors and out. Solar panels can be installed on existing homes, or ideally, implemented into the design of new buildings. Either way, solar technology offers a viable solution to help save the world's resources while saving you money as well.

Solar energy uses the sun's rays to produce energy that can power everything from an audio CD player to a <a href="http://www.netgear.com/" title="solar powered network adapter" target="solar">wireless network adapter</a>. You've more than likely used many objects that run on solar power including a calculator, outdoor lighting, phone chargers or flashlights. Solar power may sound high tech, but it's actually been in use for thousands of years, potentially dating back to ancient China.]]>
      <![CDATA[<strong>Like to do-it-yourself? </strong>
You can easily find instructions online to help you make your own solar panels with materials commonly found at the hardware store. With the items needed and the ability to follow instructions, you'll be amazed at how easily you can create your own solar power in just a short time. Of course, if you prefer to buy panels ready-made, that's a cinch, too. They're affordable and as easy to install as new roofing.

The increasingly high cost of electricity is overwhelming the nation. Many people are having to choose between keeping the power on or buying groceries. Not only are the cost savings significant when you choose solar energy, but using a renewable resource to power your home is earth-friendly and just plain smart.

Utility companies will only continue to raise their rates. They have to in order to meet the rising demand for power. By using solar energy, you're removing yourself from that ever increasing cycle of dependence. And that feels good.

In addition to the normal cost savings associated with solar power, many states now offer tax benefits to families who install solar equipment. You may find that you can actually convert your home to solar energy for a lot less than you had imagined. Contact your county or state energy office for information and recommendations on solar energy specifically in your area.
There are many ways you and your family can help to preserve the earth. Using solar energy as often as possible is one of the most convenient, most comfortable, and most economical ways you can choose to help.

This is a guest post from Alyssa Lee, who has lately been thinking about installing some solar panels to her house.]]>
   </content>
</entry>
<entry>
   <title>State of Alabama Solar Resources </title>
   <link rel="alternate" type="text/html" href="http://www.thesolarplan.com/news/alabama/state-of-alalbama-solar-resour.html" />
   <id>tag:www.thesolarplan.com,2010:/news//1.144</id>
   
   <published>2010-12-05T04:23:47Z</published>
   <updated>2010-12-05T04:37:44Z</updated>
   
   <summary>Programs promoting Geothermal, BioMass and certain Building Materials...</summary>
   <author>
      <name>SolarGuy</name>
      <uri>http://www.thesolarplan.com</uri>
   </author>
         <category term="Alabama" scheme="http://www.sixapart.com/ns/types#category" />
         <category term="Solar News" scheme="http://www.sixapart.com/ns/types#category" />
         <category term="Solar Resources listed by State" scheme="http://www.sixapart.com/ns/types#category" />
   
   
   <content type="html" xml:lang="en" xml:base="http://www.thesolarplan.com/news/">
      Programs promoting Geothermal, BioMass and certain Building Materials 
      <![CDATA[<strong>Geothermal</strong>Central Alabama Electric Cooperative, a Touchstone Electric Cooperative, offers the Touchstone Energy Home Program. Touchstone Energy Homes with a dual-fuel or geothermal heat pump qualify for rebates and a free water heater. In order to qualify as a Touchstone Energy Home, homes must follow seven of the 11 guidelines listed on the program web site. Rebates range from $400 to $1,200, depending on tonnage and system type. Touchstone Energy homes with an air-source, dual-fuel or geothermal heat pump are eligible for a free energy-efficient water heater.
<a href="http://www.caec.coop/cms/content/view/42/">http://www.caec.coop/cms/content/view/42/</a>

<strong>Biomass</strong>The Biomass Energy Program assists businesses in installing biomass energy systems. Program participants receive up to $75,000 in interest subsidy payments to help defray the interest expense on loans to install approved biomass projects. Technical assistance is also available through the program.  Industrial, commercial and institutional facilities; agricultural property owners; and city, county, and state government entities are eligible. Interested parties must obtain loans from commercial lending institutions and submit repayment data to the Alabama Department of Economic and Community Affairs (ADECA) for interest payment assistance. ADECA pays the borrower directly, based on documentation of payment. The interest rates on loans should be no greater than 2% above the prime rate.  
<a href="http://www.adeca.state.al.us/C16/Biomass%20Energy%20Program/default.aspx">http://www.adeca.state.al.us/C16/Biomass%20Energy%20Program/default.aspx</a>

This statute allows individual taxpayers a deduction for the purchase and installation of a wood-burning heating system. The deduction is equal to the total cost of purchase and installation for the conversion from gas or electricity to wood when the system is used as the primary energy source for heating a home. The deduction must be taken for the taxable year during which the conversion was completed. Note that this incentive is for the conversion of an existing system and not for the first-time installation of a wood-burning system.
<a href="http://www.legislature.state.al.us/CodeofAlabama/1975/40-18-15.htm">http://www.legislature.state.al.us/CodeofAlabama/1975/40-18-15.htm</a>

<strong>Building/Construction insulation materials
-Windows, Coolith tubes, heat exchangers, plantings etc</strong>
For improvements made in 2009 and 2010, you can get an income tax credit of up to $1,500 for installing efficient new windows, insulation, doors, roofs, and heating and cooling equipment in your home. However, efficiency criteria will vary dependant on when these items are installed.
<a href="http://ase.org/content/article/detail/2654#home_improvement">http://ase.org/content/article/detail/2654#home_improvement</a>

<strong>Multiple renewables:</strong>Tennessee Valley Authority (TVA) and participating power distributors of TVA power offer a production-based incentive program to Valley homeowners and businesses for the installation of renewable generation systems from the following qualifying resources: solar, wind, low-impact hydropower, and biomass called Generation Partners. The energy generated from these renewable generation systems will count towards TVA's green power pricing program, Green Power Switch. TVA will purchase 100% of the output from a qualifying system at a premium of $0.12 per kilowatt-hour (kWh) on top of the retail electricity rate for solar and $0.03 per kilowatt-hour on top of the retail electricity rate for wind, low-impact hydro, and biomass. Payment is made in the form of a credit issued by the local power company on the monthly power bill for the home or business where the generation system is located. If a qualifying system produces more electricity than the customer consumes, payment for any excess credits will be issued either monthly or annually, at the discretion of the power company. All new participants in the Generation Partners program will receive a $1,000 incentive to offset the upfront cost of the qualifying system.   
<a href="http://www.tva.com/greenpowerswitch/partners/">http://www.tva.com/greenpowerswitch/partners/</a>]]>
   </content>
</entry>
<entry>
   <title>25% US Renewable Electricity Standard Will Create 274,000 Jobs </title>
   <link rel="alternate" type="text/html" href="http://www.thesolarplan.com/news/solar-news/25-us-renewable-electricity-st.html" />
   <id>tag:www.thesolarplan.com,2010:/news//1.143</id>
   
   <published>2010-06-16T19:18:22Z</published>
   <updated>2010-06-16T19:24:05Z</updated>
   
   <summary>A new study released by Navigant Consulting finds that a 25% by 2025 national Renewable Electricity Standard (RES) would support hundreds of thousands of new American jobs and prevent a near-term collapse in some industries....</summary>
   <author>
      <name>SolarGuy</name>
      <uri>http://www.thesolarplan.com</uri>
   </author>
         <category term="Solar News" scheme="http://www.sixapart.com/ns/types#category" />
   
   <category term="306" label="employment" scheme="http://www.sixapart.com/ns/types#tag" />
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   <category term="298" label="job" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="305" label="jobs" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="196" label="renewable" scheme="http://www.sixapart.com/ns/types#tag" />
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   <content type="html" xml:lang="en" xml:base="http://www.thesolarplan.com/news/">
      A new study released by Navigant Consulting finds that a 25% by 2025 national Renewable Electricity Standard (RES) would support hundreds of thousands of new American jobs and prevent a near-term collapse in some industries. 
      <![CDATA[<em>Washington, D.C., United States </em>

Job growth in the wind, solar, biomass, waste-to-energy and hydropower industries would particularly benefit the Southeastern U.S. and manufacturing states whose Congressional delegations have had a history of voting against incentives and other measures designed to support the renewable energy sector.

The "Job Impacts of a National Renewable Electricity Standard" study was released by the RES Alliance for Jobs and found that a 25% by 2025 national RES would support an additional 274,000 renewable energy jobs over a no-national policy option. The 25% figure is significantly higher than RES mandate in current legislation and the expected jobs supported in the current House and Senate provisions would be considerably lower.

In addition, the study found that without stronger near-term targets than currently envisioned, industries like wind will experience flat job growth and long-term stagnation, while the U.S. biomass industry could collapse altogether. The RES Alliance recommends raising near-term RES targets in federal legislation to 12% in 2014 and 20% in 2020.

“A strong Renewable Electricity Standard is crucial to create a stable investment environment and grow this highly promising sector. Without a strong RES, the U.S. wind industry will see no net job growth, and will likely lose jobs to overseas competitors. A target like 25 percent by 2025 would allow American wind companies to support double the amount of jobs than without a policy -- about 125,000 additional jobs."

States that stand to gain the most from a strong RES, according to the RES Alliance / Navigant Consulting study, include:
•	Louisiana, Alabama, Kentucky, Tennessee Georgia and Florida that can benefit from substantial biomass and municipal solid waste-to-energy
•	Ohio, Michigan, Pennsylvania and Indiana, which will gain from growth in manufacturing for a wide range of technologies
•	North and South Dakota, Iowa, Kansas, Nebraska and Illinois, home to major wind resources
•	Colorado, Arizona, Oregon and California, where solar, wind and hydropower have significant growth potential
•	States that do not currently have renewables standards or targets like Indiana, Florida, Virginia, Kentucky, Tennessee, Georgia, Arkansas, Oklahoma and Alabama
The study emphasizes that while tax credits continue to play a critically important role in preserving the viability of existing facilities, a RES is needed in order to support both near- and long-term investments.

<em>Information on this page was created and posted by the company identified above. TheSolarPlan.com does not endorse, edit, or substantiate this information and assumes no obligation for this content's accuracy. </em>]]>
   </content>
</entry>
<entry>
   <title>Solar Boat Crosses Ocean</title>
   <link rel="alternate" type="text/html" href="http://www.thesolarplan.com/news/solar-news/solar-boat-crosses-ocean.html" />
   <id>tag:www.thesolarplan.com,2010:/news//1.142</id>
   
   <published>2010-04-23T03:01:28Z</published>
   <updated>2010-04-23T03:09:02Z</updated>
   
   <summary>First sun-powered crossing of the Atlantic...</summary>
   <author>
      <name>SolarGuy</name>
      <uri>http://www.thesolarplan.com</uri>
   </author>
         <category term="Solar News" scheme="http://www.sixapart.com/ns/types#category" />
   
   
   <content type="html" xml:lang="en" xml:base="http://www.thesolarplan.com/news/">
      First sun-powered crossing of the Atlantic 
      <![CDATA[BASEL, Switzerland - The Swiss-built solar vessel completed the crossing May 8, 2007 when it arrived at its final destination in New York. 

Dubbed "sun21," the catamaran reached North Cove Marina after a journey of over 8,000 miles from Chipiona, Spain, to the Caribbean island of Martinique and then along the U.S. East Coast to New York.

The 46-foot boat produced 2,000 kilowatt hours of solar energy during its voyage, the transatlantic21 group behind the effort said in a statement. The group said this showed the crossing could be made entirely without fuel.

"This proves that in our modern society it is indeed possible to travel the world efficiently and still safeguard the environment," said the boat's skipper, Michael Thonney. 

<em>Associated Press</em>]]>
   </content>
</entry>
<entry>
   <title>Solar Power to Rule in 20 Years, Futurists Say</title>
   <link rel="alternate" type="text/html" href="http://www.thesolarplan.com/news/solar-news/solar-power-to-rule-in-20-year.html" />
   <id>tag:www.thesolarplan.com,2010:/news//1.141</id>
   
   <published>2010-04-20T03:16:17Z</published>
   <updated>2010-04-20T03:29:00Z</updated>
   
   <summary>He predicted the fall of the Soviet Union. He predicted the explosive spread of the Internet and wireless access....</summary>
   <author>
      <name>SolarGuy</name>
      <uri>http://www.thesolarplan.com</uri>
   </author>
         <category term="Solar News" scheme="http://www.sixapart.com/ns/types#category" />
   
   <category term="77" label="energy" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="217" label="future" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="24" label="green" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="81" label="greenpower" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="11" label="solar" scheme="http://www.sixapart.com/ns/types#tag" />
   
   <content type="html" xml:lang="en" xml:base="http://www.thesolarplan.com/news/">
      He predicted the fall of the Soviet Union. He predicted the explosive spread of the Internet and wireless access.
      <![CDATA[Now futurist and inventor Ray Kurzweil is part of distinguished panel of engineers that says solar power will scale up to produce all the energy needs of Earth's people in 20 years. 

There is 10,000 times more sunlight than we need to meet 100 percent of our energy needs, he says, and the technology needed for collecting and storing it is about to emerge as the field of solar energy is going to advance exponentially in accordance with Kurzweil's Law of Accelerating Returns. That law yields a doubling of price performance in information technologies every year. 

Kurzweil, author of "'The Singularity Is Near" and "The Age of Intelligent Machines," worked on the solar energy solution with Google Co-Founder Larry Page as part of a panel of experts convened by the National Association of Engineers to address the 14 "grand challenges of the 21st century," including making solar energy more economical. The panel's findings were announced here last week at the annual meeting of the American Association for the Advancement of Science. 

<strong>Solar to compete in five years</strong> 
Solar and wind power currently supply about 1 percent of the world's energy needs, Kurzweil said, but advances in technology are about to expand with the introduction of nano-engineered materials for solar panels, making them far more efficient, lighter and easier to install. Google has invested substantially in companies pioneering these approaches. Regardless of any one technology, members of the panel are "confident that we are not that far away from a tipping point where energy from solar will be [economically] competitive with fossil fuels," Kurzweil said, adding that it could happen within five years. 

The reason why solar energy technologies will advance exponentially, Kurzweil said, is because it is an "information technology" (one for which we can measure the information content), and thereby subject to the Law of Accelerating Returns. "We also see an exponential progression in the use of solar energy," he said. "It is doubling now every two years. Doubling every two years means multiplying by 1,000 in 20 years. At that rate we'll meet 100 percent of our energy needs in 20 years."
 
Other technologies that will help are solar concentrators made of parabolic mirrors that focus very large areas of sunlight onto a small collector or a small efficient steam turbine. The energy can be stored using nano-engineered fuel cells, Kurzweil said. You could, for example, create hydrogen or hydrogen-based fuels from the energy produced by solar panels and then use that to create fuel for fuel cells, he said. There are already nano-engineered fuel cells, microscopic in size, that can be scaled up to store huge quantities of energy, he said. 

<strong>Other grand challenges </strong>
The NAE panel thinks that meeting the energy challenge and the other grand challenges of the 21st century is "simply imperative to our survival on the planet," said panel member Charles Vest, former president of MIT and current NAE president. Other challenges that the panel addressed include providing access to clean water , engineering better medicines, reverse engineering the brain, securing cyberspace and enhancing virtual reality. The inspiration for the report was a previous NAE that reflected on the engineering achievements of the 20th century, such as the automobile, aircraft, jet aircraft, rockets, missiles, satellites, radio, radar, television, nuclear power, nuclear weapons, the computer, internet, genetic engineering and antibiotics. 

These inventions gave us the green revolution that improved food production as global population grew, the distribution of safe water and electricity, improved health and generated an improved standard of living for many in the world. However, now the world faces some dark consequences of these advances, said Stanford University's William Perry, a member of the Grand Challenges panel and a former Secretary of Defense in President Clinton's administration, including the depletion of prevailing energy resources, a looming global environmental disaster in global warming, the emergence of drug-resistant bugs and the threat of a security disaster if nuclear and biological weapons fall into the wrong hands. 
With this in mind, the NAE brought together the panel (other members included Segway inventor Dean Kamen, biomedical engineer Robert Langer, former National Institutes of Health Director Bernadine Healy and genomics pioneer Craig Venter) to report on the needs of society and how technology can meet them. 

<strong>More solutions to 21st century challenges </strong>
Other tech solutions suggested by the NAE panel to the new century's big challenges include: 
• Better detection and monitoring of nuclear weapons components to prevent them from getting in the hands of terrorists. 
• Improving rapid responses to possible bioweapons attacks. 
• Advances in genetic engineering to address the problem of drug-resistant viruses and bacteria, and to create personalized medicine. 
• Desalinization and water filtering to address the shortage of potable drinking water. 
• Tutoring computers to help meet education needs. 
• Artificial intelligence that better simulates the brain to help create faster computers and also to aid in the treatment of neurological disorders 

Perry was optimistic about the ability of society to arrive at these solutions, saying the achievements of the 21st century "will I believe be just as spectacular as achievements of 20th century."  Panel member Calestous Juma of Harvard University, an authority on using science and technology to promote sustainable development, said the policy implications of the 21st century challenges plan reveal a "more enlightened understanding of role of science and technology in general."
 
"This idea [of solving large-scale problems using technological innovation] is being developed in the context of a globalized world," he said. "Even though the proposals have been developed in the United States, the challenges themselves that humanity faces are global in character."

<em>Robin Lloyd. LiveScience, February 2008</em> ]]>
   </content>
</entry>
<entry>
   <title>Poll: 75% Support for US Utility Solar Development </title>
   <link rel="alternate" type="text/html" href="http://www.thesolarplan.com/news/solar-news/poll-75-support-for-us-utility.html" />
   <id>tag:www.thesolarplan.com,2010:/news//1.138</id>
   
   <published>2010-03-20T16:35:12Z</published>
   <updated>2010-03-20T16:42:34Z</updated>
   
   <summary>Poll shows overwhelming number of Americans support utility-scale projects on public lands that have not been designated as preserves...</summary>
   <author>
      <name>SolarGuy</name>
      <uri>http://www.thesolarplan.com</uri>
   </author>
         <category term="Solar News" scheme="http://www.sixapart.com/ns/types#category" />
   
   <category term="300" label="environment" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="24" label="green" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="11" label="solar" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="118" label="solar energy" scheme="http://www.sixapart.com/ns/types#tag" />
   
   <content type="html" xml:lang="en" xml:base="http://www.thesolarplan.com/news/">
      Poll shows overwhelming number of Americans support utility-scale projects on public lands that have not been designated as preserves
      <![CDATA[As more utilities support the development of large-scale concentrating solar power (CSP) and photovoltaic (PV) plants in the around the U.S., some citizens have raised questions about the environmental sustainability of certain projects. However, a new poll released yesterday by the Solar Energy Industries Association (SEIA) and Gotham Research Group shows that an overwhelming number of Americans support utility-scale projects on public lands that have not been designated as preserves. 

The researchers surveyed 500 random U.S. adults and found that 75% of respondents support large solar projects. Among those supporters, 40% say that they strongly support such projects. According to the survey, that support spans across all demographics and political parties.

"The survey shows that there is both broad and deep support for large-scale solar initiatives," said Jeff Levine, president of the Gotham Research Group, speaking on a conference call for reporters.

Over the last year, some environmental groups have raised concerns about the aesthetic and environmental impact of solar thermal and solar PV plants located in wilderness areas. As a result, a number of of projects have been postponed or scaled back.

While a number of participants on the call recognized the potential impact of projects, they also said the so called “green versus green” battle between renewable energy companies and environmental groups had been overblown by the press.

"It is a bit of an unfair portrayal. I think on the whole, the environmental community is unified in supporting clean energy...and of course, doing it in a smart way that protects the environment," said Sean Garren, a clean energy advocate for Environment America.

While the poll shows a vast majority of Americans in support of large-scale solar, there are still many barriers in front of the industry. Slow permitting processes, regulatory overlap among state and federal agencies, water and land-rights disputes, transmission bottlenecks and financing remain the top issues for utilities and solar companies.

With all those challenges still on the table, developers are still pushing forward. SEIA estimates that more than 200 megawatts (MW) of utility-scale PV and CSP projects will come online in 2010, potentially creating tens of thousands of jobs. That's a major increase over last year, which saw five plants totaling 58 MW connected to the grid.

SEIA also says there are more than 100 more projects that have been announced, mostly in the Southwest, which represent 17,000 MW. If those are developed, they could create 100,000 direct and indirect domestic jobs, according to SEIA's president Rhone Resch.

"As we're making investments in clean energy, we're investing in our economy as well," Resch said.

Given the complex regulatory environment, it is uncertain whether all those projects will succeed. But as more Americans express support for such development, SEIA hopes it will encourage regulatory agencies, environmental groups and industry players to work together to help large-scale projects move forward.

According to SEIA, the findings of the survey are based on polling conducted from February 24 through February 26, 2010 among a representative sample of 500 U.S. adults, age 18+. The margin of error on the total sample of 500 is +/- 4.4 percent.

<em>Stephen Lacey, Staff Writer - RenewableEnergyWorld.com</em>]]>
   </content>
</entry>
<entry>
   <title>World&apos;s Smallest Solar-Powered Sensor Runs Almost Forever </title>
   <link rel="alternate" type="text/html" href="http://www.thesolarplan.com/news/solar-news/worlds-smallest-solarpowered-s.html" />
   <id>tag:www.thesolarplan.com,2010:/news//1.136</id>
   
   <published>2010-02-23T01:56:31Z</published>
   <updated>2010-02-23T04:27:38Z</updated>
   
   <summary>A tiny solar-powered sensor, smaller than Abe Lincoln&apos;s head on a penny, can supply almost perpetual energy, its creators say....</summary>
   <author>
      <name>SolarGuy</name>
      <uri>http://www.thesolarplan.com</uri>
   </author>
         <category term="Fuel Cells" scheme="http://www.sixapart.com/ns/types#category" />
         <category term="Solar Articles" scheme="http://www.sixapart.com/ns/types#category" />
         <category term="Solar News" scheme="http://www.sixapart.com/ns/types#category" />
   
   
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      A tiny solar-powered sensor, smaller than Abe Lincoln&apos;s head on a penny, can supply almost perpetual energy, its creators say.
      <![CDATA[The device contains solar cells, a battery and a processor, all in a package that measures 2.5 by 3.5 by 1 millimeters. It could enable new biomedical implants as well as new devices to monitor buildings, bridges and homes. "It could vastly improve the efficiency and cost of current environmental sensor networks designed to detect movement or track air and water quality," the developers said in a statement. 

With an off-the-shelf ARM Cortex-M3 processor, the system contains the lowest-powered commercial-class microcontroller. It uses about 2,000 times less power in sleep mode than its most energy-efficient counterpart on the market today. "Our system can run nearly perpetually if periodically exposed to reasonable lighting conditions, even indoors", said David Blaauw, an electrical and computer engineering professor. "Its only limiting factor is battery wear-out, but the battery would last many years."
 
The new sensor spends most of its time in sleep mode, waking briefly every few minutes to take measurements. Its total average power consumption is less than 1 nanowatt. A nanowatt is one-billionth of a watt. The developers say the key innovation is their method for managing power. The processor only needs about half of a volt to operate, but its low-voltage, thin-film Cymbet battery puts out close to 4 volts. The voltage, which is essentially the pressure of the electric current, must be reduced for the system to function most efficiently. 

"If we used traditional methods, the voltage conversion process would have consumed many times more power than the processor itself uses," said Dennis Sylvester, an associate professor in electrical and computer engineering.  One way the U-M engineers made the voltage conversion more efficient is by slowing the power management unit’s clock when the processor’s load is light. "We skip beats if we determine the voltage is sufficiently stable," Sylvester said. 

The system, in the process of being commercialized, could enable less-invasive ways to monitor pressure changes in the eyes, brain, and in tumors in patients with glaucoma, head trauma, or cancer, the scientists say. In the body, the sensor could conceivably harvest energy from movement or heat, rather than light. This research, presented 2/10/2010 at the International Solid-State Circuits Conference in San Francisco, was funded by the National Science Foundation, the Defense Advanced Research Projects Agency, the National Institute of Standards and Technology, the Focus Center Research Program and ARM. 

<em>February 2010, TechNewsDaily</em>]]>
   </content>
</entry>
<entry>
   <title>Power Beaming Satellite: “One Lightbulb” Experiment</title>
   <link rel="alternate" type="text/html" href="http://www.thesolarplan.com/news/solar-lighting/power-beaming-satellite-one-li.html" />
   <id>tag:www.thesolarplan.com,2010:/news//1.133</id>
   
   <published>2010-02-17T13:44:19Z</published>
   <updated>2010-02-17T20:04:30Z</updated>
   
   <summary>Space-based solar power has been mostly all-talk - now it’s time to energize the idea with some electrifying experiments! That’s the goal of the “One Lightbulb” project....</summary>
   <author>
      <name>SolarGuy</name>
      <uri>http://www.thesolarplan.com</uri>
   </author>
         <category term="Solar Articles" scheme="http://www.sixapart.com/ns/types#category" />
         <category term="Solar Lighting" scheme="http://www.sixapart.com/ns/types#category" />
         <category term="Solar News" scheme="http://www.sixapart.com/ns/types#category" />
   
   <category term="293" label="electricity from space" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="3" label="lighting" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="44" label="Power" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="287" label="power beaming" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="11" label="solar" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="291" label="solar project" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="289" label="space solar" scheme="http://www.sixapart.com/ns/types#tag" />
   
   <content type="html" xml:lang="en" xml:base="http://www.thesolarplan.com/news/">
      Space-based solar power has been mostly all-talk - now it’s time to energize the idea with some electrifying experiments!  That’s the goal of the “One Lightbulb” project. 

      <![CDATA[December,2009: The Eisenhower Center for Space and Defense Studies at the U.S. Air Force Academy will begin the process of building two small satellites. The bright idea here is demonstrate by doing - that is, power beam between low Earth orbit and the Earth to illuminate a single one-tenth of a watt LED lightbulb. 

The project as now blueprinted involves the building of two satellite systems concurrently, one “heavy” and one “light.” This dual approach using different methods provides a measure of assurance that success can be attained given technical, legal, financial, or other challenges that might bog down one of the two satellite designs. Each satellite would weigh some 400 pounds or less, with the desired launch dates in 2010.

The “heavy” satellite mission represents a more complicated set of tasks and greater expense than its counterpart. It involves placing on orbit a satellite that will collect power and broadcast it to Earth via laser, broadcasting it to a special ground receiving station where a lightbulb would be illuminated.
The “light” satellite mission would receive laser energy from the ground, lighting up a lightbulb. Visual observation of the light on the satellite being illuminated during the laser broadcast will indicate success.

If given the chance, both satellites may fly, said M.V. “Coyote” Smith, leader of the effort and a Colonel in the U.S. Air Force, now a PhD student at the University of Reading in the UK. He is also Associate Director for Space Solar Power Projects at the Eisenhower Center, U.S. Air Force Academy in Colorado Springs.

“We are trying to prevent resource wars by developing yet another source of safe, clean energy that can be shared widely across the planet,” said Smith .

To keep an eye on this energetic idea, along with more details on the project, go to: 

http://spacesolarpower.wordpress.com/

<em>credit:  Leonard David (LiveScience)</em>]]>
   </content>
</entry>
<entry>
   <title>High-Tech Glitter to Create Flexible Solar Panels</title>
   <link rel="alternate" type="text/html" href="http://www.thesolarplan.com/news/solar-news/hightech-glitter-to-create-fle.html" />
   <id>tag:www.thesolarplan.com,2010:/news//1.132</id>
   
   <published>2010-02-11T13:33:22Z</published>
   <updated>2010-02-11T20:21:53Z</updated>
   
   <summary>Researchers have unveiled super-small solar cells no bigger than the pieces of glitter on your holiday ornaments and cards. These highly efficient photovoltaics could be game-changers in the burgeoning field of solar power, allowing arrays of microcells to be placed...</summary>
   <author>
      <name>SolarGuy</name>
      <uri>http://www.thesolarplan.com</uri>
   </author>
         <category term="Solar News" scheme="http://www.sixapart.com/ns/types#category" />
         <category term="Solar Products" scheme="http://www.sixapart.com/ns/types#category" />
   
   <category term="284" label="efficient" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="217" label="future" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="24" label="green" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="252" label="green power" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="285" label="portable" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="11" label="solar" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="228" label="solar cells" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="283" label="solar clothing" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="118" label="solar energy" scheme="http://www.sixapart.com/ns/types#tag" />
   
   <content type="html" xml:lang="en" xml:base="http://www.thesolarplan.com/news/">
      Researchers have unveiled super-small solar cells no bigger than the pieces of glitter on your holiday ornaments and cards. These highly efficient photovoltaics could be game-changers in the burgeoning field of solar power, allowing arrays of microcells to be placed on bendable or curved surfaces and even woven into clothing. 
      <![CDATA[Unlike the conventional, rigid solar cells deployed as flat panels on rooftops, for instance, the new miniscule cells could be encapsulated in flexible plastic and made to fit virtually any object. "With this technology, one can envision ubiquitous [solar-powered] devices," said Greg Nielson, lead investigator at Sandia National Laboratories in New Mexico. 

The prototype versions of the microcells are stored in vials of isopropyl alcohol, and, in keeping with the winter season, if you shake the vials "it does look like a snow globe with flakes swirling around inside," said Nielson, as the tiny, shiny contraptions catch the light. 

<u>How they work </u>
Like most snowflakes, the microcells are six-sided to maximize available space by interlocking like honeycomb, or the panels on a soccer ball.  In the lab, these hexagonal microcells have achieved photovoltaic efficiencies of about 15 percent, denoting the percentage of light shone on them that is converted into harvestable electricity. High-end commercial-grade solar cells can reap about 20 percent currently, though Nielson thinks the microcells can more than match this. 

The microcells, made of the crystalline silicon found in standard solar cells, have already demonstrated higher efficiencies than so-called thin film solar technologies presently being explored that use other, cheaper materials, such as cadmium telluride.  Instead of converting a whole wafer of silicon into a typical solar cell, the Sandia team's manufacturing method yields thousands of microcells on thin slices of the wafer, like when making a microchip for a computer. 

This technique leaves plenty of raw material to produce more microcells and requires 100 times less silicon than for conventional, thicker solar cells, said Nielson. The microcells themselves range in size from 0.00098 to 0.039 inches (25 micrometers to one millimeter) across and from 0.00055 to 0.00079 (14 to 20 micrometers) thick. - For reference, a human hair is about 0.0028 inches (70 micrometers) in width. 

Although the microcell manufacturing process is complex, the material and photovoltaic efficiency of the microcells should still result in reduced costs compared to today's solar power, Nielson said. 
"It's great and important that we reduce cost potential by going this way," Nelson told LiveScience, "but what's more exciting is what you can do with these cells that you can't with anything else." 

<u>Many possibilities</u> 
Making the microcells ultra-thin opens up many possibilities, the researchers say. "You don't have large-area wafers that are rigid and don't bend," said Nelson. This means the microcells are conformable and can be tailor-fitted to objects from building facades to sloping car roofs, much like how smaller-sized tiles can be mortared to make a curved mosaic. 

The tiny solar cells can also be embedded in plastic sheets. The resulting photovoltaic material might then be crafted into tents or store awnings, Nielson suggested. People could also wear miniature solar cells woven into the fabric of their clothing to power personal electronic devices. High photovoltaic efficiency is very important in this case because the limited dimensions of the human body offer relatively little space to capture sunshine, said Nielson. 

<em>Adam Hadhazy  December, 2009 (LiveScience)</em>]]>
   </content>
</entry>
<entry>
   <title>Solar company launches rental program in Boulder, Colorado</title>
   <link rel="alternate" type="text/html" href="http://www.thesolarplan.com/news/colorado/solar-company-launches-rental.html" />
   <id>tag:www.thesolarplan.com,2010:/news//1.131</id>
   
   <published>2010-02-09T00:23:45Z</published>
   <updated>2010-02-09T00:31:07Z</updated>
   
   <summary>BOULDER, CO U.S.A. - A California-based solar company is launching its first residential solar installation in Colorado that will allow customers to take advantage of photovoltaic panels by renting instead of owning them....</summary>
   <author>
      <name>SolarGuy</name>
      <uri>http://www.thesolarplan.com</uri>
   </author>
         <category term="Colorado" scheme="http://www.sixapart.com/ns/types#category" />
         <category term="Solar News" scheme="http://www.sixapart.com/ns/types#category" />
   
   <category term="24" label="green" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="202" label="housing" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="196" label="renewable" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="11" label="solar" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="230" label="solar electric" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="118" label="solar energy" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="223" label="solar financing" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="237" label="solar home" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="120" label="solar tax credit" scheme="http://www.sixapart.com/ns/types#tag" />
   
   <content type="html" xml:lang="en" xml:base="http://www.thesolarplan.com/news/">
      BOULDER, CO  U.S.A. - A California-based solar company is launching its first residential solar installation in Colorado that will allow customers to take advantage of photovoltaic panels by renting instead of owning them. 
      <![CDATA[SunRun is based in San Francisco and already has residential monthly service programs in California, Arizona and Massachusetts. The company, similar to others in the newly growing leasing market, offers an opportunity for people, who cannot pay the $25,000-and-up costs of buying solar, a chance to tap into the renewable energy market. 

"Essentially the homeowner can pay for their solar power through monthly bills whereas if you purchase the system it could be several thousands of dollars up front," Katie Brodnik of SunRun said. 
SunRun installed its solar panels in a Boulder home on Tuesday. The program, called Solar Lease is available to any Xcel customer.

Solar Lease is where homeowners pay SunRun a fixed-rate for the energy the solar panels produce and receive a bill for the remaining power usage from Xcel. Although SunRun promises no up-front costs and savings of up to 10 percent, the company does require an installation fee up to $1,000 and critics of leasing programs say there is no guarantee of savings. 

People who are skeptical of such programs say many companies who offer the residential services count on regular energy prices going up for long-term savings. However, with 75 percent of Colorado's energy coming from coal, officials with SunRun say they believe energy costs  will continue to rise in the state. 

The leasing program requires an 18- to 20-year agreement and homeowners who use the program are not eligible for state and federal tax rebates because SunRun owns the solar panels. SunRun expects to have around 3,000 new customers in Colorado this year. 

<em>credit: KUSA-TV  posted by Dan Boniface, Jessica Zartler   Jan, 2010 </em>

]]>
   </content>
</entry>
<entry>
   <title>Solar Plants Bloom Large in Desert</title>
   <link rel="alternate" type="text/html" href="http://www.thesolarplan.com/news/solar-news/solar-plants-bloom-large-in-de.html" />
   <id>tag:www.thesolarplan.com,2009:/news//1.129</id>
   
   <published>2009-12-23T17:00:22Z</published>
   <updated>2009-12-23T17:11:20Z</updated>
   
   <summary>The barren deserts of Southern California are known for relentless sunshine and miles of empty space -- the perfect combination for the world&apos;s most ambitious solar-energy projects....</summary>
   <author>
      <name>SolarGuy</name>
      <uri>http://www.thesolarplan.com</uri>
   </author>
         <category term="California" scheme="http://www.sixapart.com/ns/types#category" />
         <category term="Solar News" scheme="http://www.sixapart.com/ns/types#category" />
   
   <category term="278" label="electricity" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="275" label="heat" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="276" label="nitrogen" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="11" label="solar" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="277" label="solar panel" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="274" label="sterling" scheme="http://www.sixapart.com/ns/types#tag" />
   
   <content type="html" xml:lang="en" xml:base="http://www.thesolarplan.com/news/">
      The barren deserts of Southern California are known for relentless sunshine and miles of empty space -- the perfect combination for the world&apos;s most ambitious solar-energy projects. 

      <![CDATA[Two Southern California utility companies are developing a pair of sun-powered power plants that they claim will dwarf existing solar facilities and could rival fossil-fuel-driven power plants. 

Southern California Edison and San Diego Gas & Electric are working with Stirling Energy Systems, a Phoenix startup that has paired a large and efficient solar dish with a 200-year-old Stirling engine design. 

Stirling Energy Systems is planning to build two separate solar farms, one with the capacity to generate 500 megawatts of electricity in the Mojave Desert near Victorville, California, for SoCal Edison, and a 300-megawatt plant in the Imperial Valley, near Calexico, California, for SDG&E. The utilities have signed 20-year deals to buy all the juice the farms can turn out, and have options to expand the plants if they are successful. 

"Without question, this will be the largest solar project in the world" said Gil Alexander, a spokesman for SoCal Edison. "It is bigger than all U.S. solar-energy projects combined." 

Alexander said traditional coal or gas plants typically generate 500 to 1,000 megawatts, and that current solar farms are much smaller --generally in the 35 - to 80 megawatt range. At the end of 2004, the United States had only 397 megawatts of solar-energy capacity, according to the U.S. Department of Energy's Energy Information Administration. 

Instead of using panels of photovoltaic cells, solar power's mainstay technology for decades, Stirling Energy Systems uses 40-foot-tall curved dishes that focus the sun's energy onto Stirling engines. 

Also called an external heat engine, the Stirling engine is a completely sealed system filled with hydrogen. Its design dates to 1816, and it's named for its inventor, a Scottish minister named Robert Stirling. The focused solar energy, which can reach 1,350 degrees Fahrenheit, heats the hydrogen, making it expand and drive the engine's four pistons. 

Though Stirling engines have been around for almost two centuries, there have been few efforts in the past to harness the sun to run them, said Stirling Energy Systems CEO Bruce Osborn. 

Osborn said the Stirling dishes are 30 percent efficient - 30 percent of the sun's energy is converted into electricity - which is two to three times as efficient as conventional photovoltaic cells. 

"Solar panels are more common, and they have gotten more efficient, but they still have a long way to go," he said. 

Osborn said his company's dishes are easy to maintain because the engine is a closed system that never needs to be refilled - an important factor for a large-scale facility in the middle of the desert. In fact, the only resource it consumes is "a little bit of water to wash the mirrors off every few weeks " he said. 

The company is operating a 6 dish test site at Sandia National Laboratories to showcase the concept, but the SoCal Edison and SDG&E plants are Stirling Energy Systems' first commercial contracts. 

The first phase of the SoCal Edison project will be to build a 1-megawatt test site using 40 dishes, which should be complete by spring 2007. Construction on the full, 500-megawatt facility is expected to begin in mid-2008, and should take three to four years. Each dish can produce up to 25 kilowatts, and the site will eventually have 20,000 dishes stretching across 4,500 acres of desert. 

Stirling plans to begin construction on SDG&E's 300-megawatt project in late 2008, and it should take about two years to install the 12,000 dishes covering about 2,000 acres. 

None of the companies would give a price for building the solar sites or disclose the rates the utilities will pay for power, but both said the cost would be similar to traditional coal or gas. 

But as oil prices go up, so could the cost of electricity from fossil fuels. 

"Soon, solar may be less expensive," Osborn said. 

Joel Makower, co-founder of market-research firm Clean Edge, said Stirling Energy Systems' solar-thermal power systems are impressive but unproven. One promising sign is the utility companies' level of commitment to the new technology. 

"This is all on paper so far," he said.  "They haven't delivered anything yet. And until they do, we can't say what it will cost."  Still, Makower said he was optimistic. 

"Photovoltaic was the first-generation, utility-scale solar technology," he said. "The Stirling engine looks like it will be the second generation."


<em>Credit: Will Wade  </em>]]>
   </content>
</entry>
<entry>
   <title>Plastic Sheets Convert Light into Energy</title>
   <link rel="alternate" type="text/html" href="http://www.thesolarplan.com/news/solar-news/plastic-sheets-convert-light-i.html" />
   <id>tag:www.thesolarplan.com,2009:/news//1.125</id>
   
   <published>2009-10-27T03:44:56Z</published>
   <updated>2009-10-27T03:56:00Z</updated>
   
   <summary>The Army is bringing to the battlefield flexible plastic sheeting that converts light into energy....</summary>
   <author>
      <name>SolarGuy</name>
      <uri>http://www.thesolarplan.com</uri>
   </author>
         <category term="Solar Articles" scheme="http://www.sixapart.com/ns/types#category" />
         <category term="Solar News" scheme="http://www.sixapart.com/ns/types#category" />
   
   <category term="25" label="Green" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="21" label="photovoltaic" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="11" label="solar" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="228" label="solar cells" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="230" label="solar electric" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="118" label="solar energy" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="80" label="Solar Energy" scheme="http://www.sixapart.com/ns/types#tag" />
   
   <content type="html" xml:lang="en" xml:base="http://www.thesolarplan.com/news/">
      The Army is bringing to the battlefield flexible plastic sheeting that converts light into energy. 
      <![CDATA[Technology that could someday find its way into the casing of laptops or even clothing to power portable devices. Konarka Technologies Inc. has a $1.6 million contract with the Army, which hopes to lighten the load for troops who must lug around batteries to power everything from night vision goggles to GPS units. 

Troops could recharge devices by connecting them with energy-converting plastic sheets, replacing disposable batteries and easing logistical requirements in remote settings, according to the Army's Natick-based Soldier Systems Center. The sheeting also could be woven into sunlight-soaking tents, reducing the need for diesel fuel for noisy, polluting generators. Lowell-based Konarka is among the developers of next-generation photovoltaic technology that seeks to improve on rigid, glass-panel solar cells. 

Advances in semiconducting materials allow for lower-cost production of lightweight solar cells that can be woven into plastics and textiles --including camouflage-patterned materials Konarka is developing for the Army. Konarka is working with partners on commercial applications, said Daniel Patrick McGahn, an executive vice president. He offered no predictions when such products would reach the market

<em>Credit::  Associated Press</em>]]>
   </content>
</entry>
<entry>
   <title>Solar Shingles Could Power Tomorrow&apos;s Homes</title>
   <link rel="alternate" type="text/html" href="http://www.thesolarplan.com/news/hot-solar-products/solar-shingles-could-power-tom.html" />
   <id>tag:www.thesolarplan.com,2009:/news//1.124</id>
   
   <published>2009-10-20T22:37:30Z</published>
   <updated>2010-04-20T03:15:11Z</updated>
   
   <summary>Tired of your roof just soaking up rays and not pulling its load? You&apos;re not alone....</summary>
   <author>
      <name>SolarGuy</name>
      <uri>http://www.thesolarplan.com</uri>
   </author>
         <category term="Hot Solar Products" scheme="http://www.sixapart.com/ns/types#category" />
         <category term="Outside the Home" scheme="http://www.sixapart.com/ns/types#category" />
         <category term="Solar News" scheme="http://www.sixapart.com/ns/types#category" />
   
   <category term="24" label="green" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="81" label="greenpower" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="205" label="roofs" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="203" label="savings" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="11" label="solar" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="118" label="solar energy" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="237" label="solar home" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="120" label="solar tax credit" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="99" label="sun" scheme="http://www.sixapart.com/ns/types#tag" />
   
   <content type="html" xml:lang="en" xml:base="http://www.thesolarplan.com/news/">
      Tired of your roof just soaking up rays and not pulling its load? You&apos;re not alone. 
      <![CDATA[Increasing numbers of people are putting their roofs to work generating electricity. And that does not necessarily mean installing unsightly steel-and-glass solar energy modules. Today you can get photovoltaic shingles (or tile, or slate) that will do the job and still look like a roof. 

For instance, the National Institute of Standards and Technology has been testing various forms of photovoltaic roofing products for the past year on roofs in Maryland to calibrate their output. Brian Dougherty, project manager, said the test includes tile (popular in the Southwest), slate (popular in Europe) and shingle (popular everywhere). All of them have inactive areas where the roofer can drive nails and not short out any circuits. 

The result of the NIST test, will be a technical report on the underlying technologies rather than a buyer's guide to brand names, Dougherty said. But he said that efficiency ranges from 6 percent of the incoming solar power being converted to electricity, to about 16 percent.  "Shingles are just getting started ---most of the market is still roof-mounted modules," cautioned Paul Maycock, president of Photovoltaic Energy Systems Inc. in Williamsburg, VA. And he was not sure that the situation would ever change dramatically, since most existing roofs were not designed with solar energy in mind. 

<u>Working roofs </u>
"You look for a south-facing roof that is not shadowed by trees or by another building, and you cover it as best you can,"Maycock said. Solar energy modules can be mount on racks on the roof to catch the sun to best advantage, although the results may be quite unsightly.  "With shingles, you are stuck with the roof you have, and with the less-desirable results that it gives you. So in many cases you just don't do it," Maycock said.  

So it's no surprise that most of the photovoltaic (PV) roofs are in new upscale residential construction in the sunny Southwest, where the cost of a PV roof (about $14,000 for 2 kilowatts of capacity, according to Maycock’s figures) would fit in the mortgage's round-off error. 

<u>Taxes and power </u>
Additionally, California and New Jersey offer tax credits that actually make solar power economically sensible, Maycock added. (Other states offer less juicy tax credits, and the Federal taxman offers one that caps out at $2,000.)  Maycock figures that the cost of electricity from a PV roof is about 40 cents per kilowatt hour, but that tax credits can reduce that figure to 20 cents. The national average for utility power is 12 cents, but the price ranges between 16 and 21 cents in California, and as high as 24 cents in parts of New York State, he said.  To make PV roofing pay, the local utility must also offer "net metering" meaning that your power meter can run backward while your roof is sending excess power to the grid, reducing your bill. (Even with a south-facing PV roof, 70 to 80 percent of an average home's power will still have to come from the utility company.) Net metering is available in about 20 states, Maycock noted. 

<em>Credit: Lamont Wood, Special to LiveScience</em>]]>
   </content>
</entry>
<entry>
   <title>18% Efficiency achieved with Silicon Ink Solar Cell </title>
   <link rel="alternate" type="text/html" href="http://www.thesolarplan.com/news/solar-news/18-efficiency-achieved-with-si.html" />
   <id>tag:www.thesolarplan.com,2009:/news//1.123</id>
   
   <published>2009-09-09T16:44:00Z</published>
   <updated>2009-09-09T16:49:17Z</updated>
   
   <summary>Innovalight Inc. said this week that it has demonstrated a record 18% conversion efficiency with silicon-ink processed solar cells...</summary>
   <author>
      <name>SolarGuy</name>
      <uri>http://www.thesolarplan.com</uri>
   </author>
         <category term="Solar Articles" scheme="http://www.sixapart.com/ns/types#category" />
         <category term="Solar News" scheme="http://www.sixapart.com/ns/types#category" />
   
   <category term="24" label="green" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="21" label="photovoltaic" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="11" label="solar" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="228" label="solar cells" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="230" label="solar electric" scheme="http://www.sixapart.com/ns/types#tag" />
   <category term="118" label="solar energy" scheme="http://www.sixapart.com/ns/types#tag" />
   
   <content type="html" xml:lang="en" xml:base="http://www.thesolarplan.com/news/">
      Innovalight Inc. said this week that it has demonstrated a record 18% conversion efficiency with silicon-ink processed solar cells
      <![CDATA[The industry standard size solar cell results were independently certified by the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) and The Fraunhofer Institute for Solar Energy Systems (ISE) in Germany. 

Innovalight is currently working with a number of solar cell manufacturing companies and is ramping production of silicon ink at its site in Sunnyvale, California. The company is developing technologies based on silicon ink to ultimately bring conversion efficiencies of crystalline silicon solar cells to over 20 percent.  

"Recently, NREL verified 18% efficiency which is a very significant achievement," said Martha Symko-Davies, senior program manager at NREL. "We also are pleased that Innovalight has recently been awarded a $3 million Technology Incubator subcontract through the National Renewable Energy Laboratory, funded under the Department of Energy."

Innovalight said that its proprietary silicon ink and processing technologies allow crystalline silicon solar cell manufacturers to boost output capacity, solar cell performance as well as reduce costs with a simplified additional step to already installed manufacturing lines. Crystalline silicon solar cell technology accounts for 86% of the commercial solar panel market today, according to Paula Mints, principal analyst for Navigant Consulting Inc.

<em>RenewableEnergyWorld.com   September 9, 2009 </em>]]>
   </content>
</entry>
<entry>
   <title>Powerful Ideas: Spray-On Solar Cells</title>
   <link rel="alternate" type="text/html" href="http://www.thesolarplan.com/news/solar-news/powerful-ideas-sprayon-solar-c.html" />
   <id>tag:www.thesolarplan.com,2009:/news//1.122</id>
   
   <published>2009-09-09T15:57:48Z</published>
   <updated>2009-09-09T16:06:26Z</updated>
   
   <summary>Solar cells soon could be painted onto the sides of buildings or rooftops with nanoparticle inks, according to one chemical engineer....</summary>
   <author>
      <name>SolarGuy</name>
      <uri>http://www.thesolarplan.com</uri>
   </author>
         <category term="Solar Articles" scheme="http://www.sixapart.com/ns/types#category" />
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   <category term="252" label="green power" scheme="http://www.sixapart.com/ns/types#tag" />
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   <category term="228" label="solar cells" scheme="http://www.sixapart.com/ns/types#tag" />
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      Solar cells soon could be painted onto the sides of buildings or rooftops with nanoparticle inks, according to one chemical engineer. 
      <![CDATA[The new nano-ink process could replace the standard method of manufacturing solar cells, which requires high temperatures and is relatively expensive, said Brian Korgel of the University of Texas at Austin.  "The sun provides a nearly unlimited energy resource, but existing solar energy harvesting technologies are prohibitively expensive and cannot compete with fossil fuels," Korgel said. 

Also called photovoltaic cells, solar cells convert sunlight directly into electricity and are typically made from silicon, although other materials that are flexible are gaining steam. Solar panels used to power homes and businesses each consist of 40 or so of these cells, according to the National Renewable Energy Laboratory (NREL).  Rather than silicon, the inks developed by Korgel's team are made up of copper indium gallium selenide (CIGS) -- sunlight-absorbing nanoparticles that are 10,000 times thinner than a strand of hair. 

"We make a solution of these nanocrystals, and we spray paint them onto a substrate," said Matthew Panthani, a doctoral student and graduate research assistant in Korgel's lab.  The team envisions printing such inks in a newspaper-like process. "We'd have some sort of flexible substrate, maybe plastic or metal foil, and it would be on a spool and be unrolled. And the nano-crystals would be sprayed on,' Panthani told LiveScience.  So far, they have developed solar-cell prototypes that can convert 1 percent of the sunlight that hits the cell into electricity. 

"If we get to 10 percent, then there's real potential for commercialization," said Korgel, who co-founded the Calif.-based company Innovalight, which is currently producing silicon-based inks. "If it works, I think you could see it being used in three to five years."  But there's still a lot of work ahead. "It shows that there is potential but there's still a lot of research that needs to be done to figure out how to get 10 percent," Panthani said. 

The prospect of painting these inks onto a rooftop or building is not far-fetched, the researchers say. In addition, the inks are semi-transparent, and so could some day be used to develop windows that double as solar cells, the researchers say.   The research, which was published in a recent issue of the Journal of the American Chemical Society, was funded by the National Science Foundation, the Welch Foundation and the Air Force Research Laboratory.

<em>08/24/2009 Jeanna Bryner, LiveScience Senior Writer </em>]]>
   </content>
</entry>

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