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SEIA Solar Update
 
 

Boosting the power of solar cells
MIT Energy Initiative    Share   Share on FacebookTwitterShare on LinkedinE-mail article
New ways of squeezing out greater efficiency from solar photovoltaic cells are emerging from computer simulations and lab tests conducted by a team of physicists and engineers at MIT. Using computer modeling and a variety of advanced chip-manufacturing techniques, they have applied an antireflection coating to the front, and a novel combination of multi-layered reflective coatings and a tightly spaced array of lines -- called a diffraction grating -- to the backs of ultrathin silicon films to boost the cells' output by as much as 50 percent. More



A path to cheaper solar energy: Big mirrors by Alcoa
BNET    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Over the past few months, there has been a lot of talk about how to make a certain kind of solar energy, called solar thermal, cheaper. The big cost in solar thermal comes from the price of the mirrors used to reflect sunlight onto an enclosed liquid -- often water -- which boils to drive turbines. Mirrors, it turns out, only seem cheap until you need to buy a few hundred thousand of them. More

A recipe for solar energy: Learning from nature
MIT Energy Initiative    Share    Share on FacebookTwitterShare on LinkedinE-mail article
For the past 20 years, MIT Professor Daniel G. Nocera of chemistry has been working on a novel system for producing pollution-free energy in real time without adding fuel. In his system, a tub of water containing specially designed chemicals sits in the sunshine. Gaseous hydrogen and oxygen rise from the water, pass through a power-producing fuel cell, then recombine to replenish the water in the tub. More

Our Commitment to Renewable Energy
As active members of SEIA, we are committed to ensuring the future of our renewable energies through securing insurance programs for clients in the solar, wind, fuel cell and other alternative energy sources. MORE


Wind, solar energy IPOs may rise this year
Bloomberg    Share    Share on
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Renewable energy companies may tap financial markets for more funds this year instead of looking to mergers with utilities as a way of funding expansion, said Morgan Stanley, manager of the most initial public offerings for the industry in 2009. More

Building solar cells from ribbons
MIT Energy Initiative    Share    Share
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Reducing the cost of solar power requires slashing the cost of manufacturing the silicon wafers on which solar cells are built. A technique first proposed in the 1980s by Professor Emanuel M. Sachs of mechanical engineering is doing just that by doubling the number of wafers made per pound of expensive silicon. More



Going solar in Pa. no walk in the sun
Philadelphia Business Today    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Conditions in the Fort Washington Office Park were all too familiar: wet. Where Commerce and Delaware Drives intersect, ducks bobbed across a field turned into a small pond by last weekend's three inches of rain. But a little deeper inside the 563-acre complex of 340 businesses, Missy Quinn and Tom Emig were up on a roof talking about something that doesn't get a lot of attention in the flood-prone park: the sun. More

Egypt to host Dutch solar materials plant
The Africa Report    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Egypt is to host a factory producing raw materials and gas used to generate solar energy, with $460 million of investments in total. Egypt is giving priority to boosting its renewable energy output and Investment Minister Mahmoud Mohieldin said he supports the project, according to state news agency MENA, which said the factory will be run by a Dutch company it did not name. More

Quick Mount PV - The Standard for Waterproof Roof Mounts
Don't risk your reputation for quality solar installations by using inadequate flashing. Quick Mount installs faster and is 100% code-compliant. Models for composition, shake and tile roofs.  MORE


Chevron plans solar panel installation
Reuters    Share    Share on FacebookTwitterShare on LinkedinE-mail article
U.S. energy giant Chevron Corp is set to announce the installation of 7,700 solar power panels near Bakersfield, Calif., which is expected to produce 740 kilowatts of electricity. More

GE places solar bets on thin-film cells
CNET News    Share    Share on FacebookTwitterShare on LinkedinE-mail article
General Electric, which has long made solar panels using traditional silicon, is converting to thin-film cells, using the same material as industry cost leader First Solar. The company's research organization detailed its activities with cadmium telluride solar cells, which the company has determined offers the most potential to lower solar power costs. More
 


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SEIA Solar Update
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