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July 05 2011


G.E. Bursts into the Solar Panel Field Equipped to Succeed

GE enters the thin-film solar panel market in a big wayGuest Post by Kriss Bergethon

General Electric is planning the largest solar panel factory in the United States, looking to get into the growing “green” industry in a big way, and on an accelerated timeline.

According to Victor Abate, vice president for G.E.’s renewable energy business, the news follows G.E.’s ongoing investments in solar panels, and takes their efforts to a much larger scale than ever before.

G.E. is leveraging their presence in Colorado, setting up the factory there, and bringing direct and indirect employment to about 1,000 people. The new factory will provide employment for 400 workers and create 600 jobs in related business nearby.

Having acquired Arvada-based PrimeStar Solar Inc., G.E. is off to a running start with a factory that is already tooled for highly economical thin-film solar panels. The panels are certified by the National Renewable Energy Lab as the most efficient of their kind. The factory will manufacture thin-film photovoltaic panels, made of cadmium telluride, by 2013.

Cadmium telluride panels are less efficient than ordinary ones, but can be produced at a lower cost. G.E. will manufacture the most efficient cadmium telluride panels currently possible, and because of the relatively low expense, expects to produce a high volume annually. There is a healthy market for cadmium telluride panels among utility providers and other large-scale operators.

With this announcement, G.E. is signaling again that it is serious about increasing its energy business. G.E. already holds large stakes in nuclear power and natural gas. Recent expansion in these energy sources has been largely through acquisitions.

According to Abate, G.E. will be a cost leader and a technology leader. “We’re excited about our position in a 75 gigawatt solar market over the next five years,” he added.

G.E. is not alone in pursing the solar panel business, which is very competitive. One major player is Arizona-based First Solar, the market leader in thin-film panel manufacturing. Abound Solar, another competitor, is rapidly adding manufacturing capacity for its cadmium telluride panels. The company recently took out a $400 million federal loan guarantee to fund their expansion.

G.E. won’t be applying for federal loan guarantees like Abound Solar has. Instead, they plan to explore state and federal manufacturing tax credits to expand as needed.

G.E.’s manufacturing roll-out will be small compared to First Solar’s level of production. G.E.’s Abate said his company’s solar efforts can grow swiftly, as happened with their wind energy business. Abate told the New York Times, “It’s a $6 billion platform and it was a couple of hundred million dollars in ’02,” regarding G.E.’s wind division. “G.E. is very good at scale. In ’05, we were building 10 turbines a week. By ’08, we were doing 13 a day.”

G.E. faces competition from low-cost, government-subsidized Chinese manufacturers. Without similar cash subsidies available to them in the U.S., G.E. will deal with low cost international competitors as it does already in the wind business.


Kriss Bergethon is a writer and solar expert from Colorado, visit his site at Solar Panels

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Reposted by02mydafsoup-01 02mydafsoup-01

January 18 2011


Fools Gold May Not Be So Foolish for Solar Energy

Pyrite may prove invaluable for the solar industryPyrite, also known as fool’s gold, was the stuff of heartbreak for many a gold miner. Mimicking the look of the precious gold they were after, Pyrite was considered  essentially worthless.  But for the solar energy industry, Pyrite just may turn into a pot of gold.

Researchers at the University of California Irvine are working towards using the plentiful mineral to create a solar receptive film at a cost far lower than that of using rare earth minerals.

“With alternative energy and climate change issues, we’re always in a race against time,” said lead researcher Matt Law. “With some insight and a little bit of luck, we could find a good solution with something that’s now disposed of as useless garbage.”

Commercial solar cells require expensive and possibly toxic materials such as cadmium telluride and silicon as the core of a solar cell, and often those materials come from China. Alternatively, pyrite is cheap and ubiquitous.

The concept isn’t new. German researchers laid the foundation for using pyrite as a solar receptor back in the 1980′s and 90′s. There wasn’t too much interest then, and financing for continued research was hard to find.

And further research is needed if there is any real chance of pyrite rolling out as a commercial substitute for cadmium or silicon. One major challenge is pyrite has a low voltage potential due to microscopic pits in the mineral’s surface that “trap” electrons and reduce conductivity.

As with many a potential solution to our unsustainable energy economy, getting it out of the lab and into commercial use is “a lot more difficult than people seem to think,” says Shyam Mehta, a solar industry analyst with GTM Research.

But the current research is about meeting that challange:

“Our goal is to use modern tools, new synthetic approaches, mathematical models, and a multi-disciplinary research team to fix pyrite’s low voltage,” Law said.

Currently, the research is founded by a three-year grant from the National Science Foundation’s solar initiative.

Additional Sources and further reading
Los Angeles Times
Clean Energy Authority
ClimateWire (subscription required)

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