Just stick this portable outlet to your window to start using solar power
It’s a portable socket that gets its power from the sun rather than the grid. You plug into a window instead of into the wall. It’s easy.
That was the whole point, according to the designers, Kyohu Song and Boa Oh: “We tried to design a portable socket, so that users can use it intuitively without special training,” they write.
It is really simple. The portable socket attaches to a window like a leech to human skin. On its underside, it has solar panels:
The solar panels suck energy from the sun. The charger converts that energy into electricity. You plug in to the charger.
Even better, the charger stores that energy. After five to eight hours of charging, the socket provides 10 hours of use. You can pop it off the window, stick it in your bag, and use it to charge up your phone with solar energy, even if you’re sitting in a dark room.
China investigated for EU solar panel activity
China is accused of selling solar panel components to European consumers at prices below fair market value, the European Commission said.
The commission announced it opened an anti-subsidy investigation following a complaint from solar association EU ProSun Glass, which said solar glass from China is subsidized and then sold in the European Union at less than market prices.
The solar glass market in the European Union is valued at about $260 million.
The commission has launched at least two investigations into alleged dumping of solar panel components like solar glass sold in the European Union by Chinese manufacturers. The European Commission said the latest investigation is its own distinct investigation.
The investigation is expected to take more than a year, "although under trade defense rules the EU could impose provisional anti-subsidy duties within nine months if it considers these necessary," the commission said.
American Wind Energy Association names Tom Kiernan CEO
The announcement was made by the Chair of AWEA's Board of Directors, Tom Carnahan. "Bringing Tom Kiernan aboard as CEO represents a huge win for AWEA and another step forward in our efforts to elevate wind energy's role as a critical national resource," said Carnahan.
"Tom brings the right combination of bipartisan, practical experience at the national and state levels as well as in small, rural communities where wind energy is most often developed. His respected management style and significant executive abilities, combined with his skills as a communicator, will ensure that AWEA's voice and potential are leveraged not only in Washington but, even more importantly, in the communities in which our members operate," Carnahan said.
Kiernan commented, "I am honored and excited to take on this role at such a critical time in our nation's history. With wind energy building over 40 percent of new electrical generation in the U.S. last year, the massive public support for more renewable energy, and the recent extension of the Production Tax Credit (PTC) by Congress and the President, we have a unique opportunity to work together to make wind energy a more integral part of our national energy portfolio."
Solar jobs outnumber ranchers in Texas, actors in California
There are more solar energy workers in Texas than there are ranchers. In California, they outnumber actors, and nationwide, America has more solar workers than coal miners.
Those stats come from solar research group The Solar Foundation, which rolled out a map last week showing which states have the most solar jobs. Unsurprisingly, sunny states like California and Arizona are near the top of the list. But some Northern states like New Jersey and Michigan -- not known for their splendid weather -- also show a high number of solar jobs.
What those states lack in climate they make up for in high electricity prices and favorable tax and regulatory policies, which attracts solar developers, said Andrea Luecke, executive director of The Solar Foundation.
Solar supporters are going on the offensive about their field's jobs angle. The industry receives considerable government support, and talking about its employment advantages broadens the conversation beyond global warming.
ABB bets on solar power with $1 billion takeover
Swiss industrial group ABB ( ABBN.VX ) is to buy U.S. solar energy company Power-One Inc ( PWER.O ) for about $1 billion, betting that growth in emerging markets will revive a sector ravaged by overcapacity and weakening demand in recession-hit Europe.
The world's biggest supplier of industrial motors and power grids said on Monday it had agreed to pay $6.35 per share in cash for Power-One, the second-largest maker of solar inverters that allow solar power to be fed into grids.
The offer price is 57 percent above Power-One's closing price on Friday, boosted by $266 million in net cash held by debt-free Power-One. Stripping out its cash pile, Power-One's enterprise value stands at $762 million, valuing the bid at a more modest 6.4 times 2012 core earnings.
The Solar Cell That Turns 1 Photon into 2 Electrons
Solar cells are picky. If an incoming photon has too little energy, the cell won’t absorb it. If a photon has too much, the excess is wasted as heat. No matter what, a silicon solar cell can never generate more than one electron from a single photon. Such harsh quantum realities severely limit the conversion efficiency of photovoltaic cells, and scientists have spent decades looking for work-arounds.
Now, researchers at the Massachusetts Institute of Technology’s Center for Excitonics have published a compelling case that the key to greater solar efficiency might be an organic dye called pentacene. In today’s issue of Science Daniel Congreve, Jiye Lee, Nicholas Thompson, Marc Baldo and six others show that a photovoltaic cell based on pentacene can generate two electrons from a single photon—more electricity from the same amount of sun. Scientists have suspected for some time that this might work; today’s paper is proof of concept.
The key is a phenomenon called singlet-exciton fission, in which an arriving photon generates two “excitons” (excited states) that can be made to yield two electrons. Previous researchers had accomplished similar tricks using quantum dots (tiny pieces of matter that behave like atoms) and deep-ultraviolet light. “What we showed here,” Baldo says, in addition to using visible light, “is that [this process] works very, very effectively in organic materials.” Full Article:
Peel-And-Stick Solar Power
Peel-and-stick, or water-assisted transfer printing (WTP), technologies were developed by a group at Stanford and have been used before for nanowire based electronics. A new partnership between Stanford University and the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) has conducted the first successful demonstration using actual thin film solar cells, NREL principal scientist Qi Wang said.
The university and NREL showed that thin-film solar cells less than one-micron thick can be removed from a silicon substrate used for fabrication by dipping them in water at room temperature. Then, after exposure to heat of about 90°C for a few seconds, they can attach to almost any surface.
Wang met Stanford's Xiaolin Zheng at a conference last year where Wang gave a talk about solar cells and Zheng talked about her peel-and-stick technology. Zheng realized that NREL had the type of solar cells needed for her peel-and-stick project. Full Article:
Largest Wind Farm In Southern Hemisphere Opens Down Under
The 420 megawatt Macarthur wind farm was opened in the state of Victoria on Friday. It is the largest wind farm in the southern hemisphere and its 3 megawatt Vestas turbines are the largest in Australia. The Mcarthur Wind Farm is actually the first project to use Vestas’ V112-3.0 MW wind turbines. The project’s expected operating capacity is 35% and its cost was almost exactly one billion dollars.
One billion dollars may sound like a lot of money, probably because it is, but that doesn’t mean it’s not a good deal. The wind farm has an operating life of 25 years and if a 5% discount rate is used for the cost of money, it will generate electricity at about 6 cents a kilowatt-hour. While this is slightly higher than the average price of electricity generated from coal in Australia, it does have the very large advantage of being non-fatal on both the personal and planetary scales. It’s also cheaper than electricity from new coal plants and is a major reason why Australia is extremely unlikely to ever build any new coal capacity.
Why First Solar is buying a silicon solar cell startup no one's heard of
First Solar is buying an under-the-radar startup called TetraSun to add expertise around silicon solar cell manufacturing to its technology portfolio, which until now has focused on using the material cadmium telluride to make solar cells.
The Arizona-based thin film solar giant announced the pending acquisition on Tuesday during its analyst day — its first since 2009 — in which it laid out a persuasive technology and business development plan for the next five years. Investors liked what they heard and pushed the company’s stock up by nearly 50 percent during trading.
So why TetraSun? Apparently Silicon Valley-based TetraSun has some disruptive silicon cell designs that set it apart from the rest of the silicon solar companies. Its designs require fewer manufacturing steps to produce conventional silicon cells, and eliminates the need for silver and transparent conductive oxide. Silver is used to transport electricity produced by the cells, while the oxide is a coating that protects the cells and helps the semiconductor material (such as silicon or cadmium telluride) to grab the light more effectively to produce electricity.
First Solar claims that TetraSun’s cells also can perform better in hot climates than conventional silicon cells. That feature will make solar panels with TetraSun’s cells more desirable in places like the Middle East and India, two markets with a lot of potentials for growth. First Solar says it plans to start making TetraSun’s cells in the second half of 2014.
California sets windpower-generation record, says Cal ISO
The Folsom-based California Independent System Operator, which operates the state's wholesale electricity transmission grid, said today that wind power turbines on the grid set a new record of 4,196 megawatts on Sunday.
The record came at 6:44 p.m. That mark came on the heels of Friday's passing of the 4,000-megawatt threshold.
Previously, the ISO's all-time record peak output for wind energy was 3,944 megawatts on March 3.
"With these impressive wind-production levels, California is well positioned to meet the 33 percent by 2020 green power goal," said ISO President and CEO Steve Berberich. "Our control center operators are tracking a steady increase in renewable energy ... "
Currently, ISO said there is a total of 5,899 megawatts of wind plant capacity installed within the California grid.
California is the nation's second largest producer of wind power, trailing only Texas.
ISO said that Texas, which has a current wind-generation peak capacity of 10,407 megawatts, reached a record peak of 9,481 megawatts on February 9.
Wind Turbine Inspection Robots
Helical Robotics, HR-MP20 Magnetic Platform Lifting Vehicle
Lightweight and portable design for easy deployment, use, and transport.
Mecanum wheel drive system offers best in class maneuverability.
Magnetic adhesion system does not contact the work surface.
BrightSource shelves second major solar project this year
BrightSource Energy on Wednesday shelved a major solar power project in California for the second time this year.
In a document filed with the California Energy Commission, BrightSource said it "has determined there is a need to suspend" its application to permit the 500 megawatt Hidden Hills solar thermal power project until further notice.
The company did not give a reason for the suspension, and company officials were not immediately available for comment.
BrightSource, based in Oakland, said it will continue to evaluate the project, which was to be located in Inyo County near the Nevada border.
In January, BrightSource suspended its 500 MW Rio Mesa project in Riverside County, California after multiple delays in the permitting process.
Late last year, CEC staff said the Hidden Hills project would have "significant" impact on the environment, adding that the use of photovoltaic solar panels "would be environmentally superior" to BrightSource's solar thermal technology.
BrightSource disputed those claims at recent hearings, and the CEC was expected to issue a final decision on the project later this year.
Solar panel robot doesn't need water to clean
Saudi Arabia wants to spend over $100 billion to build vast solar arrays and reduce its dependency on oil to generate electricity. But desert sandstorms pose a major challenge to keeping solar panels clean and efficient.
Japanese startup Miraikikai is developing a solution to getting rid of this pesky dust and grit: a cleaning robot that doesn't need water.
The firm has produced the Wall Walker wall and ceiling robot, and recently unveiled a prototype solar panel cleaner built with researchers at Kagawa University.
It weighs about 24 pounds -- light enough to be carried by one person -- and measures about 22 inches across.
It cleans with a rotating brush and can operate for up to two hours on a battery charge.
The robot's efficacy has been demonstrated in arid regions, Miraikikai said in a release, and the machine can clean panels as well as human workers.
Making optimal use of the device would result in low-cost cleaning even in areas with relatively cheap labor costs.
Eagle death at Nevada wind farm brings federal scrutiny
A single dead eagle could spell trouble for a White Pine County wind farm that sells power to NV Energy.
The U.S. Fish and Wildlife Service is conducting an investigation after a golden eagle was killed in late February at the Spring Valley Wind Farm, about 300 miles north of Las Vegas.
San Francisco-based Pattern Energy, which owns the 152-megawatt wind energy project, reported the dead bird and turned it over to federal authorities within 36 hours of its discovery.
“They did all the things they were supposed to because of an eagle death,” said Jeannie Stafford, spokeswoman for the Fish and Wildlife Service in Nevada.
Even so, the wind farm could face a fine of up to $200,000 because it does not hold a federal “take” permit that would allow the incidental death of a golden or bald eagle.
Stafford said the matter is under investigation by the service’s Office of Law Enforcement.
This Company Is Kickstarter for Solar Power
Here's how Mosaic works: Investors contribute a minimum of $25 to a project. Over the next 5 to 10 years—depending on the project—the investors will make that money back, plus interest. The return on the investment ranges from 4.5 to 6.4 percent annually, depending on the project. They can support projects in any state, but right now only accredited investors and people in New York and California can invest in the projects, due to regulatory barriers in other states. In order to qualify, projects must be for organizations that are financially stable, have adequate insurance, and benefit the wider community in some way. Recent projects include affordable housing projects, a convention center, several nonprofits, a grocery store, and a Native American reservation.
Mosaic's founders want to do for solar energy what Kickstarter has done for bands and independent films, or what Kiva has done for upstart projects in the developing world. But Mosaic's model goes beyond most other crowdsourcing sites, by not only allowing supporters to invest in the solar project but also make a profit doing so.
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