Solar power is the biggest and fastest growing sector in the renewable energy market as it's expected to become an affordable and feasible alternative to fossil fuels. Korea is making increasing use of this energy source. but it is going to be a global player For this week's Industry Insight, here's Song Jisun. This is the biggest solar power plant in the capital that started operating this summer. It's equivalent to 13 football fields with a capacity of 5point6 megawatts enough for 22hundred households a year. Solar energy is quickly rising as the next.
Generation of renewable energy here in Korea accounting for 98 percent of all renewable power plants built in the first half this year. This solar panel system has been set up on the roof of this waterfiltering plant and we have completed a couple of other solar power facilities like this for the Seoul Metropolitan Government. It's fully operational even on cloudy days and only takes three months to install and operate. The market for these solar facilities is booming in Korea. with most being bulit by government or public agencies. Over the past decade. solar energy has emerged.
As the world's biggest source of renewable energy, overtaking wind power. Last year alone it created half of total electricity generated from renewable energy sources. This prospective market is forecast to expand by 10percent each year by 2030. with China and India likely accounting for half of the global demand. By then, the cost of generating electricity from solar power is expected to reach similar levels to burning fossil fuel meaning it could become more widespread without the support of government subsidies. as it mostly depends on at the moment.
The biggest competition in the industry comes from China which produces 80percent of the global demand. at prices 20 to 30 percent cheaper than Korea. Backed by government support, Chinese companies have been producing well over the market demand. with half of the world's top 10 solar panel producers based in China. It's not easy to counter them in terms of price, so Korean firms must improve their costefficiency, at the same time revving up quality and technology. Around 40 players are in Korea's solar power generating market with small and midsized.
Companies focusing on solar cells or modules. while large conglomerates aim to tackle the global market by equipping a complete chain of production to service. We've established a value chain from solar component production to system maintenance. And we aim to expand the solar power generation infrastructure to even include households. Industry experts point out that it is also crucial the government take steps to speed up growth of the domestic solar power industry. To expand its economy of scale and improve its profitability, they add. Korea needs to ease regulations concerning installation.
SolarCity Unveils Worlds Most Efficient Rooftop Solar Panel with more than 22 Module Efficiency.
The Sun provides endless energy, but the average solar cell panel can convert only 14 to 20 of the energy it collects into usable electricity. Now, American energy company SolarCity has built the world's most efficient rooftop solar panel, with a module efficiency exceeding 22 percent. The new SolarCity panel generates more power per square foot and harvests more energy over a year than any other rooftop panel in production, and will be the highest volume solar panel manufactured in the Western Hemisphere. SolarCity will begin producing the first modules in small quantities this month at its 100.
MW pilot facility, but the majority of the new solar panels will ultimately be produced at SolarCity's 1 GW facility in Buffalo, New York. SolarCity expects to be producing between 9,000 10,000 solar panels each day with similar efficiency when the Buffalo facility reaches full capacity. SolarCity's panel was measured with 22.04 percent modulelevel efficiency by Renewable Energy Test Center, a thirdparty certification testing provider for photovoltaic and renewable energy products. SolarCity's new panel is created via a proprietary process that significantly reduces the manufacturing cost relative to other highefficiency technologies, and it.
Turning Salt water into Drinking water using Solar power
According to the Securing Water for Food agency, between 2000 and 2050 water demand is expected to increase 55 percent globally, meaning the number of people affected by water scarcity will continue to grow. By 2025, twothirds of the world's population could be living in severe water stress conditions. Around the world, there is more salty groundwater than fresh, drinkable groundwater. For example, 60 percent of India is underlain by salty water and much of that area is not served by an electric grid that could run conventional reverseosmosis desalination plants.
To find solution for this drinking water issue in developing countries, USAID the U.S. Agency for International Development had run a global competion for Desal prize. The idea for the competition was to create a system that could remove salt from water and meet three criteria it had to be costeffective, environmentally sustainable, and energy efficient. The winners of the $140,000 first prize were a group from MIT and Jain Irrigation Systems. The group came up with a method that uses solar panels to charge a bank of batteries. The batteries then power a system that removes salt from the water through electrodialysis,.
That means that dissolved salt particles, which have a slight electric charge, are drawn out of the water when a small electrical current is applied. Using the sun instead of fossil fuels to power a desalination plant isn't a totally new idea. Larger solar desalination plants are being seriously investigated in areas where water is becoming a scarce resource, including Chile and California.But the current technology is expensive. The MIT team's this new desalination technology electrodialysis is comparatively less expensive. Both electrodialysis and reverse osmosis require the use of membranes, but the membranes in.
Burning Stuff With 2000F Solar Power!!
In a previous project I found a free tv and turned it into a giant solar scorcher. This shoots out a deadly beam of sunlight, that's hot enough to abuse food, melt metal and burn things you probably shouldn't. Today seemed like a good day to play with my Solar Scorcher. I positioned my frame and found the focal point, then added some concrete tiles as a base for my projects. Ok, I've got power, and I'll test it out with this piece of wood and when the light makes contact.
I've got instant fire. The sunlight at this spot is around 2000 degrees Fahrenheit, enough to melt this spot of concrete into a glowing orange liquid. I'm curious to see what I can do with all this heat so I've filled a glass bottle with water and I'll punch a hole in the cap. It's incredible to see that the instant I focus my lens on the bottle, it starts smoking. Just a few moments later this water is so hot it's boiling, and I'm a little nervous the bottle might blow. Yep, there it goes. The glass pieces are melting and that's cool,.
But now I want to try this on some food. I'll get some hot dogs, and when they hit the beam they really do get hot. This might be a little well done for my taste, and I'm still hungry so let's try an egg. The egg is actually working very well. It's so reflective it doesn't burn as fast, and even my wife is interested. A little salt and pepper and it's tempting to try a bite. Ok, so I wasn't actually expecting to eat this, but it looks safe enough, and.
Even my kids are anxious to try. Surprisingly, it's pretty good. Alright, let's see what else this will do. I'll try burning a penny, and, wow, it melted. How about a stack of pennies Yep, they're nothing but liquid metal now, and I'm thinking that slag in the mixture must be what's left of the copper coating. It's only taking about 4 seconds to melt these, and melting metal is really great, but now I want to see something burst. I wonder what would happen to this egg It's spewing some kind of debris and smoking like crazy. I hear.
Some little pops and it's even forming some interesting growths. huh, Look at that. But no explosion. How about if I put a pop top on this bottle of water and let the pressure build up Yeah, that's what I'm looking for. Let's do that again. The lid is back on, and pressure is building. Awesome! Alright, the sun is setting and I've readjusted my Aframe. I'm just wondering if this would ignite gasoline. It does. Hopefully it goes without saying that this is very dangerous and you shouldn't try this at home. Well, I'm convinced there's.
An insane amount of power behind these lenses. If you'd like to see where I got this one, take a look at my tutorial on how I hacked it out of an old TV. This one boiled water in less than a minute, welded a nickel to concrete, and instantly torched any piece of wood in it's way. Well that was fun, but I'm still hungry so I'll put everything away and go get some real home cooking. That's it for now. If you liked this project, perhaps you'll like some of my others. Check them out at thekingofrandom.
Art Inspired Solar Cells MichEpedia MconneX
The solar industry is very, very focused on improving efficiency and reducing the cost. Our attempt here with this research is to propose a new way of looking at these structures and saying, well, you can use existing materials and nothing really needs to change very much. You just shape them in different ways that gives you this benefit. Kirigami is a Japanese art that's related to origami where origami is really about folding of things and kirigami is about cutting things. A colleague of mine who is an artist, Matthew Shlian, he had some interesting.
New shapes and when you pulled on the sheet of paper the cuts would sort of begin to buckle and deform in a very controlled way and so I realized at that point that we could look at that structure as a hyperminiaturized version of solar trackers. Conventional solar tracking has been used for many, many years. The mechanism itself cost quite a bit of extra money. What people end up doing as they say, well, since the mechanisms gonna cost all this extra money. we might as well put a really big panel and then eventually you end up with.
Something that's really big and really heavy. When you think about putting this type of thing on a rooftop it's very very difficult and in most cases is just purely impossible. It was a fairly lengthy process because the things that you do in paper don't automatically translate to other materials and so I started talking to my colleague, Stephen Forrest, about using some of their very high efficiency gallium arsenide solar cells. They're pretty thin, less than 2 microns thick that's ten to fifty times thinner than the thickness of a human hair. What the new design allows us.
To do in contrast to conventional tracking is it basically allows us to work with the same form factor. It doesn't catch the wind, it doesn't weigh any more than a conventional solar panel might and the thing that it buys you is that you can use less semiconductor to gather the same amount of energy. A third less material to generate the same total amount of energy that you would otherwise. Which means that in turn that I could decrease the cost of installation because there are fewer panels to install but you do require little bit of extra area. When you.
Multiply it by the total number of solar installations it's kind of like a billion dollar value proposition potentially. I guess it looks simple enough, kind of like something that you could do on your kitchen table, things don't have to be complicated for them to work. If this can be shown to be quite reliable, then the net benefit could be quite big. V.O. These candies which are already pretty soft should be about 10 to 100 times stiffer than the silicone. So the material that we're working with in the lab is really really soft.
Company Offers Solar Power System At No Cost
ALMOST TOO GOOD TO BE TRUE. REPORTER ON THURSDAY MACKENZIE ENRIQUEZ AND HER KIDS WATCHED THEIR HOUSE RECEIVE A MAJOR UPGRADE SHE NEVER THOUGHT THEY COULD AFFORD. WE'RE STILL LIKE WAIT, IS THIS FOR REAL BUT IT IS, AND WE JUST FEEL LUCKY. REPORTER A SOLAR POWER SYSTEM, AT NO COST, FROM A NEW COMPANY IN TOWN CALLED VIVINT SOLAR. WE ARE A SOLAR POWER COMPANY, SO INSTEAD OF BUYING YOUR POWER FROM COAL. YOU'RE GETTING IT ALL OFF YOUR ROOF. REPORTER SOLAR POWER IS NOTHING NEW, BUT VIVINT'S APPROACH TO.
PUTTING IT ON YOUR HOUSE IS. PEOPLE SAY HEY IT'S TOO GOOD TO BE TRUE. IT'S NOT THAT ITS FREE, IT'S THAT IT'S NO COST TO THEM. ALL OF US HAVE ALREADY PAID FOR THIS THRU OUR STATE AND LOCAL TAXES. REPORTER THE ENRIQUEZ FAMILY HAS MUCH LOWER ELECTRIC BILLS TO LOOK FORWARD TO AS WELL. INITIALLY 30 LOWER, AND VIVINT SAYS THERE IS A GOOD CHANCE SAVINGS WILL DIP INTO THE 60 TO 80 RANGE. VIVINT ALSO TAKES THE RESPONSIBILITY OF MAINTAINING AND REPAIRING THEIR EQUIPMENT. THEY CAN LOG ON TO ALL OF THESE.
SYSTEMS THROUGH THE INTERNET, AND THEY CHECK THEM EVERY 15 MINUTES. IT'S BASICALLY OUR PNM BILL EXCEPT FOR IT'S VIVINT NOW. THE IDEA THAT WE GET TO DO THIS AND REDUCE OUR CARBON FOOT PRINT JUST FEELS SO GOOD. REPORTER THERE ARE JUST TWO QUALIFIERS BEFORE VIVINT WILL DO AN INSTALL, YOU HAVE TO USE ENOUGH POWER, AND THE SUN NEEDS TO HIT YOUR ROOF RIGHT. MOST HOMES BRAIN SAYS DO MEET THE REQUIREMENTS, AND THEY WILL COME AND CHECK FOR FREE. ON ALBUQUERQUE'S WEST SIDE, I'M METEOROLOGIST ERIC GREEN, KOAT.
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