We begin thinking about the environment here. And here. And here. We consider what to leave out. What to put in. And what to make smaller, faster, more efficient. We think about power, and how to power that power. Because our ecosystem is part of a larger one. So we're building a 40megawatt solar farm in China big enough to power our offices and stores across the country. And since our ecosystem also includes billions of iMessages and huge libraries of music, films and pictures, we're powering our data centers with 100 clean energy.
The Worlds Largest Wind Farm Chinas Future MEGAPROJECTS Part 6
By now you're seeing the trend here the world's biggest city, the world's longest canal, biggest airport, longest high speed rail network and underwater tunnel. So the fact that China is building the world's largest Wind Power Farm too shouldn't surprise you. The Gansu Wind Farm Project will produce 20 Gigawatts of power by 2020, and will cost nearly $20 billion to build. Turbines are going up at the staggering rate of 35 per day across the three areas that make up the power base. In 2012, Gansu's capacity surpassed the total windgeneratedelectricity produced by all of the United Kingdom, and it's just.
The largest of six megawind farms currently under construction throughout China. But China isn't embracing wind just to reduce its carbon emissions, it's doing everything it can to simply keep the lights on. Some parts of the country with booming middle class populations suffer persistent electricity shortages because, just like us, people want refrigerators, dishwashers, washer and dryers, and computers in their homes, but there's only so much energy to go around. So China's State Council is pushing for an acrosstheboard renewable strategy to reduce its dependence on oil, coal and gas, the finite resources of the 20th century whose.
Extraction and consumption are subject to constant geopolitical tensions. Since 2013, China has led the world in renewable energy production, with a total capacity of 378 installed Gigawatts, coming from projects as wideranging as Gansu to hydroelectric power plants like the Three Gorges Dam, which spans the Yangtze River and is the world's largest power station of any kind. In just the last 10 years, China has increased its solar panel production 100fold to become the world's leading manufacturer of the technology. With China now pumping more CO2 into the atmosphere than the number two and three emitting countries.
No, Solar Panels Dont Suck Up All The Suns Sun Juice
Gtgt THERE ARE A LOT OF NEW FORMS OF ENERGY THAT ARE ACTUALLY GROWING ALL ACROSS THE COUNTRY. WIND, SOLAR, AND TO BE FAIR TO WOODLAND IN NORTH CAROLINA, THEY HAVE DONE THIS SEVERAL TIMES, THEY HAVE THREE SOLAR FARMS THAT THEY APPROVED IN THE WOODLAND TOWN COUNCIL SO FAR. A FOURTH ONE HAD COME UP, THAT IS WHERE WE RAN INTO SOME ISSUES. SOME CONSTITUENTS CAME IN AND ARGUED, AND TO BE FAIR TO THE LEGISLATORS, THEY DID NOT MAKE THESE ARGUMENTS, CONSTITUENTS DID. LET ME QUOTE THE ROANOKECOWAN NEWS HERALD.
Gtgt I ALMOST MADE IT AN ENTIRE HOUR WITHOUT THE COUGH, HOLD ON. gtgt ALMOST. gtgtHERE IS WHAT I AM SURE OF, THERE IS NO BROWN VEGETATION NEAR THE SOLAR PANEL, BECAUSE THE SOLAR PANEL IS SUCKING UP THE OTHER PHOTOSYNTHESIS FROM THE AREA. OH NO, YOU SUNLIGHT, YOU ARE NOT GOING OVER THERE. THE SOLAR PANEL IS GRABBING YOU. THE SOLAR PANELS FOR THE SUNLIGHT THAT HITS THE SOLAR PANEL. JANE MANN CONTINUED gtgt SCIENTISTS COULD TELL YOU, AND YOU ARE A FORMER SCIENCE TEACHER. I COULD TELL YOU. BUT APPARENTLY YOU WOULDN'T LISTEN,.
SO MAYBE WE SHOULDN'T WASTE OUR BREATH. BOBBY MANN, ANOTHER FAMILY MEMBER, CAME WITH HER, AND HE HAD ANOTHER THEORY gtgtTHOSE ARE TWO DIFFERENT THEORIES, TO BE FAIR, PUT BIZARRELY IN THE SAME SENTENCE. I DON'T KNOW WHY BUSINESSES WOULD NOT COME TO WOODLAND IF THERE WERE SOLAR PANELS, I DON'T UNDERSTAND THAT ALL. THEY ALSO CLAIMED, OTHER CONSTITUENTS DID, THAT THE SOLAR PANELS WERE DRIVING THE YOUNG CITIZENS OF WOODLAND AWAY. I DID NOT KNOW MILLENNIALS WERE ANTISOLAR PANELS. I HAD NO IDEA. I DID NOT KNOW THAT THE YOUNG OF WOODLAND.
WERE PERHAPS VAMPIRES AND DID NOT LIKE SOLAR PANELS BRINGING IN ALL THAT SUN. BUT THE FIRST PART OF HIS THEORY I'M FAIRLY POSITIVE ABOUT. HE SAID THE SOLAR FARMS WOULD SUCK UP ALL THE ENERGY FROM THE SUN. I AM SURE THE SUN IS GOING TO BE OKAY. COMPANY REPRESENTATIVES HAD TO COME IN, THIS IS STRATA SOLAR COMPANY ARGUING FOR THE SOLAR FARM, AND THEY HAD TO BOTHER SAYING THIS gtgt THEY ONLY DRAW THE SUNLIGHT THAT FALLS ON THEM. gtgt THEY HEARD FROM CONCERNED CONSTITUENTS WHO APPEARED TO NOT.
HAVE THEIR SCIENCE EXACTLY RIGHT, AND THEY HEARD FROM COMPANY REPRESENTATIVES, TO BE FAIR, BUT ALSO THE SCIENCE ON THIS IS NOT OVERLY COMPLICATED. I AM PRETTY SURE THE SUN HAS NOT BEEN DRAINED OF ALL ITS ENERGY BECAUSE OF SOLAR PANELS. HOW DID THE VOTE COME OUT THE VOTE ON THE SOLAR PANELS THIS TIME AROUND, 31 AGAINST. SORRY, NO MORE SOLAR PANELS IN WOODLAND COUNTY, OR WOODLAND TOWN. THOSE ARGUMENTS WERE PERSUASIVE. gtgt OKAY, WELL, THANK GOD WOODLAND TOWN DID NOT PUT UP ANY MORE SOLAR PANELS, OTHERWISE NONE OF US MIGHT BE ABLE TO USE.
Vortex Bladeless develops a Wind Turbine without Blades
Vortex Bladeless is a Spanish tech startup. It wants to completely change the way we get energy from the wind. Think wind stick instead of a massive tower with blades that capture blowing winds. The Vortex is a new kind of Wind Turbine being developed without any blades. The conical shape harnesses the oscillating motion caused by the wind and converts that to kinetic energy. When wind hits a structure and flows over its surfaces the flow changes and generates a cyclical pattern of vortices at the tail end of the flow. This is known as the vortex.
Shedding effect which creates something known as vorticity and that is what Vortex Bladeless uses to generate energy. Vorticity has long been considered the enemy of architects and engineers, who actively try to design their way around these whirlpools of wind. Where designers see danger, Vortex Bladeless's founders see opportunity. The team started Vortex Bladeless in 2010 as a way to turn this vibrating energy into something productive. This is not your usual wind turbine. It consists of a fixed mast, a power generator that has no moving parts which come into contact with each other and a semirigid fiberglass cylinder.
The power generator is a system of magnetic coupling devices which means there are no gears needing lubrication and an overall system needing less maintenance. The Vortex team says there are some clear advantages to their model It's less expensive to manufacture, totally silent, and safer for birds since there are no blades to fly into. According to conservative estimates Vortex saves 53 in manufacturing costs and 51 in operating costs compared to conventional wind turbines. Vortex is much smaller than traditional wind turbines, allowing you to use your space more.
Efficiently. Initially, the cofounders were looking at large generating devices. That remains a longerterm goal but a much shorter range goal is a device of 4kW Vortex that would be about 13 meters tall. The company sees this generator being used in conjunction with solar generation for homes that are either off the grid or want to be off the grid. This spanish company has already raised $1 million from private capital and government funding in Spain. In February of this year, Vortex Bladeless relocated to Boston. There it is working with.
Clean Energy Demand Solar Panels Power IKEA Pew
MIKE WARD The modern view on sustainability within IKEA, we've identified three change drivers, and one of those change drivers is energy independence and resource independence for the future. We had a program a few years ago that we called IKEA Goes Renewable, and that was meant to sort of get us kick started. So far, we've been able to achieve the step that 50 of our energy use is from renewable sources. I'm talking about globally now. We want to get to 70 by 2015, and by 2020, we actually want.
To produce more energy from renewable sources than we consume in the total operation. In the short term, of course it helps us reduce our carbon footprint, it helps us save cost. We have 38 stores in the US, and at the moment, we have 35 who are fitted with solar installations and one that has a geothermal installation. What is it actually used for It's for everything from refrigeration in our Swedish food markets, running our cash registers, charging the fork lifts, lighting the building. The stores are pretty big operations.
There's a lot going on, and we use it for all of those uses. I mean, you name it, it helps. What we've done so far is equal to 38 megawatts. If you translate that to something easy to understand, it can power 90,000 homes. We've always been extremely economical in our use of resources. The reason is because in order to deliver low prices, you have to be very, very efficient, so that sits in our DNA. We know that sense we put these installations on our roofs, we spend less on energy and that's proven, so we're.
Energy 101 Solar PV
MR. All right, we all know that the sun's energy creates heat and light. But it can also be converted to make electricity, and lots of it. One technology is called solar photovoltaics or PV for short. You've probably seen PV panels around for years, but recent advancements have greatly improved their efficiency and electrical output. Enough energy from the sun hits the earth every hour to power the planet for an entire year. Here's how it works. You see, sunlight is made up of tiny packets of energy called photons.
These photons radiate out from the sun, and about 93 million miles later, they collide with a semiconductor on a solar panel here on Earth. It all happens at the speed of light. Take a closer look, and you can see the panel is made up of several individual cells, each with a positive and a negative layer, which create an electric field. It works something like a battery. So the photons strike the cell, and their energy frees some electrons in the semiconductor material. The electrons create an electric current, which is harnessed.
By wires connected to the positive and negative sides of the cell. The electricity created is multiplied by the number of cells in each panel and the number of panels in each solar array. Combined, a solar array can make a lot of electricity for your home or business. This rooftop solar array powers this home, and the array on top of this warehouse creates enough electricity for about a thousand homes. OK, there are some obvious advantages to solar PV technology. It produces clean energy. It has no emissions, no moving parts, it doesn't make any noise and it doesn't need water.
How to Install Solar Panels Battery Banks for Solar Energy
Now we come to our battery bank for our Solar system. This one is made up of six volt cells combined in different ways to get the voltage we need for our individual inverters. We're going to be using the big Zantrax 1,000 watt this time, so we'll need two six volt cells, in series, to come up with that twelve volts. If you take your battery and connect a positive to a negative terminal that leaves you with a positive and negative terminal and you can get your twelve volts here. If you connect four batteries in series, positive to negative,.
You come up with twentyfour volts. And if you needed a fortyeight volt system, which is not uncommon, you'd simply expand and use more batteries. But for a twelve volt system we'll just use two. And, they're really the most dangerous part of the system. If you look down inside there, you can see a liquid and that liquid is sulfuric acid and will really seriously burn you and that's why we have a base here, Baking Soda, and if you get that acid in your eyes or in your clothing you can neutralize it with this. So, very.
Important to have this for safety. We can get a look at some of that acid here with the hydrometer, this is what you measure the actual specific gravity of the acid inside. And you can see we have several of these disks floating. We have about three disks floating with one at the bottom. So we know that this two batteries, or at least this battery, is about seventyfive percent charged. So, we're going to be very careful with that acid and stick this back here in our little cup. It's also important to note that the gases that.
Louisiana Wind Solar Energy Tax Credit
NARRATOR On the roof of his home in Baton Rouge, Herb Sumrall is inspecting an innovation that's already saving money every month, solar panels. Herb Sumrall, Homeowner My wife and I, when we built the house, were pretty much into solar conservation. So, we've done a bunch of things over the years and this seemed like the appropriate thing to do and the appropriate time. NARRATOR Solar panels make electricity from sunlight and Sumrall's power bill is a fourth of what it used to be. Plus, the cost of installing this array will be significantly offset when.
He files his state and federal taxes. William Little, Louisiana Department of Revenue The Solar and Wind Power Tax Credit gives a taxpayer a refundable credit for 50 percent of the first 25 thousand dollars of the costs associated with installing a wind or solar powered energy system. That is the state tax credit. The analogous federal tax credit is 30 percent of the same installation costs. Adding these two together, you get 80 percent of the installation costs. Legislative leaders both in Washington and the state level are trying to generate energy efficiency at the.
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