Wouldn't it be weird if one day in the future you were buying a home and the listing said, batteries not included Yeah well, that could totally happen. Hey there people, Julian here for DNews. Electricity is pretty great. It powers my toaster, my fridge, my hairdryer, my clothes dryer, my air conditioner, my humidifier, my dehumidifier, and my pc I use to watch science tutorials. I think I'm gonna keep using it. The problem is, everyone in all the other houses feels the same way, usually at about the same times.
Of day, and they're driving the cost of those tasty kilowatts up in the evening. Of course during the day if you don't want to use power from the grid, you could get some solar panels and harvest sunlight, but that's not helpful when the sun's down, also known as nighttime, also known as the time I need to have electricity to turn lights on to not bang my shins on all the furniture. Enter the battery powered home. The idea is a rechargeable battery stores energy from solar panels during the day or from offpeak hours when grid energy is cheapest, and uses.
That energy during the rest of the day. The problem is if you've ever bought batteries you know they cost approximately one arm andor one leg. Elon Musk thought that was a silly hangup for what is otherwise a great idea and decided to do something about it. Elon Musk, for y'all that don't know, is basically what would happen if Tony Stark lost the goatee. His interests range from online money movement to commercial space flight to, most importantly for this topic, electric cars. His company Tesla Motors has been refining electric car batteries for years, engineering them to be lighter, longer lasting,.
And more efficient. Why don't we take all those batteries, and put them on a wall So they did that. The Tesla Power wall Is basically a bunch of lithium ion cells in a sleek case. They're compartmentalized and liquid cooled to solve the knotty problem of overheating and burning your house down, something that is generally undesirable. If you wanted it as your main power supply there's a model that can store and discharge up to 7 kWh daily and costs $3000. Best of all it should last 10 years, which is approximately.
8 years longer than my laptop battery made it before it wouldn't hold a charge anymore. The trick to this longevity is how much power it outputs. It's only pumping out 2 kW continuously and peak output is 3.3 kW. The problem that then arises is some appliances will use more than that output. An electric clothes dryer could draw that much power on its own. So if you want dry clothes, I hope you weren't planning on using a microwave too. If you wanted to be not reliant on the grid at all, you'd probably need a few powerwalls.
To go with your solar roof panels. Depending on where you live, your power consumption can vary widely, but the average US home in 2011 used 940 kWh per month. A solar setup of that size would cost over $11,000, not including installation or taking tax credits into account. Then you'd need 5 Powerwalls to store all of that sunshine juice, so that's another 15 grand. It's an expensive prospect right now, but as the cost of batteries and solar panels continue to drop, individual homes that are independently powered could.
Become a great way to kick our fossil fuel habit. Inexpensive home batteries are looking like a promising innovation. They're not the only company innovating. Intel creates the breakthrough technologies that make amazing experiences possible. Having Intel inside makes for better experiences outside. Intel drives innovation with products like processors, wearables and IOT devices, and within data centers. In the PC and beyond. Going green sounds like a lot of effort. Is it really worth it Trace explains why yes, totally, it is, right here. Would you use the powerwall Would it be a supplement for your energy use or would you.
Inside the White House Solar Panels
Cheery melody of bells and strings Secretary Moniz Solar panels on the White House I think are a really important message that solar is here. We are doing it. We can do a lot more. I am very bullish on the future of solar energy as a key part of our clean energy future. James Doherty The size of the array that we established here is the typical size for the average American house. Being at the White House, we do have some security concerns. We can't cover the entire roof with panels,.
Though that would be good from an energysaving standpoint. Laughter. Cyrus Wadia Everything from the solar components to the inverter technologies to the labor that put the panels on the roof was all America. Domestic source, domestic maintenance. It serves as a symbol that America technology in solar is available, it's reliable, and it's ready for millions of Americans across the country. James Doherty So the first thing what we did was we drilled down into the concrete and then basically epoxied a series of threaded rods back up through the baton tops.
We then were able to install a series of grids for a subassembly upon which the solar panels could then be secured. Secretary Moniz Clean energy revolution is not something for the distant future. It's happening right now and we want to capture that. Cyrus Wadia Every four minutes, some small business or home owner is going solar. In a sense, we're going through a transition here and the industry is going through a transition that we're just seeing the beginning of. Minh Le The President is basically doing what Americans.
All across the nation are doing right now. They're making the conscious choice to look for renewable energy like solar as the cheaper, cleaner, and preferred energy source for their homes and families. Cyrus Wadia You know, we need to diversify the clean energy portfolio as articulated in the President's Climate Action Plan, which we are actively engaged in now. And we also need to spur the economic sectors of the future. Last year alone we created over 23,000 new jobs in solar energy. James Doherty Obviously the more that we can install.
Why Teslas Powerwall Battery Is Amazing
All of humanity just won a really important victory in our battle to lower the CO2 emissions that are causing climate change. Tesla CEO Elon Musk introduced the world to the Powerwall, a wallmounted battery for your house which aims to accelerate our transition to clean solar and windpower. Before the powerwall, there was no way to store the energy generated from the panels that capture sunlight on our roofs. So during the day they could give you the power you needed, but at night, you had to rely on the grid, which gets most of its.
Electricity from coal, natural gas, and nuclear reactors. There had been some early home batteries out there, but nothing that was nearly this affordable. But Tesla, which has built thousands of large, lithiumion battery packs for its growing electric car business, was able to produce a similar battery for buildings at a scale that dropped the production costs dramatically. The lowest capacity model will cost just $3,000. And this is the first generation of the productbefore Tesla's even completed building its massive new Gigafactory, or any real competitors have entered the market, events that will surely push the price down.
Even further, while increasing the energy storage capacity of the Powerwall. Here's how it works. When the sun is out, solar panels will power your house and charge the Powerwall at the same time. And when the sun goes down, this charged battery will kick in to meet most or all of your electricity needs until the sun comes back up again the next morning. This is gamechanging. More and more people will go completely offgrid. Every building whether it's a home, office, business, warehouse, factory they can all.
Install solar panels and some Powerwalls and instantly see their fossil fuelgenerated electricity needs drop significantly. Not every building will be able to go completely solarpowered, but most will get pretty close, especially as our appliances become more and more energy efficient. And it gets even better. The powerwall will be connected to the Internet and the rest of the energy grid. Here in Southern California, and most other heavily populated places, the electricity company charges us a lot more when we use electricity during peak timethat's in the afternoon and early evening when the temperatures are warmest and most of us are.
Home and still awake. The Tesla battery is smart, and knows when electricity is cheapest, so that's when it will draw from the grid to charge itself. And then, during peak time when you need electricity, the battery will power the house. Sometimes, you'll be able to sell back unused power to the utility company during peak time to even make a profit. It's basically going to make each individual building its own power station. Overnight, Tesla seems less a futuristic car company, and more like the man who inspired the company's name, a revolutionary electricity engineer named Nikola.
Thanks for watching. If you liked this tutorial, help the conversation spread by hitting that thumbs up button. For TDC, I'm Bryce Plank. on the screen to watch more TDC, like our tutorial running down ten possible clean energy sources of the future or the ten fastest electric cars on the road. You can click to go back on our channel or take us up on our offer for a free audiobook of your choice from Audible, like the soontobereleased profile of Elon Musk. You have to put your credit card number in, but you get to try the service without charge for a whole month,.
How to Install Solar Panels Wiring for Solar Panels
Alright! We've got the panels mounted and now we're ready to connect the wiring that brings the power down to our charge controller which is located on the ground. We're going to be using this BX style wire which is just twelve gage wire with a wrapping of sturdy aluminum on the outside to protect it from the elements. Typically used in household wiring, pretty common at your home improvement center, twelve gage is adequate for a small system like this. Black wire for our positive connection, the white wire will be negative.
It's also called the neutral in an AC system. But for this we can use the white wire as negative, and then the green will go to our frame as a ground. So, we'll just strip a little bit of wire off here. We've got our DC wires already marked coming from the panels. Red, positive and white is negative. So we'll follow that here, again, and strip these wires down. Special wiring comes out of these panels. It's USE rated versus THHN for instance. And this USE wire is UV stabilized so it can actually be out in the sunlight for many years without.
Degrading. We're using the shielded wire here could be in different styles of conduit or even a UV rated wire for a small installation like this. And your bigger grid type connections, all this can be in conduit and the wire choices would be a little more limited because of the high voltages concerned. But here, twelve to forty volts, we're not really as concerned with that as we might be. Still, it's nice to have everything solid. We're going to use our linesmen pliers here to get a nice solid twist on our positive wires and a little wire nut on top of that, snug.
It down. We've got our negative wire here, and you notice I didn't strip these both at the same time. Even through it's only 40 volts, you can still get a pretty decent shock off of these panels. So, it pays to keep the wires separate. In fact, at the other end here, we're not quite ready to make this connection, we should connect down at the bottom first before making this wire completely hot, just for safety. So now, let's leave this for a moment and go down and wire up our charge controller here in the laundry room.
Solar powered air conditioning
Music playing Narrator Over 50 percent of the greenhouse gas emissions you produce in your home are generated by heating, air conditioning and hot water. In other words keeping your home warm in winter, cool in summer with nice hot water on tap is emitting 2.5 to 5 tonnes of greenhouse gas emissions each year. It also contributes a hefty amount to your electricity bill, between 50 to 60 percent. CSIRO has invented a new solar air conditioning system for Australian homes. This technology solution will reduce Australia's emissions, reduce your energy.
Bills and reduce our demand for electricity and gas. If every home in Australia installed our solar cooling technology it would be the equivalent of saving 15 mega tonnes of CO2 or taking 3.5 million cars off the road. CSIRO's solar air conditioning is an innovative three in one technology that provides hot water, cooling and heating. It uses only a fraction of the electricity of current systems and halves greenhouse gas emissions. The process begins with a typical solar hot water system. Water is heated by solar panels and stored in the hot water tank.
This solar hot water can then be used throughout the home, reducing the need for gas or electricity. A portion of the hot water is diverted into CSIRO's new solar air conditioning unit, which is divided into two compartments. The hot water enters a heat exchanger in the first compartment of the unit. Similar to a car radiator the heat exchanger uses the hot water to heat outside air that has been drawn into the first compartment through the vent. At the same time outside air is also being drawn into the second compartment into a desiccant wheel.
The desiccant wheel is the most critical part of the system. It is used to dry out the air before it goes into the house. Slowly turning the desiccant material in the wheel continuously absorbs moisture in the second compartment and then the absorbent material dries out in the first compartment. The desiccant material is dried out using the hot dry air generated by the heat exchanger. This air is then exhausted outside the home. The dry air from the desiccant wheel flows through an indirect evaporative cooler which creates a stream of cool dry air.
Stanford Start.Home Solar Panels
We decided to go with thin film. We liked that it was a pretty new technology that's actually getting better and better. There's a lot of great things about it. First, it's a lot cheaper than monocrystalline and it's also uses a lot less material. It's just a thin sheet of glass then, then the semiconductor layer. And so we really like that about these panels. And with a onthegrid system, like our house, you're actually selling electricity back to the grid. And then the great thing about it is that you produce the.
Most PV energy, photovoltaic energy during the day, when the sun's out. And that's actually when you would pay the most for it from the electric company. And so you're selling it back at those critical peak demand times, reducing the overall load on the system. We're using a standing steamed sheet metal roof, and it has these ridges in it so that you can actually use these clip products and just attach the, the PV panels to the roof. So that really reduces the amount of time it takes to install these PVs.
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