Clean Energy Made Easy with SolarCity See How Solar Energy Works
More homeowners have partnered with SolarCity than any other solar provider. In fact, every five minutes someone switches to cleaner, more affordable energy with SolarCity. From the experience of installing tens of thousands of solar systems, our team of clean energy professionals has created the most sophisticated project management system in the industry. We plan and supervise your project to ensure sure your switch to clean power is quick and easy. Our consultants start by using our proprietary software to analyze your current energy bill and recommend a solar plan that will lock in a more affordable energy rate for years.
To come. From the get go you can trust our customer care team to map out your installation, coordinate with all the team members involved and take care of all necessary permits and inspections. You'll even receive a personal SolarCity web portal where you can track project status from your smartphone or computer at any time. One of our site auditors will visit your home to take measurements and gather technical information. They carefully evaluate the specifics of your home to ensure the final product will match your energy and esthetic needs. Our best in class inhouse engineering team will.
Then use that information to custom design your system. We take care to design a system using SolarCity sleep mount that will last for decades to come. Once complete we submit the plans for the local permit and your HOA approvals. SolarCity's team has extensive experience and best practices that we apply towards installing your system. A typical installation takes one to three days. All installers go through rigorous training and background checks and follow procedures and quality requirements that ensure your system will stand the test of time. After the system's installed, we'll schedule inspections with your local building department and implement.
Journey to the heart of Energy How a solar power plant works
Solar power plants generate electricity using sunlight, a free and abundant renewable energy source. Photovoltaic panels are the basic building blocks of solar power plants. They can be installed on the roof of a home or grouped into vast arrays. Each panel consists of several solar cells less than a millimeter thick. These cells contain a semiconducting material that releases electrons when photons, the particles that make up light waves, crash into it. Extremely fine metal wires carry electrons to the negative terminal of the cell. They then follow an external circuit.
That leads to the cell's positive terminal. The resulting flow of electrons is the source of the electric current. The current passes from cell to cell, panel to panel, combining with the currents from all other cells along the way and flowing into the inverter which transforms the direct current into an alternating current which feeds into a substation that boosts its voltage to between 225,000 and 400,000 volts. Thus modified, the current is easy to transmit over the power grid's high voltage lines. Regular maintenance and inspection ensure that solar plants remain fully operational.
Solar Energy DelftX on edX Course About Tutorial
DR. ARNO SMETS Welcome to the Delft University of Technology. My name is Arno Smets and it's my pleasure to be your lecturer in the course, Solar Energy. In this course, you will be introduced to technologies which convert sunlight into electricity, heat and solar fuels. We will discuss the fundamental physical principles of how a solar cell works and the current status and future challenges of solar energy technologies. I will teach you how to design a solar system for any application. SPEAKER 1 After completion of the course SPEAKER 2 I can analyze the performance of solar cells and modules.
SPEAKER 3 I can explain the various concepts to convert solar energy into electricity, heat and solar fields. SPEAKER 4 I can design on paper a complete photovoltaic system for any application. SPEAKER 5 I can explain the physical working principles of photovoltaic conversion in solar cells. SPEAKER 6 I can describe various solar technologies and their future challenges. SPEAKER 1 On this course, you can also interact with your fellow students all over the world by sharing your own ideas and experiences. GUILLERMO I'm Guillermo and I'm from Ecuador. SPEAKER 7 INAUDIBLE Bangladesh.
SPEAKER 8 I'm INAUDIBLE Achmed from Institute of Renewable Energy at Technology University of INAUDIBLE. SPEAKER 9 I'm a student of the massive open online course of solar energy. SPEAKER 10 Solar energy is becoming more popular in Mexico every day. SPEAKER 11 I am INAUDIBLE from Morocco. SPEAKER 12 Welcome to the Institute of Renewable Energy University of Dhaka, Bangladesh. SPEAKER 13 I will show you my own PV systems. SPEAKER 14 You can watch the system consist of light INAUDIBLE post. SPEAKER 1 You'll surely need and enjoy this course on solar energy.
Energy 101 Concentrating Solar Power
Bjbj Take the natural heat from the sun, reflect it against a mirror, focus all of that heat on one area, send it through a power system, and you've got a renewable way of making electricity. It's called concentrating solar power, or CSP. Now, there are many types of CSP technologies. Towers, dishes, linear mirrors, and troughs. Have a look at this parabolic trough system. Parabolic troughs are large mirrors shaped like a giant U. These troughs are connected together in long lines and will track the sun throughout the day. When the sun's heat.
Is reflected off the mirror, the curved shape sends most of that reflected heat onto a receiver. The receiver tube is filled a fluid. It could be oil, molten salt something that holds the heat well. Basically, this super hot liquid heats water in this thing called a heat exchanger and the water turns to steam. The steam is sent off to a turbine, and from there, it's business as usual inside a power plant. A steam turbine spins a generator and the generator makes electricity. Once the fluid transfers it heat, it's recycled and used over and over.
And the steam is also cooled, condensed and recycled again and again. One big advantage of these trough systems is that the heated fluid can be stored and used later to keep making electricity when the sun isn't shining. Sunny skies and hot temperatures make the southwest U.S. an ideal place for these kinds of power plants. Many concentrated solar power plants could be built within the next several years. And a single plant can generate 250 megawatts or more, which is enough to power about 90,000 homes. That's a lot of electricity.
Polymer Solar Cells
Music narrator The sun provides a clean renewable source of energy. But electricity is expensive to produce using solar cells compared to nuclear energy or power from fossil fuels. Research at the University of NebraskaLincoln focuses on a solution. Huang The goal of this project is to make a more efficient and cheaper solar cells. UNL engineer Jinsong Huang earned a National Science Foundation Career Award to advance his research into solar energy devices. Huang wants to replace the silicon material used in today's solar cells with polymers or plastics. narrator Huang and his colleagues have designed a new structure that includes a thin layer of ferro electric.
Polymer, a material often used in insulation. Combined with organic polymers and electrodes, the device would generate more electricity at a lower cost. When this labsized device is perfected, it could be produced on a large scale. narrator If Huang can improve the efficiency of the polymer solar cell, the new device could replace the large solar panes atop buildings. And because polymers are flexible, future solar cells could also be pasted on a window or incorporated in fabric to provide a charge for your laptop or warmth on a camping trip.
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,.
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