Facts About Solar Energy

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Transcript:

You probably have a lot of questions about solar energy. I probably won’t be able to answer them all in this video, but I’ll give you some basic facts so you can get a better idea of how it may be useful to you in everyday life. But, you should be aware that there are both positive and negative facts about solar energy to consider.

Let’s start with the answer to a basic question: what is solar energy.

Solar energy comes from the light of the sun, not from heat. so even cold climates can produce power when the sun is shining.

One of the most interesting positive facts about solar energy is its huge potential. The amount of sunlight that comes to earth in a single day – if it could be harnessed – would supply all the electricity needs for every human being on the planet for an entire year. Also, solar is a renewable energy resource that will last for a couple billion more years. We never run out.

One of the most important facts about solar energy is that it doesn’t hurt the atmosphere. It doesn’t pollute or generate carbon dioxide, which a lot of people believe is changing global climate – and not for the better.

There’s also no noise pollution with solar energy. Electricity is created silently when sunlight hits a solar panel. The sunlight reacts with materials in the panel to produce an electrical charge. This charge can be converted to direct current (DC) to be used in homes. If a home with solar panels generates more power than the home uses, the homeowner may even be able to sell some of the excess to a power company for use on its electrical power grid.

Electricity created by home solar energy can be used in dozens of ways – just like electricity from the power company. Heating water, running appliances and providing light are all possibilities for home solar energy. By making your home energy independent in this way, you also make your country more energy independent – freeing it from the need to import oil from other countries. When you have home solar energy, you don’t need to worry about power outages – or rate increases by your utility company.

Another of the more interesting facts about solar energy is its potential in the transportation industry, although admittedly, practical solar applications for mass transit in the U.S. are probably years away. Solar technology for cars has been developed, but it’s not nearly advanced enough for the needs of modern vehicles yet. However, it’s interesting to note that a couple of years ago a small aircraft powered strictly by solar energy flew across the entire United States.

So those facts are about solar energy that sound positive and promising, But there are other facts that you need to understand..

For one thing, solar panels take up a lot of space. That means solar energy “farms” would have to be huge to provide a significant percentage of a large city’s electricity supply.

There’s also large investment or up front cost to installing solar – especially in a home. It can take years to recover your investment, even though solar equipment is nearly maintenance-free once it’s installed. Plus, some geographical areas are more suited to solar power than others. If you live in an area where it’s gets cloudy a lot, solar energy may not be sufficient for your needs. Furthermore, your output from solar panels will be reduced if they are shaded by trees or other structures.

26 Comments

  1. Mathis Laurant on August 20, 2020 at 2:42 pm

    yeah panels take up a lot of space, but why not place it onto existing structures in cities. I know some building in NYC reflect so much light all year. and is just asking to be taken advantage of…

  2. YYY TIDRO on August 20, 2020 at 2:44 pm

    The so mach Jo save my lotof trabel making a properd speech😋

  3. Old Frugal One Hyper-Drive Movement on August 20, 2020 at 2:45 pm

    Yep sounds like a sales pitch to me too. I wont put them on my house and here’s why. Even though I live in an area that gets 300 days of sunshine. The cost is prohibitive. The payback is long, about 10-15 years and about that time you have about 50% failure in your system.(they don’t tell you that) If they aren’t put on correctly you end up with roof leaks that the solar company wont fix. If you need to re-roof your house you have to remove the panels first and re-install them at about $5K extra for a roof job. Depending on where you live the power co. wont buy your excess power and when your battery’s are full you can actually cause damage to your system when there’s no place for the power to go. And lastly – When the sun don’t shine you don’t have power.
    If you haven’t herd of the "Grand Solar Minimum" we’re heading into you should research it yourself and make your own decision. But I believe solar power will be of no use in about 3 years because I don’t think we’ll be seeing much sun till about
    2050. Well that just me – you decide for yourself.

  4. Harshdeep Singh on August 20, 2020 at 2:45 pm

    creepy dude

  5. mike on August 20, 2020 at 2:48 pm

    Other facts include:
    While generating electricity with solar panels does not pollute, a highly toxic and polluting process is used to manufacture solar panels. It’s also worth remembering that solar panels will never be as efficient as they will be the first time you use them. The generation of power involves the gradual degradation of the solar cell.

  6. Dodie Sabaro on August 20, 2020 at 2:58 pm

    Thank you for sharing this facts, we really need to know about this, specially we use this to generate clean electricity..

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  8. Beatriz mata on August 20, 2020 at 3:04 pm

    I just finish my science Project from mrgore

  9. M Harding on August 20, 2020 at 3:04 pm

    I think you meant it can be converted to AC, since its already coming in as DC, and homes use AC.

  10. robert smith on August 20, 2020 at 3:07 pm

    Thanks for sharing a information about solar energy it is really informative .Solar energy is the radiant energy emitted by the sun in the form of heat and light, which is received by the Earth.
    solar panels generate electricity from the sunlight in 4 different steps. It starts with the panels absorbing solar energy, which activates the PV cells to generate direct current (DC). The inverter at the back of the solar panel converts the unusable DC current into the usable alternating current (AC) that flows through cables and wires and reaches the meter. I know a place which is one of the best solar installation company provides best solar services and products that are not just economical, but also efficient with customized solutions to offer you the best from our vast range of affordable models…
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  11. Diego Villeda on August 20, 2020 at 3:07 pm

    afeitate la chocha

  12. A dangerous comedian on August 20, 2020 at 3:08 pm

    I’m what are you doing the sun goes down or what if you live in Canada where it’s not sunshine 24 hours and if those Solar panels get dirty?

  13. Isis Desrivieres on August 20, 2020 at 3:09 pm

    SO helpful >-<

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  15. Katsuki Bakugou on August 20, 2020 at 3:15 pm

    Thx for helping me with my homework

  16. Lindsay Lubin on August 20, 2020 at 3:16 pm

    These facts are great for a science research project

  17. Geof Santiago on August 20, 2020 at 3:16 pm

    great video, thanks for sharing this video its very informative.

  18. Daweights23 C on August 20, 2020 at 3:18 pm

    got a question: this may be a dumb question, but is solar power and the tools for it emp proof? if we were to have an emp attack the grids we are heavily dependent on will go down. same with our vehicles, cell phones etc. will solar power technology help us in terms of potential attacks like the one I mentioned?

  19. Isabel Landeros on August 20, 2020 at 3:20 pm

    thanks you helped me a little with my question and essay.

  20. Ilarina Zhou on August 20, 2020 at 3:21 pm

    Thank you so much, for this clear, at the same time short video! Very helpful

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