Definition Renewable Energy

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Definition of Solar Energy: What is Solar Energy?

Author: Kary Brown

The definition of solar energy is very simple. Solar power is energy that is created by the sun and is the power from it, used in order to produce energy for many things here on earth. This type of energy is also clean, renewable and doesn't cost anything.

Solar energy is growing in popularity because it's the most abundant and the most cost effective energy source we have. The amount of energy the sun gives to the earth in one day, can power the whole planet and its energy needs for an entire year; and because solar power is only available as long as the sun is up, it is considered a renewable source of energy and will not harm the planet or the environment.

If you think about it, solar energy was the first source of energy used by humans, but since the 1950's the definition of solar energy changed. Solar energy is used to create sources of power to fuel technology, homes and various businesses; given the speed in which technology is going, solar energy is becoming more proficient and is recognized as a realistic alternative to fossil fuels.

Today we get energy from the sun through solar (photovoltaic) cells. These cells are placed in direct light and the sun hits them. When this happens, a chemical reaction takes place to create electric currents and then they are converted into electricity.

The definition of solar energy changes everyday. Today solar panel, tomorrow who knows?  Nobody knows what the future holds when it comes to technology.

Also read:

Wind Power Efficiency: Wind Energy Benefits in Comparison with Other Energy Resources

Article Source: http://www.articlesbase.com/tools-and-equipment-articles/definition-of-solar-energy-what-is-solar-energy-1539586.html

About the Author

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8 Responses to Definition Renewable Energy

  1. octoberbabycadi says:

    help with my renewable energy poster?
    I’m making a renewable energy poster, and I want to work on it and finish it this weekend. I already have an idea of how to draw it out, and what goes where, but I would like some help with these areas:

    - a simple definition of Clean/Renewable Energy
    - why using that type of energy is good
    - three facts on wind power, solar power and bio fuel power.

    Also, what do you think of my slogan; “Cleaner Energy for a Cleaner World”?

    Please go all out in your answers. I’ve done a lot of research into the area, but I can’t seem to condense everything so that it can go onto a poster and not be too overwhelming for the reader…especially since I found out the posters are going to be made into a calendar for 2011. Thanks! :)

  2. neville says:

    Clean energy – energy whose production doesn’t contribute to pollution or global warming

    Renewable energy – energy derived from sources which can be fully replenished indefinitely (for the life of our planet) using environmentally sustainable processes

    Why good? – because it provides a sustainable pathway to the future

    Wind power – intermittent, highly variable, easily harnessed using high turbines, fully renewable and sustainable, “clean”
    Solar power – 50% maximum availability, highly variable, easily harnessed using photovoltaic or thermal collectors, fully renewable and sustainable, “clean”
    Bio fuel power – partially renewable but not fully sustainable (may produce net CO2 emissions, may compete with food production), not “clean”

    Slogan: For a renewable energy poster, why not “Renewable Energy for a Sustainable World” ?

  3. Elliot says:

    Fruits and vegetables are considered renewable because we can grow new ones faster than we’re using them.

    Batteries are a bit tricky. There are, of course, rechargeable batteries. And if you’re reusing the same battery over and over, the concept of renewability is really only applicable to the power used to charge the battery, rather than the battery itself. This power can be either renewable or non-renewable; the variable is the kind of power station used to generate the electricity, and has nothing to do with any inherent property of the battery itself.

  4. Taylor says:

    what are renewable resources of energy?
    I need the exact definition

  5. SSejychan says:

    Are fruits and vegetables considered ‘renewable’?
    For our uni physics report we’re comparing fruit and vegetable batteries with commercial batteries. (i know, who does lemon batteries when they’re in uni >_>). But anyway, i’m trying to drag up as many pros for fruit/vegie batteries as i can, though i know that the cons far outweigh these.

    This is what i’ve written for the pros so far:

    “Freggies have the obvious advantage over commercial batteries by being an entirely renewable source of energy. Also, because they are made of natural ‘materials’ they are able to decompose without harm to the environment. ”

    But, i was thinking. Could you consider fruits and vegetables to be renewable? You can replant ‘used’ fruits/vegies, and they will produce new ones in a relatively short time. And, i’m comparing this to the materials used in batteries, which though recyclable, are not renewable (at least i don’t think so).

    So, my question is: Would you define fruits/vegies as renewable? If so, what definition of renewable would you use? if not, again, what definition would you apply in this case?

    Thankyou to anyone who can be bothered replying. =D

  6. justgoodfolk says:

    Automobile Mileage Standards explained
    Auto mileage standards are set by the US government and they say that there is a sticker on every car sold which tells you what the fuel economy is of your car, if you drive it in city conditions, if you drive it on freeway conditions. It will give you a prediction of how many miles per gallon of gasoline you’ll get. There is a law called the Corporate Average Fuel Economy law that was passed after the 1973 Arab Oil Embargo, and that was an attempt to try to get each car company to make their entire car production for a year more efficient
    http://www.videojug.com/expertanswer/being-fuel-efficient/what-are-auto-mileage-standards
    Zero Carbon and Green Gas Emissions
    That means no carbon and or green gas emissions like Nuclear, Solar and wind energy
    The nuclear fuel cycle, also called nuclear fuel chain, is the progression of nuclear fuel through a series of differing stages. It consists of steps in the front end, which are the preparation of the fuel, steps in the service period in which the fuel is used during reactor operation, and steps in the back end, which are necessary to safely manage, contain, and either reprocess or dispose of spent nuclear fuel. If spent fuel is not reprocessed, the fuel cycle is referred to as an open fuel cycle (or a once-through fuel cycle); if the spent fuel is reprocessed, it is referred to as a closed fuel cycle.
    http://en.wikipedia.org/wiki/Nuclear_fuel_cycle
    http://images.google.be/images?sourceid=navclient&hl=nl&ie=UTF-8&rlz=1T4GGIH_nlBE258BE258&q=nuclear+fuel+rods&um=1&sa=X&oi=image_result_group&resnum=1&ct=title
    Efficiency standards refers to the fact most older energy sources waste some energy, lose some of the power in production and transport. The standards qualify in how far or not energy is lost or wasted.
    Renewable Energy means energy that doesn’t run out like fossil fuels. There aren’t unlimitted amounts of oil. Solar and wind are examples of renewable energy.

    Hope this helps.

  7. Allygirl says:

    Presidential Election Questions?
    Hi-
    I have a few questions relating to Energy and Environment for the 2008 presidential election. I ALWAYS choose a best answer for all of you people who want to earn points. Please no rude or off-the-topic answers. I also know both sides of the election to, so I don’t need to know ‘who’s better’.

    Thanks!

    Questions-
    -Could you give me a definition of Automobile Mileage Standards?
    -Could you give me a definition of Zero Carbon and Green Gas Emissions?
    -Could you give me a definition of nuclear fuel rods?
    -Could you give me a definition of Efficiency Standards, Renewable Energy, and International Repository?
    You don’t have to answer all of them, just the ones you know.

    Allygirl

  8. Adam S says:

    Burning wood for electricity paper layout, what analysis am I missing?
    This is my current paper outline. The title of the paper is “Alternative Electrification in New Hampshire; and the advantages of biomass” If you think I’m missing something please let me know.
    Chapter 1:Introduction
    a)Motivation
    b)New Hampshire
    c)Outline and Methodology
    Chapter 2:NH Energy Profile
    a)Energy Consumption
    b)Energy Sources
    c)Energy Production
    Chapter 3:Northern Power Project
    a)History
    b)Wood Processing
    c)Functioning and Performance
    Chapter 4:Fuel Source Availability
    a)Non/renewable energy definition
    b)Insolation
    c)Wind
    d)Wood
    Chapter 5:Alternative Electrification Viability
    a)Solar
    b)Wind
    Chapter 6:Wood vs Coal in NH
    a)Energy Density
    b)Cost Analysis
    c)Source Economics
    d)Environmental
    Chapter 7:Wood Burning Technology
    a)Technology of energy extraction
    b)Schiller Station Efficiency
    c)Drying
    d)Solid Oxide Fuel Cells
    Chapter 8:Conclusions

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