erikmyers74 asked:

Originally saw this video here - www.youtube.com - but I thought it would work better with a little music.

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Info Sponge asked:


Hi there,
I’m trying to get a very basic understanding of solar power.

Can you tell me:
How many watts is required to run a laptop off power
And how many, roughly, to charge the laptop battery
how many for an mp3 player
a cell phone: simple -> smart range
a table lamp
a ceiling fan
a floor fan
a window a/c

Just want to get a feel for it!

Thank you in advance!

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DJ Prin-Z asked:


Kindly guide me how to build a solar power tower in Sri Lanka? what are the equipments are needed? what type of chemicals to be used? even a small scale solar power tower is quite enough. Thx. Ranjan.

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Ricky Lim asked:


In this time of high cost electric energy, having your own homemade solar power can be beneficial especially, because solar power is cost free and abundant in supply. Read on, because we will discuss several advantages and disadvantages of solar power and later on we will tell how you can make your own homemade solar power for a price less than $500.

1. Advantages Of Solar Power

- What I like about solar power is that it is a renewable source of energy, no matter how much you use it. You will always find plenty of it as long as the sun is up. So you can use it over and over again without need to worry it will diminish.

- It doesn’t produce pollution, unlike any other sources of energy that pollute our environment incurring global warming to our world.

- Low maintenance cost. Homemade solar power equipment needs a very low maintenance cost and can last for a lifetime. Unlike any other generators you might just need to check it once a year and it would be perfectly fine.

2. Disadvantages Of Homemade Solar Power

- Unfortunately, solar power cannot be generated without sunlight; some areas have such a bad weather until they have only sunlight few times during the year.

- Ready made solar panel systems are still too expensive since they are not manufactured in large quantities and that could put people off.

How To Produce Your Own Solar Power

Buying homemade solar power is not cheap and can cost you thousands of dollars, however you can build your own solar power equipment for less than $500. You can find almost all the necessary equipments at your local electric store.

Some of the necessary equipments are small solar panel, deep cycle 12 volt battery, box for protection from children or animal, 12 volt DC meter and DC input.

Michael Harvey has written a guide on how to make your solar generator yourself that cost less than $200.



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John Tahan asked:


I am sure that you noticed homes that have huge tinted windows in them when driving by. You may ask yourself why anyone would want such tall windows in their house. The reason is simple, they are using the sun to heat their homes and power all appliances and electronic devices. You may also have noticed solar panels on top of houses installed purposely to collect and transform the sun’s rays into current.

It is very possible to build a solar power system yourself by doing a little bit of research on the topic. If you have access to the internet like most of the planet do, then you will find some free and paid information about solar power Canada systems. Of course if you pay for the information, you will no doubt get a much better package put together, guides and videos for about $50.00. It is well worth the investment in order to build your own home solar power system for under $200.00 that will enable you to save thousands of dollars on your energy bill. After all, the sun is free.

Canadian houses like any other houses around the world are built to use solar power with just a few minor alterations to make. Make sure that your house is not blocked by huge trees, and also make sure you have plenty of windows facing the sun when it rises to the south side of your house. Solar Power Canada systems like in many countries don’t rely on the sun shinning all the time but rather, they are built to store a great amount of power from the sun in batteries. You can rest assured that even in the cold Canadian winters when you don’t see the sun for days, it is still possible to have sufficient solar power reserve until the sun makes its appearance again. You also have to lean how to conserve that energy by maybe converting to more power efficient appliances, electronic devices and light bulbs. You can also install ceiling fans to disperse the hot or cold air in appropriate seasons; metal insulated doors are also a good choice for keeping the cold out during those Canadian winter months. Solar power Canada systems are built for the primary reason of saving the planet and the environment. The second and obvious reason is of course saving money, a great amount so you can enjoy life a little more with the savings you will benefit from by installing or building your own home solar power system.



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thesolarpowerprofessor asked:


Most of us are aware that we need to investigate alternative sources of energy. While there are rebates available, the cost of solar panels can still be prohibitive for most people which make DIY Solar Power Kits a very attractive option.

Bored of reading - watch the video here

Why would you do it?

If you have a sense of adventure, you want to do your bit to save the environment or even just to save some money, DIY Solar Power Kits make a lot of sense.

You can convert freely available solar power into electricity that can be used to power your home. Solar power kits can be quite efficient, and the amount of electricity generated depends on the number and wattage of the solar panels and the amount of direct sunlight that the solar panels receive.

Once installed, DIY Solar Power Kits are almost maintenance free. The average lifespan of solar panels is over thirty years. Not only that, but they are emission free and completely silent. One thing you need to calculate before you dive in is the length of time it takes to recoup your initial investment.

Also, do you have a large enough space available that receives at least six hours of direct sun light each day? What is the pitch of your roof and are you comfortable walking on your roof? If not, you might want to consider hiring someone to install the solar panels for you. Alternatively, place your DIY Solar Power Kit on the ground in a convenient location.

What types of DIY Solar Power Kits are available?

Stand-Alone Home Power

You can make a solar power generator that can supply some or all of your electricity needs without having to be connected to the electricity grid. This can be useful, but is not limited to, people who live in remote locations.

Hybrid Home Power

You can create your solar panels to be connected to the electricity grid. If your solar panels produce more more electricity than you use at home, this will make your electricity meter run backwards. This means you’ll receive a credit from the electricity company to use when your producing less electricity - such as in cloudy weather.

What options do you have for DIY Solar Power Kits?

You can buy ready made kits and there are a few available on the internet. More and more people are using DIY Solar Power Kits due to the fact they are easy to install and most of the required pieces of equipment are in one package for you. You can also customize your kit and build more specialized solar arrays as you gain more knowledge of how solar systems work.

You can also buy a guide and find your own materials. I recently reviewed an ebook which shows you how to make solar panels in a single weekend. The materials are easily available from hardware stores and you can build the whole thing for less than $200. Read the Earth4Energy review here.

Making your own DIY Solar Power Kit is a great way to save money and feel good about playing your part to save the planet.



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janna asked:


what are the first things to consider in designing a solar power plant?

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Scott Salter asked:


When it comes to energy usage these days a lot of people are looking for alternative energy sources and as such solar power is very much coming into vogue. At its current level of technological evolution, solar power is a useful means of powering small engines to run simple devices. Fans are one such simple device and you will many instances where using a solar powered fan makes more sense than a fan powered by conventional means.

Many manufacturers now offer solar powered attic fans to ventilate and help keep attics cooler. If there is inadequate ventilation in the attic and poor sealing between the attic and the other rooms in the house, attic fans powered by electric means can potentially draw air from the house into the attic. Not only does this compromise energy efficiency but it can also increase the risk of moisture problems in the attic.

Solar powered fans rely on a small solar panel (typically 10 or 20 watt) to power a DC motor when the sun is shining. The fans are installed with intake vents to provide high-capacity powered ventilation without electric operating costs. Most vents are mounted high on the roof near the ridge and are combined with soffit or gable vents for balanced intake and exhaust air streams. Ventilation is only provided when there is ample sunshine to power the fan motor. The highest fan speed will tend to coincide with the greatest heat from the sun and consequently the greatest need for attic ventilation. By reducing attic temperature, attic fans can help reduce summertime cooling loads while at the same time providing ventilation without the added utility load.

Using solar energy to power air vents in your attic means you eliminate the need for electrical wiring in this part of the house and as a solar ventilator uses no electricity you are also avoiding any ongoing operating costs. You will find that the equipment costs for a solar powered attic fan are higher than those of a conventionally powered fan (around $200 more) but this will usually be offset by the money you save in not having to extend electrical wiring into the attic. In addition to attics you will also find solar powered fans used in greenhouses, outhouses, garages, sheds, out-buildings, and paint rooms.

Retail prices for solar powered attic fans range from about $350 to $600 depending on ventilation capacity, the manufacturer, and optional features such as a thermostat.

In instances of new construction, roofers will usually install powered ventilating units. If these units are solar powered roof vents there will be no need for an electrician to rough and finish wire the units. For retrofit projects, a roofer or do-it-yourselfer will be able to install a solar-powered attic fan using conventional tools and techniques.

Whilst not applicable in every instance where cooling is required, solar powered attic fans are an example of smart thinking utilizing a natural energy source.



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John Tahan asked:


For starter, if we look at the cost of keeping a house warm and well light and cozy it is enough to make us flip the other way to the solar power energy system. What about when you run out of electricity, do you enjoy lighting candles well of course we all do sometimes but wouldn’t it be nice if you had a home solar power system in place ready to kick in anytime when you encounter these unpleasant moments. As we all know, the sun does produce and disperses a huge amount of heat on the surface of the earth. A lot of it goes to waste when not used efficiently to our advantage. Solar power can be strong enough to power machinery and it may comes as a surprise to you but the space shuttle uses solar panels faced toward the sun in order to be able to power the shuttle efficiently.

Ok but what about when it snows and rains, when the sky is cloudy and we don’t see a trace of the sun for days. You can safely rest assured that with the amount of knowledge the scientist have about solar energy and all resources made available to them, storing solar energy for rainy days is a walk in the park for them. It is possible to produce enough heat in your solar source to create enough energy to last until the sun shows up again. Solar power is the way to the future, we must educate ourselves, prepare and we need to be ready for it. Right now solar power is primarily used by those who are more aware and worried about our earth’s atmosphere. Global warming is a big issue that we should all be worried about.

Never the less solar power is being used around the globe. It is cost effective to have a home solar power system put in place. You can choose to have a company put everything in place for you while still keeping the old conventional ways to heat your home. You can use solar energy to power your appliances only or heater only. You could also do your own research as far as material needed to implement a solar power system in your home. There are great books, videos, DVD, teaching you how to build your own solar power system.

No matter how you look at it, the advantages of having a home solar power system outweigh the disadvantages, solar power energy is here to stay and will become very popular in household around the world, we are living in desperate times and finding ways to cut expenses to keep a bit of what we earn in our pockets is the way to go. The price it may cost you to have a solar system put in place or to build one yourself will pay for itself in a very short time.



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elvic15 asked:


Which one is easier to install on a house: solar power system or wind power system?

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