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Sometimes they are if they are installed on a sun-facing sloping roof in a place with plenty of direct sunlight. However there are many unscrupulous companies that will install solar panels in places where they do not actually work very well.

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Q: Are home solar panels worth the expense over their lifetime?
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Continue Learning about Natural Sciences

What in the solar system is worth 10 sextillion?

Nothing, everything or something.


What was galileos thepry of the solar system?

We'll never know. But it may be worth noting that Galileo supported and played a major role in the theory concerning the heliocentric theory, or the belief that the Sun was at the center of the Solar System.


Why is methanol not synthesised from hydrocarbons?

Because it can't be. Larger alcohols can be formed because of the presence of alkene or alkyne bonds; these can be oxidised in a controlled fashion to form the alcohol. Methane, with only one carbon, cannot have such bonds. Any other method of production is inefficient and has such a low yield and purity that it is not worth the time and expense.


When the moon is between the sun and earth what determines if a solar eclipse occurs?

Solar eclipses occur when the Moon and Sun lie on the same line of sight from the standpoint of a terrestrial observer. Naturally, there are two types of solar eclipses: partial and total. The Sun and Moon have about the same angular size (they take up the same amount of area on the celestial sphere as seen from Earth), so in order to have a total eclipse, the alignment of Sun, Earth, and Moon must be just right for the right observer. It is also worth noting that the Moon's shadow is not as big as the Moon; it shrinks proportional to the square of the distance between it and whatever object it's casting its shadow upon (in this case, the Earth). Total solar eclipses are both very rare and subjective. That is to say that there is only a small area on the Earth where one can observe a total solar eclipse when one occurs. Others will see a partial eclipse.


What planet in the solar system would you visit and why?

Mars because it would be the next easiest to inhabit, terraformed or not. The rest in the this solar system are to harsh to make it worth while. And beyond this solar system it too far for humans to travel at present.

Related questions

Are solar panels worth the money?

In the long term installing solar panels is worth the money. For example, a household of 2 adults and 3 children, before they got solar panels their monthly bill was $200 (AUD). But after they got solar panels their monthly bill was $45 (AUD). That was a saving of $155 (AUD). The solar power altogether was $1800 (AUD) so in a year the savings in the power bills would equal $1860 (AUD). Thats $60 (AUD) over what the cost of the solar power. In my opinion, solar power is worth the money.


Is home solar power a good choice?

Home solar power can be an excellent choice if there is space to place the panels. Why the panels are quite costly, the long term money saved is definitely worth the value.


How much will you save if you install home solar panels?

On your taxes you can save up to 30 percent. It will take a lot to get the solar panels though but it will be worth every penny and the time. Good luck on this journey.


Are do it yourself solar panels worth the hassle?

Yes it is definitely worth the hassle. The main reason is that in the long run it will save you thousands of dollars. Also it is kinder to the environment.


Where can I find information online about companies that install solar panel systems?

Solar power panels are expensive but definitely worth looking into to save money on power bills. I would recommend trying this website: www.apollosystems.com.


What Are The Common Mistakes You Can Meet At The Installation of Solar Panel Melbourne?

Now people are showing more interest in installing the Solar Panel Melbourne, which are worth for your investment and bring benefits to you in multiple ways. Solar panels are an alternative for other energy sources that do not need any fuels. All they want is enough sunlight to produce the electricity for your home. It is the best boon for you to save your electricity bills; you can enjoy the power by using the solar system. That is safe for the environment, but you have to be conscious when you fix the panels. If you know the mistakes to be avoided when installing the solar panel system, you can enjoy the complete benefit of it. Refer below to know the errors to be eliminated when you place them in your home. Ignoring the pre-installation The installation process is not that much easy, you have to know certain things about it. You need to plan properly before go to fix the panels. When you decide to install them, be sure to know which direction is the best to place it. Check that the roof is strong enough to keep the panels. The solar panels will have nearly 25 kg weight, so it must to know the quality of your roof. Plan the pre-installation process properly before placing the solar system; it will help you to reduce your unwanted stress. Choose the wrong size panels Most of the people made the mistake of choosing the inappropriate size panels for their home. For this purpose, you have to calculate the power usage of your house, and then go with the dimension based on it. There is an easy method for you to know the power usage of your home is by checking the past 3 month’s electricity bill of your place. It will aid you to know the amount of source that is required for your house. Then select the solar panels according to those sizes. Install the panels on the old roof Usual solar panels will endure for nearly 20 years in your home. So, you have to be sure that your roof also stays as long as that much of time. If you fix your panels on the aged roof, then you need to be installing it again on the new one. So, when you install the solar panels, never forget to replace your roof also at that time. It will avoid the unwanted fees in again fixing the panels and ceiling. Go with the one which has the potential to stay as long as more than 20 years. Go for the lowest price Solar Panel Melbourne The major reason for people using solar panels is to avoid electricity bills. So, it is always better to keep away from the low price panels which do not have the assurance for their quality. That is worth investing in solar panels, so don’t fear choosing the expensive one. They will endure for more than 20 years with supreme quality. When you consider the low price panels that will lead you to spend more amounts in maintaining them. Place the Solar Panel Melbourne in a wrong position A solar panel will get enough energy to produce electricity from the sunlight. In case, if you failed to place the panel at correct position, it will not produce and supply the sufficient Solar Power Systems Melbourne for your home. So, when installing them, be sure to keep the panels directly from the sunlight. Then only you will get the power, if any of the blockages in the path of sunlight remove them. Don’t keep the panels on the shadow area which reduces the lifetime of it. Final verdict When you avoid the above mistakes, you can place your Solar Panel Melbourne without facing any troubles. We Cygnus energy offers you the best panels that stay longer than the normal lifetime. Instead of wasting your valuable time and money at electricity bills, just make use of this smart option. Just make an order here and install the panel within a quick time.


Why are solar panels used?

Solar panels can be used to generate a portion of your home's power in order to reduce your dependency on traditional power sources. For instance, you can install panels to provide electricity just for appliances or lighting, to reduce your dependency on the utility company, as well as lower your bill.


What is the problem with solar energy?

Solar energy, while being quite useful, can also have it's own problems. For example, how does solar energy work if you occupy a place that rains most of the time? The sun is never out so, no solar-power. Furthermore, the rate of efficiency with solar panels is only 40%, is it worth all the money that is paid for them?


How is sunshine free like solar energy?

Sunshine is solar energy. It is free if you collect your own solar energy because nobody legally owns the sun (and nobody ever will), therefore solar energy from the sun is free. However if you depend on a thrid party to deliver the energy to you from a solar power station, it will cost you a maintenance and delivery fee, to pay for the upkeep of the station. However, if you install your own solar panels rather than relying on a third party, it will cost you to install solar panels on your home, to convert your home to using solar energy and to take your home "off the system" (to remove your dependency from nationally-produced power). But it will not cost you anything to use solar energy from your own solar panels. In a couple of years, you would have produced enough personal energy from solar power to make the cost of the conversion worth it.


Can I install Solar Panels myself or will I need a professional?

My husband is very handy and two years ago he installed solar panels on our roof. He just read the instructions and watch a video on how to install them. We live in Philadelphia and we needed to get a permit from the city, but thats all it took.


Is solar panelling on the roof cost effective?

The price is still a bit high, in the sense that it will take some time to realize the savings on your electric bill. The price may very well be worth it however, if your are looking to do roofing repairs and are interested in installing the solar panels.


What does expense mean?

It means it is worth a lot.