by 
bcoden
ANSWERS: 9
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Depends on the Solar technology you choose, the scale, any rebates you get, your climate, etc. It will be worth it, everytime, as long as nothing goes wrong. If a large hailstone cracks a panel, and you chose a large panel that cannot be repaired or has no replaceable Modules, then your investment may go down the sink. The warmer and sunnier your climate, the higher your rebates, the more panels you have, The faster your investment will pay itself off. Thats just a financial answer. Effects on the environment are harder to measure, as the silicon had to be treated and manufactured, transported etc, but you consume less fossil fuels.
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From what I've read, the return on investment is about 8 to 10 years currently, but that is shortening. If you start selling power to the grid it can be as short as 4 years.
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No, at least not yet. Don't forget, besides the panels a battery array and the associated charging and distribution equipment is also required.
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There are several factors. If you look at simple payback that doesn't tell the whole story, because a well designed system with a long service life has resale value; it increases the value of your home. If someone is interested in buying your home and you can show its fuel costs are 75% lower than the house next door, you can bet that's worth something. So if you include yearly fuel savings, and positive resale value, it's worth it from the first year, assuming 1) you're in a climate requiring heating, 2) you're in a place that receives some sun.
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Presuming you take MY money (via government subsidy) to install your system, and don't ever need to repair or replace your roofing, then the answer is "maybe". otherwise, you're pre-buying your electricity. Otherwise, the cheapest solar installation costs $4/watt. Assuming $0.10 cents per kWh from your electric utility, it would take 19.9 years for you to break even, if your interest rate (or opportunity cost) is zero, and you never need to spend another dime on your system (maintenance, repair, removal & reinstallation for roofing issues, etc).
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Yes this is true because the installation of anything is easy and cost effective but the managing that thing is little tricky but we can handle this situation by the help of some online stuff working or online stores sites like http://www.ehow.com http://www.howstuffworks.com http://www.ibuysolarpanels.com
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Is it worth installing Solar Panels on your Roof? Now you can decide for yourself. ------------------------------------------------------------------------- --------------------------------------------------------- Installing solar panels requires a big initial investment. Before you make this investment you should check to see if the money you will save by installing solar panels will pay for this investment. This website " www.MySolar2020.com " provides you an opportunity to examine how much money you will actually save if you install solar panels. To calculate your savings, the website considers the area (square feet) you currently have available to install solar panels. It looks at the available sunlight and its intensity in your state each month of the year. Based on this data the website (MySolar2020.com) estimates how much energy your solar panels will generate. It compares that with how much energy (kWh) you currently consume. You can find average energy (kWh) usage from your monthly utility bill. This data along with the savings is presented in a simple report on the website.
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By solar, I assume you mean photovoltaic. Solar hot water heating has a very fast payback period. PV systems, under our (US) current economic system are hard to justify on a purely economic basis. With tax incentives and a fair price for carbon offset, these systems will rapidly pay themselves back. +3
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I built my own Solar Panels for under $100 as well as a Solar Water Heater for just $10! I currently use them to power my 1700 Square Foot home! Get the plans at: http://ambigrid-review.blogspot.com
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