The
aim of this article is to introduce all the myths you may have heard to
disperse about solar energy, and also to remove any polish from the
smooth sale of the company speak intent to sell you their product. Of
course, no manufacturer or installer would be biased towards their
products and ever exaggerate about the efficiency of solar energy is
still fooled about what is actually doing solar production and skills
... would they?. However,
the one thing that manufacturers and sales people probably will not do
is voluntarily describe the negatives and limitations of solar panels
either.
Many homeowners have a very rose tinted optimism what a difference solar energy to make their lives and their household energy bills, and that fits solar panels will reduce your electricity bill by a proportional amount, it will not remove completely free from the net or your need for a connection to the gas and electricity supply companies. In short, solar energy is not an alternative form of electricity or means of living "off the grid" solar energy is only a means of reducing your electric bill.
Many homeowners are under the illusion that the investment in solar energy will heat their home during the winter months. This is actually almost impossible to do, consider for a moment the time of year where the days are shortest and coldest, and the sun is at its weakest and low in the sky. Inevitably, this occurs during the period from October to March, which inevitably also the time of year where your household will consume more energy. Its kind of ironic that the time of year when you have the most energy for heating and lighting, is also the time of year when your solar system output, which is fewest, and are probably the issue a fraction of that magic number the nominated photovoltaic Seller delivered to you.
An average household array of photovoltaic panels produce up to 3900 watts (3.9 kW) of usable energy, although this maximum number under ideal conditions, such as during a strong cloudless sunny day in midsummer. Photovoltaic systems still produce an impressive amount of energy on a cloudy day in the height of summer, although highly unlikely to ever produce 3900 watts all day, every day. The real-life figures are probably much less than that, and will certainly constantly variable, depending on the local conditions and of course the strength of the sun.
I often read on the internet, ridiculous ideas want panel owner or thinking of running heaters and radiant heaters in the winter months entirely of solar panels. At 6:00 on a cold December night, your photovoltaic panels will be providing zero current, certainly not the 2kw / 3kw required power for an electric heater!. Even during a typical winter day, with a weak sun in the sky, solar panels will only produce a fraction of their summer output. It's actually quite perverse that photovoltaic panels produce the most power and are most efficient in the baking hot summer months, often when household energy consumption is at its lowest annual. Of course you can still make back the money from the sale of this unused energy back to the national grid during the summer months with the feed-in tariff system, however, to gain the most of it, you must have actually bought and own your panels, but as 'rent' them of an alternative energy company.
Suffice it to say that in order to get the most out of your solar panels, you actually need to buy them outright, instead of the "rent a roof" systems in which the United Kingdom, the alternative energy company gets the lion's share of the profit will be, and you only save about £ 70 - € 100 ($ 150 to $ 180) a year from the electricity bill for a period of 25 years.
Consider also that most electricity costs are rising every year in response to the feed-hand outs for those who have their plates. Believe it or not, households are actually subsidize with photovoltaic panels to a certain degree even, because the payouts are they always from the sale of its energy back into the grid returns, which are due to the energy companies to increase the cost of Electricity clawed they sell you, and of course, with solar panels, you still need to use electricity, especially in the winter months, and your bills will continue to rise, as well as households without any form of green energy production.
If you can afford it, then buy these boards almost always the smartest and most profitable option be like when renting a company rent your roof for 25 years in return for a small saving on your annual electricity bill, especially since the saving is in contrast probably decrease each year as the electricity that you will buy more expensive, must primarily as a result of more and more people fit photovoltaic panels.
Another thing to consider when buying this type of product is the length of warranty that the plates come up with. Its OK for the panel companies promise a return on your original investment after 10 - 20 years if their products are reliable and have the highest efficiency for the same amount of time. But what happens if the product fails or wrong outside of its warranty period, and before that an "investment" was returned?.
Looking to the warranty period for some of the most common brands of photovoltaic systems, I find that there are two terms often used when there. Around solar panel warranty periods, and this may be the owner of a certain confusion Therefore, I will do my best to explain what these conditions imply warranty.
Workmanship / materials warranty - largely means the period of the guarantee for the installation. Normally, this is given by solar panel companies in the longest of the two periods of Warranties. This warranty covers the installation of the panels, in other words, the quality of workmanship in relation to fitting panels on the roof, the wiring between them and the inverter / meter etc. If the fasteners holding the panels on the roof should fail, then This would be covered under this warranty.
Manufacturer Warranty - This is much more of the relevant warranty period in nuts and bolts terms, as the plates are necessarily the most expensive part of the entire solar panel installation, and should not, these are the things to replace cost the most.
From looking at the various solar panel company around the Internet, the average duration of the warranty on panels about 5 years, this means that when the plates will of course fail because of a manufacturing defect replaced / repaired under warranty.
But lets for a moment, the fact that you paid for something up to £ 12,000 ($ 20,000) to have an installation on your property and that the product carries the most popular 5-year manufacturer's warranty. They work out that the payback period from the purchase of your panel takes 10 years to break even by selling your unused electricity back to the city works. Effectively you have a 5-year period between the manufacturer's warranty and the point where you can effectively re-installing paid costs, so what happens if the product (s) fail or waiting to be expired during the warranty period, 'no man's land'?
Well, in short, if you own your panels, then you will have to pay to repair them and for maintenance work, then add more cost to the original installation costs and extend the amortization period. If you have multiple panel repairs or replacement during the warranty period expired need time, then this period could be extended considerably. Maybe the alternative energy product manufacturers would be better to have a warranty on their products for a living, the average payback period have exactly one household? or perhaps the government should also sign the costs, especially as they are keen to roll out green energy as a means of saving electricity seems.
Because some people are promoting solar panels have a life span of up to 30 years, then why is not the actual manufacturer warranty against?.
The other myth in relation to solar cells is that it increases productivity. This may be in America or Japan, where the most popular solar panels are made true, but the company of solar panel installations is not benefiting UK manufacturers, because there are few of them are located here.
There are also doubts about the actual veil slowly 'Green' aspect of solar panels and their place in the energy of the food chain pulled. Yes, in fact solar panels replace some of the electricity that would otherwise burn gas or coal, or nuclear industry would generate, but solar is probably only a fraction of the energy requirements of the United Kingdom or indeed any country as a whole.
The speech is 5 and from the fact that solar panels more energy to design, manufacturer and export as they probably designed by the production of green energy during their lifetime, which is given by the figure on Some manufacturers' warranties is to require only return around years!.
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