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PV solar panels are still a relatively new technology. While we have all seen the systems in our neighborhoods, perhaps even have a few friends who have had solar panels installed, we haven’t seen the panels in action for more than a year or two. What everyone is curious about is whether PV solar panels will last long enough for us to get our investment back from the feed-in tariff and keep earning tax free money.
PV solar panels are not a cheap investment. For the £10,000 or so they cost for the average home, it is understandable that people want to research this investment. PV solar panels are an investment, most people expect to earn money generating electricity and in an increased an home value. The saving from not having to purchase so much electricity from a domestic electricity supplier also figures into the investment.
If the feed-in tariff scheme permits homeowners to receive payments for 25 years, you would expect this is how long PV solar panels last but this isn’t necessarily true. Manufacturers claim the solar panels last for approximately 20 to 25 years but their efficiency decreases greatly after 20 years. Basically, there are very few solar panels reaching the 20 year mark so only time will tell with any certainty. Also, the solar panels sold today are quite different than the solar panels sold 10 years ago so it really is difficult to judge.
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