Homemade Solar Power
Homemade solar power systems are a great way for a homeowner to generate their own power to help lower their 
monthly electricity bills. The newer homemade solar power systems available today are less expensive and simpler to install than ever before and are much more efficient as well.
The newer solar panels available today have close to 20% efficiency and are built to last loner than older panels. This means you need less of these new panels to generate enough power for your home. Because these new panels are so efficient you need a smaller amount of roof space and since you are buying fewer of them, the system will cost you less too. Besides being more efficient, the new panels are also built to last longer and generate peak power further into their lives. The reason they can do this is that the solar cells that make up the panels have been dramatically improved over the years.
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Older solar cells would start to decay after a few years and the amount of current they would generate would start to drop off. Since a typical solar panel contains many individual solar cells, this was negligible initially. As more cells started to decay, the solar panel would slowly start to generate less and less output current and would need to be replaced. This was frustrating for homeowners since the longer the panels last the more power they could enjoy from the sun for free. The newer panels use a newer version of these solar cells that decay less and will stay at peak operating levels for most of their lives. This means the average homemade solar power system can use the same panels for decades before they need attention.
Another key component of any homemade solar power system is the inverter and these have been improved as well. The inverter is the part of your homemade solar power system that converts the DC current produced by the solar panels to AC current that can be used by your home. It also switches between solar power and your local utility in the evenings so you always have the power you need. Older versions of these inverters were built to handle a very specific amount of solar cells and current. That meant that you would basically have to design your homemade solar power system to fit these specifications exactly and could not expand the system once it was installed. This was a bit of a problem for many homeowners who would have liked to been able to start with a smaller system and then grow their capacity over time. With the newer inverters, you can easily do this.
They are built to be very flexible and will let you start out with a small system and add a few panels each year as your finances allow. This way you can start with a relatively inexpensive system and still gain the benefits of free power, and then expand your savings each year. These new inverters also easily allow a bank of batteries to be added later if you choose and some of them will also allow you to combine your homemade solar power system with a wind turbine for even more free electricity. This gives you one system to monitor and makes controlling all of your alternative energy solutions easier. Some of these new inverters also have expanded software that allows you to better monitor the health of your system and the amount of power you are producing.