Flexgen Solar – 100 Watt Roll Up Solar Panel Price

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Do you want to shop for Solar System , Flexgen Solar – 100 Watt Roll Up Solar Panel is may one of your choice? Purchasing used solar panels is more of a risky business than purchasing surplus panels because there is much more chance that the panels will not work properly. When purchasing any used solar panel, it’s best to test them with a mulitimeter while the panels are exposed to full sunlight, in order to determine how much energy the panels are capable of producing.

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Flexgen Solar - 100 Watt Roll Up Solar Panel

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Flexgen Solar – 100 Watt Roll Up Solar Panel

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3 Tiers Of Solar Panel Quality

In addition to cost, when choosing the best solar panel for you, it is important to consider both how it is manufactured and what materials are used. There are three tiers of manufacturer quality and Energy Matters only supplies solar panels from the first two tiers.

Tier one includes the top 2 percent of solar PV manufacturers. They are vertically integrated, which means they control each stage of the manufacturing process. These companies invest heavily in research and development, use advanced robotic processes and have been manufacturing solar panels for over 5 years.

Tier one producers use the best grade of silicon to produce solar cells– the higher the silicon grade, the longer the solar cell will last and the better it will perform. Tier one manufacturers produce some of the best performing solar panels.

Tier two includes companies who invest less in research and development, are reliant on both robotic and manual work on production lines and have often been in solar panel manufacture for 2– 5 years. Generally, Tier two manufacturers produce good panels at good prices.

Tier three encompasses 90 % of new solar PV manufacturers. These companies assemble panels only, they usually don’t manufacture their own cells and don’t.
invest in research and development. They use human production lines for manual soldering of solar cells, which often isn’t the best approach as quality can vary operator to operator and day to day.

Cost Vs. Value – Other Factors.

As not all panels and module manufacturers are equal, there are a variety of other factors that should influence your purchase decision rather than focusing solely on cost.

Tolerance.

This is the range a panel will either exceed or not meet its rated power. A solar module may have a ‘nameplate’ wattage of 200 watts; but due to quality control issues, may in reality only be 195 watts. A positive tolerance rating means the panel will not only generate 200 watts, but perhaps more under standard testing conditions.

Temperature co-efficient.

The temperature co-efficient rating is important to determine what the impact heat has on a solar panel’s operation after installation. The lower the percentage per degree Celsius, the better.

Conversion efficiency.

The efficiency of how a solar panel converts light into electrical energy will determine how much power your system generates.

Embodied energy.

Another important aspect to look at is the embodied energy of the solar panel– that is how energy intensive the production of the panel was and how quickly it will have paid itself back by producing more energy.

Durability / Longevity / Warranty.

The durability or longevity of a solar panel is important for a number of reasons – it can be an indicator of the manufacturer’s confidence in its products. Reputable solar panels will have warranty a period of 25 years. All of our key panels; REC Solar, Daqo, Sumec Phono, Solar Frontier and Panasonic feature this 25 year warranty period.

It’s another reason to select a well known brand of solar panel rather than an obscure low-cost brand that may disappear overnight. It’s best to choose an installation company that is a service agent for solar panel warranty work for the particular manufacturer you select so if you do strike a problem, the turnaround time to a resolution will be far faster.

Size and Watts.

The size of the solar panel in Watts will directly affect the cost, as solar panels are usually priced (and compared) in dollars per Watt. Watts are related to the output of each panel; meaning a 100Watt panel under ideal conditions will generate 100 Watts of electricity each hour and a 200 Watt panel will generate 200 Watts each hour. Expect to pay double the price for the 200 Watt panel, compared to the cost of a 100 Watt panel.

The output of a panel also affects the physical size of the panel, meaning the 200Watt panel will be larger in size to the 100 Watt panel. The type of solar cells used in its production also determines the size of the solar panel. They key issue to consider is that your system sizing is enough to power your appliances, and that the solar panels will physically fit in the area you wish to install them.

Your northerly facing roof space is very valuable solar power real estate, so you’ll need to consider carefully your future plans. If you believe at some stage you will wish to install more solar panels, you need to ensure you’ll have the space to do so, otherwise you may find you’ll need to replace existing panels well before the end of their serviceable life.

Types of solar cells used.

There are 3 main types of solar cells and the best solar cells for you will vary depending on the installation application.

Monocrystalline silicon offers high efficiency and good heat tolerance characteristics in a small footprint. An example of a quality monocrystalline solar panel is the Daqo 250 watt mono module.

 

Polycrystalline (or multi-crystalline) silicon cell based solar panels are now the most popular choice in residential installs. Recent improvements in polycrystalline panel technology have resulted in the development of modules equal to or better than many monocrystalline brands in terms of heat, efficiency and size tolerance. One of the world’s leading producers of polycrystalline panels is REC.

Amorphous (or thin-film) silicon uses the least amount of silicon. While some thin film panels are among the least efficient solar cells, Solar Frontier CIS solar panels offer the highest conversion efficiency of any mass-produced thin-film module.

Solar Panel Shopping Checklist.

In summary, these are the major points you should bear in mind when buying solar panels aside from cost:.

  • Consider how the module is manufactured and the materials used.
  • Research how the panels perform in real world situations – including positive tolerance, temperature co-efficient rating and efficiency.
  • Compare the warranty details of the solar panels you are considering.
  • Learn more about the company that manufactures the panels.

The size of the solar panel in Watts will directly affect the cost, as solar panels are usually priced (and compared) in dollars per Watt. Watts are related to the output of each panel; meaning a 100Watt panel under ideal conditions will generate 100 Watts of electricity each hour and a 200 Watt panel will generate 200 Watts each hour. Expect to pay double the price for the 200 Watt panel, compared to the cost of a 100 Watt panel.

The output of a panel also affects the physical size of the panel, meaning the 200Watt panel will be larger in size to the 100 Watt panel. The type of solar cells used in its production also determines the size of the solar panel.


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