SMILE SOLAR ENERGY CO., LTD.

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HOME  /  Knowledge
【Investment Appraisal】Q41 How much do the batteries cost setting the grid off solar PV system? How long can the batteries be used? How long do the batteries need to be replaced? 可以蓄電多久? 多久要更換?
       Depends on the brand, standard, and level of the batteries, they have great differences. For example, one deep-cycle battery of 12V and 100Ah costs about 3,000~6,000 dollars. If the battery charges/discharge one time regularly everyday, it needs to replace every two years.
【Investment Appraisal】Q42 What are the basic condition for setting solar PV system?
(1.)Make sure the legality of the building and land.
(2.)No shelter around.

【Investment Appraisal】Q43 Will the solar PV system change the original domestic power system?
       Those two are independent systems. The original pipelines will not make any change.
【Investment Appraisal】Q44 Will the solar panels be damaged because of typhoon?
       The solar panels are fixed by the bracket system. All structure is certified by structural technician. We guarantee this structure can stand the strength of typhoon.
【Investment Appraisal】Q45 How to generate the electricity generating capacity of solar PV system? How to get feedback from selling electricity to Taiwan Power Company?
       The electricity that solar PV system sells to Taiwan Power Company is mainly AC power. In order to measure the sold electricity generation capacity, there is a standard meter doing the record. Taiwan Power Company will do the record periodically, and calculate the amount of sold electricity. After the application process id completed, Taiwan Power Company will do the record at the installed equipment position. Taiwan Power Company will send you “Wholesale purchase renewable energy tariff notice” about every two months and other relevant documents need to be stamped (Different rules in different districts). Please stamp the documents and send back to Taiwan Power Company, and then the money on the tariff notice will be remitted to your account.
【Investment Appraisal】Q46 How to estimate the investment returns of solar PV system?
Qac= ESH ×WPV ×PR
Qac=Total electricity generation capacity sold to Taiwan Power Company.
ESH=Equivalent insolation hours of installation site that is the amount of insoletion.
WPV=The capacity of installed solar panels
PR=Performance efficiency of the system. It depends on the design, construction, and component quality of system operators.
       We can get the maximum electricity generation capacity from the above formula (maximum income). It requires the best solar panels settled at the sites with good insolation, and operated by the most professional system operators. Thus, this system needs to operate continuously at least 20 years. If the initial setting chooses undesirable products or industries, the expected ROI cannot be reached, and may even result in huge loss.
【Investment Appraisal】Q47 The government purchases 20 years of electricity generation capacity, but can the solar PV system I set maintain for that long?
       There are two parts of solar PV system: equipment and materials. The first one is solar panels, and based on the current technology, the products can operate for over 30 years. Only need to consider the capital and reputation of production plant. In the 20-year guarantee period, if the production specifications do not meet the regulation, the production plant need to survive and has the capability to handle. The second is that whether the other components and construction are correct or not will depend on system operators’ various guarantee schemes.
       If the above two parts are correct choices, then operating for 20 years is not a problem.
【Investment Appraisal】Q48 If the general public want to set solar PV system, where can they find the information of the system operators?
       In the past, Bureau of Energy promoted setting solar PV system by providing subsidy for general public, industries, schools, institutions, and juristic person, while training the manufacturers’ construction capability and experience. If the public refer to the information of the system operators, they can contact relevant public associations, such as Taiwan Photovoltaic Industry Association, Photovoltaic System Association, and other units.
【Investment Appraisal】Q49 What services are provided for setting solar PV system?
       We provide consulting, planning, design, application, installation, maintenance, and other comprehensive services, including all the administrative jobs, like signing with Taiwan Power Company, checking and accepting by Bureau of Energy until the owner get the remittance of wholesale to Taiwan Power Company.
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