Your PV System size needs to be just right for maximum savings
There are several parameters to consider when designing the optimum size of your PV system. The correct solar system size depends on the actual solar panel technology (i.e. the rated power, Pmax, measured at STC or Standard Test Conditions, the panel’s power variation with temperature and its’ projected degradation over time), your electric bill and associated tariff structure, such as Net Energy Metering known as NEM, NEM2 or Feed In Tariff abbreviated as FIT, and including its’ projected increase over 25 years, your projected increase in power consumption, the area and orientation of sections of your roof, any shading from nearby trees or buildings, your home location and the weather at your location which determines the amount of sunlight that falls on your unshaded roof.
Smaller than optimum PV system size will not enable you to get an optimum solar energy production which will lead to a lower than optimum savings from solar. On the other hand, you can lose money if the installed system size is larger than optimum system size. Interestingly, in this case, it does help installers make more money as they charge you by system size.
This means that determining an optimum PV system for optimum solar savings is best left in the hands of PV experts. One such online PV expert is pmaxsolar.com, which offers an innovative and highly dynamic website based on cloud computing that helps you estimate your optimum PV system size within seconds. We provide a free of charge detailed report of your projected solar savings including system size. We also help you connect to qualified installers who will provide you actual installation quotes. In addition, your free membership to pmaxsolar.com gets you access to roof calculator tools for evaluating and comparing installer quotes. The sun is free, so is PMax Solar’s service to you, check us out.
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