How We Design AN Off Grid Solar Power System?

Views: 16     Author: 1st Sunflower     Publish Time: 2019-05-08      Origin: Site



There are many reasons to use solar panels to power your home or business. Solar equipment prices have plummeted in the last decade. Solar power is a wise investment that can save you thousands.


Off-grid life is attractive for many reasons. Maybe your utility company is not reliable, or the utility company in your area is too expensive. Regardless of the reason you are off the grid, the first step in determining the best off-grid solar system is to determine the power required for production and storage.


Off-grid solar systems must be properly designed to generate enough power throughout the year and have enough battery capacity to meet the needs of the home, even in cold winter months with less sunlight.

How We Design AN Off Grid Solar Power System


The complete off grid solar power system includes solar panels, solar recharge controller, off grid inverter, gel battery etc. For these components, please kindly click here for further details,

How We Design AN Off Grid Solar Power System-2

From this drawing, you can obviously find how this system works.

  1. Sun shines on the solar panels generating DC electricity;

  2. The DC electricity is fed into a regulator which controls the amount of charge;

  3. GEL batteries are charged;

  4. 12 volt appliances can be run directly off the batteries or the current routed through an inverter which converts it to (110-127V,220-240V, 380-400V,50Hz/60Hz single or 3 phase) AC electricity; suitable for running standard home appliances.


Even if we know how this system works but how to design an off grid solar power system to let it work? If you have any interests, here are the 6 steps to get you started.

  • Calculating how much power you will need

  • Calculating the amount of battery storage required

  • Calculating the number of solar panels needed in your location

  • Choosing a solar charge controller

  • Choosing an Inverter (Total load of home appliance)

  • Balance of system, there are a lot of other little components needed, including:

    1.The fuses and breakers for over current protection

    2. What breaker boxes will be used

    3. Where and How you are going to mount solar panels

    4. What size wire you will need


If you do not know those data above and need us to help you design an off grid solar power system, we need to tell us

  • Your location (city name)

  • Power and the number of your home appliance (equipment name)

  • How many hours they need to work a day

  • Structure of your house roof (flat or sloped)


There are many different kinds of solar power systems including grid-tied, hybrid and off-grid solar power system. Out of the three main options for solar, off-grid solar power is by far the most independent of systems.


Off-grid solar power users enjoy producing and consuming their own electricity rather than relying on the voltage and price fluctuations from the local electric company while greatly reducing there carbon footprint and moving towards a more ecologically sustainable way of life.


Perhaps the most attractive part of living with off-grid solar power is when there is a storm or a blackout from your electric company you will continue to have power. With this power freedom comes the extra costs of off-grid living when compared to grid-tied solar power as well as power limitations by your inverters and the extreme importance to design your system perfectly in-line with your needs.

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