Guangzhou Anern Energy Technology Co., Ltd
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Photovoltaic System Knowledge: Commercial Off-Grid Solar Systems

In towns and villages, many houses, buildings, and farms are located in places where accessing the grid is impossible. Regardless of the proximity to a substation, connecting these sites to the network is very difficult, extremely slow, and requires high costs. Commercial off-grid solar systems are an extremely practical and affordable solution to this energy problem.


Commercial off-grid solar systems


Commercial off-grid solar systems are completely independent power generation facilities that are powered solely by solar irradiation (light).


Usually, such systems are widely used in remote areas and places that cannot access the national grid, including remote buildings in off-grid plots, mountain cabins, pumping irrigation systems, emergency alarm systems, security and surveillance systems, lighting road signs, boats, bungalows, villas, etc. Commercial off-grid solar systems are very suitable for locations and households with limited electricity usage.


Designing and selecting a single commercial off-grid solar system is a multi-layered process that depends on various conditions. Some of the main factors affecting the planning of an independent power system from the grid are: how it will be used, seasonally or year-round? Which appliances will it power? How long does the consumer work each day, and when? Where is the site located?


Therefore, to calculate a suitable system, it is necessary to collect accurate information about all the appliances the system will provide. Off-grid systems can have a variety of uses; garden, park, or street lighting, video surveillance, security systems, homes, agricultural or production needs are just some of the choices.


Elements of commercial off-grid solar systems


Photovoltaic panels


Solar panels generate electricity from sunlight, have a long service life, and the power warranty period is at least 25 years.


Solar controllers


Solar charge controllers are responsible for the charging and discharging process of the batteries.


Energy storage batteries


Batteries store the energy produced by the panels when it is not immediately consumed, and use it when there is no power generation.


Solar inverters


Photovoltaic power generates direct current, and solar inverters convert it into alternating current, compatible with public electrical appliances.


Capacity of commercial off-grid solar systems


Commercial off-grid solar systems can not only power lighting, home appliances, and security and monitoring systems, but they can also be applied to office buildings, and even in production processes.


  • 3kW: 3kW of commercial off-grid solar systems can meet more energy needs. It is suitable for small households, cabins, and even agricultural land.

  • 5kW: 5kW of commercial off-grid solar systems is an ideal choice for installing in mountain cabins or office buildings. Such solar systems can meet the needs of a household.

  • 10kW: 10kW of commercial off-grid solar systems is suitable for office buildings with 10-20 workspaces, small production processes, or guesthouses.

  • 30kW: capacity of30kW of commercial off-grid solar systems can power livestock farms, housing cooperatives, hotels, or industrial processes.


Advantages of commercial off-grid solar systems


When the grid cannot be accessed or connect to your home or business, commercial off-grid solar systems provide complete energy independence and power supply.


  • Independent of the grid

  • Not affected by rising electricity prices

  • Increase property value

  • Environmentally friendly electricity

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