Autonomous or Off-Grid Photovoltaic Systems are installations that are not connected to the electricity grid. All the energy is produced, stored and used on site.
There are different type and dimensions of autonomous systems which can range from a simple cabin installation to a system that can provide electricity for an entire village in remote areas. Apart from the photovoltaic modules; batteries, inverters and charge controllers are main components for an off-grid system.
With the cost reduction of the main components, Autonomous Photovoltaic Systems are becoming more competitive compared to systems that involve the use of fossil fuels such as a Diesel Generator.
The configuration and design of an Autonomous Photovoltaic System demands a detailed analysis of the input variables of the system (average irradiation, equivalent hours of light, orientation, inclination, shading) and of the output variables (loads, time of use, autonomy).
When there is not a backup system from other sources, you cannot take the risk that users remain without power thus it is important to install a System of appropriate size.
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