Installing a photovoltaic system means sizing it against the household's consumption, fixing the mounting structure to the roof or ground, mounting the panels, running the DC cabling, installing the inverter and protection panel, then commissioning the system and filing the grid connection paperwork. An electrician holding an ANRE certificate is required to carry out the electrical work legally and to sign the documentation for prosumer status. Beyond the installation itself, specialists check that the roof structure can take the extra load, choose the right inverter — on-grid, hybrid, or off-grid —, fit battery storage systems, and set up production monitoring. A properly installed system generates power for 25-30 years with minimal intervention.
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