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Solar panels are the core of any photovoltaic system, and proper installation directly decides how much electricity you can generate.

First, check orientation and tilt angle. For the northern hemisphere, panels should face true south. The tilt angle is usually close to your local latitude to capture maximum sunlight. Avoid shading from trees, chimneys or other buildings; even small shaded areas can drop the whole string power significantly.

Leave enough air gap between panels and mounting surface. Good airflow reduces panel temperature. Solar panels lose efficiency when overheated. Use qualified mounting brackets and waterproof sealing for roof holes to prevent roof leakage.

Always follow safety rules. PV modules produce DC power once exposed to sunlight. Wear protective gear and avoid wiring panels under bright sunlight. After installation, clean the surface regularly to remove dust and leaves.

If you plan to expand your solar project later, reserve extra space and wiring capacity for more panels. With correct setup and simple maintenance, your solar panels can deliver stable power for 25 years or longer.