Solar Lighting Self-Evaluation

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What is the solar input of my site?

Look up. Evaluate your patch of blue sky. Is your site unobstructed by trees, towers, and neighboring homes? If you are free and clear of shade, you are ready for efficient solar powering.

What are the geographic and climatic factors affecting my solar system?

Nightly run time product claims are based on specific sunlight conditions. Outdoor solar lights located in places that receive less sunlight than potential solar cell intake will operate for fewer hours per night. Seasonal conditions can also shorten operating times due to insufficient battery charging. The emitted light weakens when stored battery energy fades.
Also, consult local codes before installing larger energy systems.

Where will I place my solar panels or solar cells?

After assessing your light availability, choose a space that receives maximum sunlight to achieve the greatest solar energy input. Aim for south or southwest exposure. Pay attention to any fences, architectural overhangs, or trees that may shade your solar cell.

Do I want stand-alone lights, or will I wire them to an existing solar power system?

If you are using a stand-alone solar lighting unit, tilt the fixture so that the solar cell (often on top) faces south. A minor exposure adjustment can make an enormous difference in lighting output.

At what off-ground height do I want to install my lights?

Choose ground-level lighting for garden and pathway lighting. Choose mid-level lighting for door-entries or other 8 to 15ft mounting applications. Choose high-level lighting, such as solar street lamps and floodlights, for parking lots and large illumination applications.

How far do you need to cast light?

Check manufacturer product descriptions for estimated light reach.

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