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What is solar lighting: definition, how it works and examples

What does solar lighting mean?  Simply put, solar lighting is outdoor lighting powered by the sun. A solar panel collects solar energy during daylight hours and charges a battery that powers a fixture light when the sun goes down. Solar light has three essential components: A high-efficiency fixture A solar panel (EV) A rechargeable battery […]

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Do Solar Lights Charge on Cloudy Days?

The short answer is – yes! Although direct sunlight is key to charging solar panels, they continue to charge even on cloudy, overcast days. Sol’s innovative lighting systems and products, for example, are designed to work for at least four days with no direct sunlight! This is what we refer to as the autonomy of […]

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Lighting, an Essential Service

In our “new normal” COVID-19 pandemic world, essential services are a popular topic. Jobs like health care and emergency services, utilities, transportation, and food and grocery store workers are considered essential to preserving health and social well-being. A less discussed but still essential innovation for modern society is an example hailing from the dawn of […]

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Buy American Solar Lights

The Buy American Act (BAA) has been a significant piece of legislation that has impacted American companies and workers for decades. At its core, the BAA is designed to protect American labor and businesses by restricting the acquisition and use of end products that are not considered “domestic.” In other words, the BAA makes federal […]

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How To Properly Size a Solar Street Light

How To Properly Size a Solar Street Light At Sol by Sunna Design, we’re proud to be able to provide municipalities with reliable solar street lighting to illuminate their streets and parks, bring needed light to remote areas, and meet sustainability initiatives. Our lights are field-proven to meet industry-standard light levels reliably for years with […]

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Solar Lighting: Fact vs. Fiction

Solar lighting is expensive. It is unreliable. It only works in warm, sunny locations. Despite proven benefits and growing popularity, misinformation abounds when it comes to what solar lighting is, how it works, and who it works best for. Fortunately, you don’t have to believe everything you hear. Qualified solar lighting professionals—that’s us!—can help you […]

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How the right lighting can help your community become a Dark Sky Place

When you look up at the sky at night, what do you see? If you’re like most people living in or near an urban center, chances are, you don’t see much. In fact, recent data shows that only about 20% of Americans can see the Milky Way from their homes. That’s because light pollution, or […]

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How Fixture Placement and Output Can Affect the Cost of Your Solar Lighting Project

One of the biggest blunders buyers can make when considering solar lighting solutions is evaluating the individual system cost instead of the total project cost. It can mean the difference between investing in 15 lights that meet your requirements and needing to buy 50—or more—to achieve the same result. That’s because each project has its […]

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Is Solar-powered Lighting a Good Option for Northern Locations?

If we asked you what the best country for a solar-powered light would be, what would you say? Mexico? Australia? Brazil? While a country with a warm climate and year-round sunshine might seem like the obvious answer, if you look at the top countries in the world for solar capacity—Germany, China, and Japan—you’ll notice that […]

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Backup Power for Solar Lighting: How Much Is Enough?

One of the biggest perks of solar lighting is that it is self-contained, meaning it doesn’t rely on the grid for power, and it doesn’t require trenching to install. But this perk is only a perk if you understand how solar lighting works, and build your systems to take full advantage of it. Because solar […]

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