Solar electricity is becoming increasingly used for lighting streets and other public areas. But what are solar street lights? Now that it has become a reliable source of street lighting all around the world. There are numerous advantages of solar street light to know these let’s begin with the article.
What are Solar Street Lights?
To your curiosity about what are solar street lights? Solar streetlights are elevated light sources powered by photovoltaic panels that are typically installed on the lighting structure or integrated into the pole itself. The photovoltaic panels charge a battery overnight, which then operates a fluorescent or LED light. Most solar panels operate automatically by sensing external light using a light source. This can add as another one of the advantages of solar street light.
When installed properly, solar-powered streetlights may shine brightly all night long. Many can last more than one night if the sun is not visible for a few days. Lamps that were not fluorescent or LED were used in older models. Solar lights installed in windy areas are typically outfitted with flat panels to better withstand the gusts.
The most recent designs employ wireless technology control for battery management. This technology allows street lights to operate as a network, with each light capable of performing on or off the network.
What are 5 Major Advantages of Solar Street Light?
The primary advantage is the ecologically friendly solution. Users can rely on solar energy to power roadways and other public spaces after installing solar street lights. The numerous advantages of solar street light are:
1. Eco-Friendly Alternative
People in traditional lighting rely on the grid for energy. There will be no light during the blackouts. Sunlight, on the other hand, is available everywhere and abundant in many regions of the planet. The sun is the world’s most abundant renewable energy source. The initial investment may be higher. However, once the installation is completed, the cost will be lower. Solar power is now regarded as the most cost-effective source of electricity.
Because it has a built-in battery system, it can power the streets even when there is no sunlight. Furthermore, the batteries are recyclable and will have no negative impact on the environment.
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2. Installations that are Secure
Some impediments, such as subterranean utilities and the root system, may cause interruptions while building a grid system. If there are many barriers, electric trenching will be difficult. However, if you use solar streetlights, you will not have this difficulty. Users only need to place a pole wherever they want a solar street light.
3. Cost-Effective Solution
Solar Street lights are inexpensive. The installation of an off-grid solar system differs little from that of a grid-connected system. The main distinction is that solar street lighting will not have meters installed. Installing a meter will increase the overall cost. Additionally, trenching the grid power will raise the installation cost.
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4. No Energy Bills
One of the most noticeable advantages of solar street light will be that there will be no electricity cost. Users will no longer be required to pay their power bill on a monthly basis. That is going to be significant. You can utilize the energy without having to pay monthly expenses.
Solar Street lighting requires no maintenance. They use photocells, which considerably reduce the maintenance requirements. During the day, the controller turns off the fixture. The controller turns on the fixtures when the panel does not create any charge during dark hours. Furthermore, the batteries have a lifespan of five to seven years. Rainwater will be used to clean the solar panels. The solar panel’s design eliminates the need for maintenance. After this, let’s explore the types of solar street light.
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What are the Various Types of Solar Street Light?
Though the functioning procedure and operation of solar streetlights are the same across all versions, the specifications and light panels vary greatly. There are four primary types of solar street light.
1. CFL Solar Street light: The solar CFL street light has a high luminous efficiency, which makes it very popular in the market due to its brightness and low operating costs. The fact that the costs have fallen down since a few years ago also contributes to the appeal.
2. Solar LED solar street light: Solar LED Street Light is available in both custom and standard configurations. One of the primary benefits of these lights is their ease of installation and the use of highly refractive acrylic fittings.
3. Flood Solar Street light: Solar flood street lights provide the most coverage and have the highest brightness. They are the greatest options for covering a bigger area with fewer light units.
4. All-purpose Street light: All-purpose Street light is simple to install because it does not require any cables. These run on an energy-efficient lithium battery and are one of the lightest versions of solar streetlights available.
These devices have eco-friendly designs and require little upkeep. The choice should be made based on the amount of sunshine and the size of the area where the lights will be installed.
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What are Benefits of Solar Street Lights?
The use of new solar street lighting is quickly expanding as infrastructure facilities around the world improve. This is due to the fact that these lights include lithium-ion batteries, an embedded solar panel, night and motion sensors, a battery management system, and automatic controls. The benefits of solar street lights discussed in the following pointers:
1. Solar Street lights are water-resistant and weatherproof, with low glare and insect attrition.
2. These lights’ solar panels convert solar energy into electrical energy, which is stored in the built-in battery and used for dusk-to-dawn illumination operations.
3. The battery management system, which aids the presence of motion and night sensors, is the key characteristic of modern solar street luminaires.
4. The system’s performance is up to medium-level brightness throughout the first five hours of the night. The intensity of the light gradually lowers until morning or until the PIR sensor is activated by human activity.
5. When a smart lighting option detects human movement within a certain radius of the luminaire, it instantly switches to full brightness.
6. Solar outdoor luminaires require essentially minimal maintenance when compared to traditional street lights.
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What are the Uses of Solar Street Light?
Solar street lighting is becoming increasingly popular for obvious reasons. One key factor is long-term cost savings, and the other is efficient lighting. The solar light system, as the name implies, turns solar energy into electricity. It is simple to install and produces high-intensity LED light. It is not necessary to manually turn on or off the solar light. These lights function automatically from night till morning. Let’s discuss the essential uses of solar street light.
1. Airport Lighting
Many airports have solar lights since they are simple to install and have no conventional electricity costs. These LED lights are movable and installed on the runway. Conversely, servicing is needed only once every seven years. These lights are utilized for safe night-time aircraft operations.
2. Lighting for Highways and Roads
Solar Street lights are very simple to install. Accidents are reduced with the help of these lights because no external wires are required for electric hookups. These lights are simple to place on a distant street or highway where there is no electricity. The LED Streetlight enhances pedestrian and driver visibility. A high-quality LED lighting system beautifies the metropolitan surroundings at night without harming the environment.
3. Lighting in Parks and Playgrounds
Solar lighting systems are useful for park and playground illumination since they illuminate signs, trails, pavilions, and parking lots. They are grid-independent, so they may be deployed at any place in the park where sufficient illumination is required. These lights provide safety for children who play after dark and also help officials secure the area at night. So, if in case it was not clear do solar lights stay on all night? It’s a yes.
Due to a variety of factors, most cricket and football matches are now played at night. As a result, solar lights are installed in stadiums or playgrounds to provide high-powered lighting inside the field. Any sport requires high-powered lighting, known as floodlights, which can be provided by a solar panel at a low cost and with no maintenance.
4. Commercial and Industrial Lighting
The Solar lighting system includes an amazing storage mechanism that enables three days of continuous illumination without the need for recharging. Because industrial areas are larger in size, they require a huge amount of electricity for outdoor lighting. The cost of electric wires and maintenance would be reduced when these solar lights are installed.
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5. Lighting for Outdoor Security
Solar security lights are powered by solar energy, which is turned into electricity. As a result, these are a practical alternative for security because they can run at night without power because the sun supplies needed energy throughout the day. When there is motion, these lights automatically switch on. They also work in cloudy environments and give consistent lighting at all times.
These solar-powered street lights are used in a variety of settings, including parking lots, hospital parking, and residential lighting. When compared to conventional lighting, these Solar Street lights need less system installation and give high-power lighting. These solar street lights emit no pollution. Only the initial investment is costly as compared to traditional lights. Only dust, snow, and moisture can impede energy generation. Because of their high cost, these lights are not suitable for every application. With this, you have learned about all the major uses of solar street light. After this, it’s time to learn about the disadvantages of solar street light.
Also Read: How to Choose Best Solar Powered Security Lights?
What are the Disadvantages of Solar Street Light?
After discussing the advantages of solar street light let us now shed some light upon the disadvantages of solar street lights. Solar power will be used more widely as a result of traditional energy scarcity. In recent years, the photovoltaic business has been on the rise.
1. Significant Initial Investment
The input cost is one of the factors. The initial expenditure on a solar street light is substantial. According to a survey, the overall cost of installing a solar street light is three or four times the cost of installing a standard street light of the same effectiveness.
2. Storage Battery Service Life
In general, a common storage battery cannot be fully charged in one year or even half a year. Some of them may have a practical charge efficiency of 50%, which will undoubtedly affect the lighting condition at night during continuous rainy days. As a result, when installing a solar street light, it is critical to use a high-quality battery.
3. Choosing the Solar Charge Controller
The market’s quality of solar charge controllers varies greatly. Although the cost of the controller is a minor component of the overall cost, it is a key component of the light.
4. Inadequate Conversion Efficiency
Solar panels have a conversion efficiency of around 15% to 19%. In theory, silicon solar panels have a conversion efficiency of up to 25%. This efficiency, however, will be modified by the structures surrounding the solar street light.
5. Geographical and Meteorological Conditions
Because solar power comes from the sun, geographical and meteorological factors have a direct impact on the lighting state of the solar street light. Continuous gloomy and rainy days will have an impact on illumination, resulting in illuminance or brightness that falls short of the national requirement. Worse, the solar street light does not work.
Finally, the photovoltaic business will continue to grow quickly in the next years. Solar streetlights will become more extensively used as technology advances and improves. These are some of the characteristics of solar streetlights that make them superior to standard streetlights. We can certainly predict that solar-powered streetlights will be the norm in the future. And investing in and installing these will play a significant role in creating a clean, green atmosphere. This will also help to ensure a brighter future for future generations.
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