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Does Led Street Light 100w Consume Electricity?


September 21, 2023


In recent years, LED street lights have become increasingly popular due to their high energy efficiency and long service life. As cities and municipalities work to improve energy efficiency and reduce costs, a common question that arises is whether LED street lights (especially 100W models) consume a lot of power. In this article, we will delve into the details of the LED street light 100W and explore its power consumption. Make informed decisions about street lighting options by understanding the factors that influence energy use.

What is the reason why LED street lights save energy?

LED street lights are highly efficient because they use light-emitting diodes (LEDs) as their light source. LEDs convert a higher proportion of electrical energy into visible light, minimizing energy wasted in the form of heat. Compared to traditional lighting options such as incandescent streetlights or fluorescent bulbs, LED streetlights consume significantly less power while producing the same or even higher brightness.

LED street light 100W power consumption calculation

To calculate the power consumption of a 100W LED street light, you can use a simple formula. Multiply the wattage (100W) by the number of hours per day and the number of days in the year that the light will be run. For example, if the lights run 10 hours a day, the total power consumption is 100W x 10 hours = 1,000 watt hours or 1 kilowatt hour (kWh). It is equivalent to 1 kilowatt hour of electricity consumption in ten hours.

LED street light 100W power consumption impact

When discussing LED street lights, wattage plays a crucial role in understanding their energy consumption. Wattage refers to the amount of electricity consumed by a light fixture. For LED street lights, the power rating indicates the power consumed by the light source. A common power rating for LED street lights is 100W, which means they are designed to handle power loads of up to 100 watts.

However, the rated power of LED street lights does not directly indicate its actual power consumption. It just means the maximum capacity it can handle. The actual power consumed by a lamp depends on a variety of factors, including the LED technology used, lumen-per-watt efficiency, and the control system.

  1. LED technology progress

Advances in LED technology have significantly improved the energy efficiency of street lights. Newer LED chips and drivers are designed to deliver higher lumens per watt, resulting in greater illumination while consuming less power.

  1. Lumens efficiency per watt

Lumens per watt (lm/W) is a measure of the efficiency of a light source. LED street lights with higher lumen/watt efficiency produce more lumens of light per watt of power consumed. Higher efficacy means lower energy consumption, making LED street lights more efficient. TUBU's LED street lights can reach 180lm/w. They consume the lowest power and release the highest brightness.

  1. Control system and dimming capabilities

LED street lights are usually equipped with control systems, dimming functions and sensors. LED street lights with dimming capabilities can dim or adjust light output based on ambient lighting conditions, further saving energy. In addition, sensors that detect motion can further reduce energy consumption by reducing light output during periods of low activity or using motion sensors to activate lights only when needed.

Comparison between LED street lights and traditional lighting

LED street lights can save a lot of energy compared to traditional lighting options. Research shows that LED street lights can reduce energy consumption by more than 50%. This means significant cost savings and reduced stress on the grid. While LED street lights may cost more up front compared to traditional street lights, the cost savings in the long run are huge. Over time, LED streetlights use less energy and extend their lifespan, reducing maintenance and replacement costs.

Traditional street lights often cause light pollution, which damages ecosystems and affects human health. LED street lights can be designed for better light control, directing lighting where it is needed and reducing unnecessary light spill. LED street lights last longer. Maintenance costs can be reduced since fewer replacements are required. LED streetlights can operate for tens of thousands of hours before needing to be replaced, significantly reducing maintenance.


The design of LED Street Light 100W is very energy efficient and consumes less electricity compared to traditional lighting options. The wattage rating of a streetlight is not a direct indication of its actual power consumption, as factors such as advances in LED technology, lumen-per-watt efficiency, and control systems all affect energy use. LED street lights offer significant energy savings, improved environmental benefits and reduced maintenance costs, making them an excellent choice for street lighting applications.


Is the purchase cost of LED street lights more expensive than traditional street lights?

LED street lights can have a higher upfront cost than traditional street lights. However, their cost savings, lower energy consumption and longer lifespan make them a cost-effective option in the long run.

Can LED street lights be dimmed to save more energy?

Yes, LED street lights can be equipped with control systems to dim or adjust the light output. Additional energy savings can be achieved by reducing light output during periods of low activity.

Do LED street lights require special installation?

LED streetlights can often be retrofitted to existing infrastructure, making installation relatively simple. However, for proper installation, it is important to consult a professional and comply with local regulations.

Are 100W LED street lights suitable for all street lighting applications?

The suitability of 100W LED street lights depends on a variety of factors such as the required lighting levels, street dimensions and lighting requirements. The specific needs of each street lighting application must be evaluated to determine appropriate wattage and design.

How do LED street lights contribute to a sustainable future?

LED street lights contribute to a sustainable future by reducing energy consumption, lowering carbon emissions and minimizing light pollution. Their energy efficiency and long service life make them an environmentally friendly choice for street lighting.

About the author

TUBU is an expert in LED light research with more than 10 years of experience in this field. We hope that through our TUBU research, LED lighting technology will become more popular and bring greater convenience and comfort to people's lives.

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