With industrial LED lighting, you save on average 50 to 80 percent on your energy consumption for lighting compared to conventional technologies such as high-pressure sodium, mercury vapor, or metal halide lamps. The exact savings depend on the current installation, usage, and environment. In this article, we answer the most frequently asked questions about energy savings with LED lighting in industry.
What percentage of energy do you save by switching to LED?
By switching to industrial LED lighting, you typically save between 50 and 80 percent on the energy consumption of your lighting system. When replacing outdated high-pressure sodium lamps or mercury vapor lighting, savings of 70 percent and more are within reach. This makes LED lighting in industry one of the most effective measures for structurally reducing energy costs.
The savings are created by two factors simultaneously. Firstly, LED fixtures consume significantly fewer watts with equal or better light output. Secondly, LED fixtures have a much longer lifespan, which also reduces replacement and maintenance costs. Both effects together determine the actual financial savings on an annual basis.
The biggest cost items for industrial lighting are:
The largest cost item in industrial lighting is energy consumption, followed by maintenance and replacement costs. With conventional lighting in a 24/7 environment, energy can account for up to 80 percent of the total lifetime lighting costs. Understanding this cost structure is essential to correctly assess the value of a switch to LED lighting in industry.
- Energy consumption: the dominant part of the operating costs, especially with continuous use
- Lamp replacement Conventional lamps have a shorter lifespan and need to be replaced more often.
- Labor and standstill costs Replacement at height or in difficult-to-reach installations is expensive
- Cooling and heat dissipation Traditional light sources produce a lot of heat, which puts extra strain on climate control systems.
- Non-productive time: Failures or scheduled maintenance on lighting can interrupt production processes.
Specifically in sectors such as heavy industry, ports and terminals have substantial combined energy and maintenance costs. A reliable, long-lasting LED installation reduces all these costs simultaneously.
How do you calculate the payback period for industrial LED lighting?
The payback period for industrial LED lighting is calculated by dividing the investment costs by the annual savings on energy and maintenance. In practice, the payback period for industrial applications often ranges from two to five years, depending on the number of burning hours, the energy price, and the current installation.
A simple calculation works as follows:
- Determine the current annual energy consumption of the lighting installation in kilowatt-hours (kWh)
- Estimate the consumption after replacing with LED based on the power difference
- Calculate the annual energy savings in euros based on the current energy price.
- Add the annual savings on maintenance and replacement costs.
- Divide the total investment cost by the combined annual savings
Don't forget to include any tax benefits in your calculation. Via the Energy Investment Allowance (EIA) As a company, can you deduct part of the investment for tax purposes, significantly shortening the payback period? Subsidy programs can also strengthen the business case.
What factors determine how much energy you actually save?
The actual energy savings from LED lighting are determined by the number of burning hours per year, the power difference between the old and new fixtures, and the presence of dimming functions or occupancy detection. Consequently, two companies in the same sector can achieve significantly different savings.
The key factors at a glance:
- Opening hours: The more hours per year the lighting is on, the greater the absolute savings.
- Current light source: Replacing mercury vapor or high-pressure sodium lamps yields greater savings than replacing already relatively efficient T5 fluorescent lighting.
- Dimming and control Dimming based on daylight or presence can further reduce consumption.
- Fixture selection A well-adjusted optic ensures light lands precisely where it is needed, without waste.
- Environmental Conditions: extreme temperatures or corrosive environments call for specialized fixtures that maintain their efficiency even under difficult conditions
Professional Lighting advice helps to map out all these factors and create a calculation that fits the specific situation of your location or installation.
What is the difference between energy savings and lighting quality with LEDs?
Energy saving and lighting quality are not opposites with LEDs, but rather reinforce each other. A well-designed LED installation delivers more usable light per watt than conventional alternatives, meaning you consume less energy while simultaneously creating better working conditions. However, cheap LED products may compromise on quality to keep prices low.
Lighting quality in industrial environments goes beyond just lumen output. Color rendering (CRI), color temperature in Kelvin, glare control, and uniform light distribution are crucial for safety and productivity. A fixture that produces many lumens on paper but has poor directionality or causes significant glare will provide less usable light in practice than its specifications suggest.
The conclusion: don't choose the cheapest option purely based on energy savings. A fixture with higher light output and better optics can suffice with fewer fixtures, which lowers the investment and increases savings. Also consider the lighting expertise that is needed to combine both goals.
LED lighting provides the highest savings in industry when it replaces older, inefficient technologies like fluorescent or high-intensity discharge (HID) lamps, particularly in applications that require extended operating hours.
LED lighting offers the highest energy savings when the existing installation consists of outdated, energy-guzzling light sources and when the lighting is in use for many hours per year. Environments with 24/7 operations, large illuminated areas, or high ceiling heights benefit most from a switch to industrial LED lighting.
Concrete situations where the savings are greatest:
- Production halls and workshops that operate day and night
- Outdoor areas and harbors with extensive mast lighting
- Environments with high ceiling heights where high-power fixtures are required
- Installations still running on mercury vapor or high-pressure sodium from the nineties or earlier
- Locations with high maintenance effort due to frequent lamp replacements
Even in special environments like climate chambers, offshore installations, or areas with extreme corrosion, switching to LED makes sense. Specialized fixtures that perform reliably under extreme conditions prevent malfunctions and unexpected downtime, further increasing overall cost reduction. Explore the range of LED floodlights for heavy outdoor applications as a starting point.
How JEL Products Helps Save Energy in Industrial Lighting
JEL Products offers more than just lighting fixtures. As specialists in industrial LED lighting, they guide clients through the entire process—from analysis to delivery—ensuring that the savings projected on paper are actually realized in practice.
What JEL Products actually does:
- Audit of the existing lighting installation and calculation of the expected energy savings
- Lighting design tailored to the specific requirements of the environment, including extreme temperatures, corrosion, or explosion hazards.
- Supply of high-quality LED fixtures under our own brands, DCbright and DarkLicht, designed and manufactured in the Netherlands
- Guidance on tax benefits and subsidy programs that shorten the payback period
- Full project execution including engineering, installation, commissioning, and maintenance
Do you want to know how much your organization can save with industrial LED lighting? Get in touch Contact JEL Products for a free, customized quote.