A lighting plan is a technical document that describes how lighting in a space or on a site is designed, positioned, and tailored to the specific requirements of the environment. For industrial projects, in most cases it is not a luxury but a necessity: the safety risks, the complexity of the environment, and the scale of the investment justify a well-conceived lighting design. In this article, we answer the most frequently asked questions about industrial lighting plans,ranging from content and obligations to costs and risks.
What is included in a lighting plan for an industrial project?
Such a document goes much further than a simple drawing with luminaire positions. An industrial lighting plan contains a detailed analysis of the lighting requirements based on the function of the space or site, combined with calculations of lighting levels, luminaire positions, and the choice of light sources. It forms the technical basis for a safe, efficient, and compliant lighting installation.
Specifically, a professional industrial lighting plan typically includes the following components:
- Environmental analysis: inventory of the space, its use, existing risks, and environmental factors such as dust, moisture, vibrations, or high temperatures
- Lighting calculations: simulations of lux levels, uniformity, and glare ratings (UGR) based on standard requirements such as EN 12464
- Luminaire specifications: choice of luminaire type, IP rating, IK rating, light color, and wattage tailored to the application
- Dimensions and positioning: exact placement of luminaires, pole heights, and fixing points
- Energy performance: calculation of the total energy consumption and the expected savings compared to the existing situation
- Emergency Lighting Plan: in applications where this is legally required
A good Lighting Consultation for Industry integrates technical, safety-related, and operational requirements into a single cohesive design, and that makes all the difference in complex environments.
When is a lighting plan mandatory or strongly recommended?
Occupational safety depends entirely on good lighting, and legislation takes this into account. The Working Conditions Act and the Building Decree set concrete requirements for lighting levels in workplaces, escape routes, and areas with specific risks. However, even beyond legal obligations, a lighting plan is strongly recommended for any project where the investment, environmental complexity, or safety requirements are substantial.
In practice, an industrial lighting plan is required or strongly recommended for:
- New construction or major renovation of production halls, warehouses or industrial sites
- Environments with ATEX zones, explosion hazards, or aggressive chemical exposure
- Workplaces with precise visual tasks where the EN 12464-1 lighting standard applies
- Outdoor areas with a monitoring or security function, such as Ports and terminals
- Installations at height or in hard-to-reach locations where retrofitting is costly
- Projects for which subsidies or tax benefits are being applied for, such as the Energy Investment Allowance
Even when replacing existing lighting with LED, a lighting plan is advisable. Light sources with a different light spectrum, a different beam angle, or a higher luminous flux require a recalculation of the installation.
What are the risks of an industrial project without a lighting plan?
Without a pre-designed lighting plan, you run the risk that the installation will not meet legal standards, will provide insufficient lighting levels at critical workstations, or will be oversized, wasting energy and budget. In industrial environments, the consequences of poor lighting are immediately noticeable in terms of safety and productivity.
The most common problems in projects without a lighting plan:
- Insufficient lighting at workstations, causing employees to make more mistakes or tire more quickly
- Glare caused by improperly placed or excessively bright luminaires, resulting in a safety hazard
- Dark zones on grounds or in halls that are only discovered after completion
- Valves that are not resistant to environmental conditions, such as extreme temperatures, corrosion, or vibrations
- High costs for subsequent modifications, including new cabling, additional poles, or replacement of luminaires
- Rejection during inspection or delivery due to non-compliance with standards
In environments such as steel mills, offshore installations, or chemical plants, the risks are even greater because standard luminaires are simply not suitable for the conditions. A well-founded lighting design prevents costly revisions and ensures that the installation functions correctly from day one.
How does an outdoor lighting plan differ from one for production halls?
The approach varies considerably depending on where you need the light. For outdoor areas, it's about large-scale lighting levels, mast positioning, light spill into the surrounding environment, and weather resistance. For production halls, the design delves deeper into task-oriented lighting, uniformity on work surfaces, glare control, and the interaction with machinery and processes.
In industrial area lighting, factors such as light pollution affecting the surrounding area (dark sky), mast height, wind load on luminaires, and the security of access roads play a central role. The EN 12464-2 standard is the relevant guideline here: it focuses on average illuminance levels over large areas and on the ratio between illuminated and dark zones.
In production halls, the focus is different. Here, lighting requirements are task-specific: a welding line requires a different lux level than a storage area or a forklift truck aisle. Furthermore, environmental factors such as dust, vapor, machine heat, and vibrations directly influence the choice of luminaires. The EN 12464-1 standard prescribes minimum lighting levels per type of workstation, and a lighting plan translates those requirements into a concrete installation.
Who draws up a lighting plan for an industrial project?
This is work for a lighting consultant or lighting designer with knowledge of industrial standards, environmental requirements, and luminaire specifications. In practice, these are specialized engineers at lighting manufacturers, independent lighting consultancy firms, or technical departments of installation companies.
For complex projects, think of environments with extreme temperatures, ATEX zones, or large-scale outdoor areas, it is wise to engage a specialist who has demonstrable experience with similar environments. A lighting designer who only knows office projects lacks the technical background for a steel plant or a port terminal.
When selecting a designer, always ask for reference projects in comparable sectors, knowledge of relevant standards (EN 12464, ATEX directives, IP/IK classifications), and the software used for lighting simulations. Professional lighting plans are prepared using validated simulation software such as Dialux or Relux, which enables accurate calculations of lux, uniformity, and glare.
How much does a lighting plan cost, and when will it pay for itself?
Costs vary greatly depending on the scope and complexity of the project. A simple lighting plan for a production hall can cost a few hundred euros; a complete lighting design for a large-scale outdoor area including an engineering process can run into several thousands of euros. Relative to the total project costs, this is a limited investment.
A lighting plan pays for itself in multiple ways:
- Prevention of rework: installation errors discovered afterward are typically much more expensive than the cost of a good upfront design
- Energy saving: an optimized lighting design prevents overdimensioning and structurally reduces energy consumption
- Longer lifespan luminaires that are correctly selected for the environment last longer and require less maintenance
- Subsidies and tax benefits: For energy-efficient lighting installations, tax schemes are available for which a technical justification is required
- Safety and productivity: Adequate lighting reduces the risk of accidents and increases employee accuracy
For large industrial projects, the payback period of a lighting plan is often already achieved by preventing a single round of subsequent adjustments. The combination of lower operating costs and a longer lifespan of the installation makes the investment in a professional lighting plan almost always cost-effective.
Case Study: DFDS Terminal Lighting in Vlaardingen
What an industrial lighting plan delivers in practice becomes clear in the project for DFDS Seaways in Vlaardingen. At this active ro-ro terminal, all the exterior lighting had to be replaced without disrupting daily port operations,an operational constraint that directly impacted planning and execution.
The technical challenges were multifaceted. The salty sea air placed high demands on the corrosion resistance of the luminaires, while the large areas of the site required precise calculations of pole heights, beam angles, and illuminance levels. Incorrect positioning of the poles would have caused direct hindrance to moving vehicles and lifting operations on site. Only a detailed lighting design made it possible to simulate and optimize this in advance.
What this project also taught: maintenance begins with the design choice. By choosing luminaires with a high IP rating and a long lifespan, the maintenance frequency in hard-to-reach locations was drastically reduced. That consideration must be made as early as the lighting plan, not only when a luminaire fails. The direct lesson for every industrial lighting project: environmental conditions and ease of maintenance are not an afterthought, but an integral part of a good design.
More similar routes can be viewed at DFDS Seaways Vlaardingen Project Page.
How JEL Products Helps with an Industrial Lighting Plan
JEL Products guides clients through the entire process, from lighting design to completion. Whether it’s a production hall, an outdoor area, a port terminal, or an environment with extreme temperatures,the team develops a lighting plan that meets the specific requirements of the environment and complies with applicable standards.
Specifically, JEL Products offers the following:
- Professional lighting calculations with validated simulation software
- Advice on luminaire selection tailored to environmental conditions such as heat, corrosion, vibrations, and explosion hazard
- Guidance in engineering, foundation, light poles and installation
- Support with subsidy applications and tax schemes for energy-efficient lighting
- Aftercare and maintenance upon delivery
JEL Products is ISO 9001 and VCA** certified and has proven experience in sectors such as heavy industry, ports, offshore, and construction. Would you like to know what a lighting plan for your project entails and what the possibilities are? Then please contact us with the specialists at JEL Products for a no-obligation consultation.