The Redefinition of Efficiency: Why the EU Label is Cleaning Up the Market
For a long time, the simple formula in display technology was: brightness is everything. In sun-drenched atria or for DOOH (Digital-Out-of-Home) installations, power consumption was often treated as a secondary factor compared to peak brightness in nits. However, with the entry into force of the revised EU Regulation 2019/2013 on the energy labelling of electronic displays, the playing field has changed fundamentally. The era of inflationary plus classes – A+ to A+++ – has ended. Since the transition in March 2021, displays have been rated on a scale from A to G, with limit values calculated so strictly that even highly efficient professional panels from market leaders such as Samsung, LG, or Sony often find themselves in classes E, F, or G. This is not a sign of lack of quality, but a deliberate regulatory lever to force technical progress.
For operators of visual infrastructure in Austria, this means new transparency, but also increased complexity in planning. It is no longer just about the purchase price, but about the long-term energy balance over a lifecycle of five to seven years. Anyone investing today in large-format LED walls or high-brightness kiosks must understand the key figures of the EPREL database (European Product Registry for Energy Labelling) to minimise future operating costs and regulatory risks, for example within the framework of CSRD (Corporate Sustainability Reporting Directive) reporting.
The Systematics Behind the Labels
The current label provides far more than just a letter. It differentiates precisely between different operating states. A decisive factor for professional displays is the specification of power consumption in watts per 1,000 hours (kWh/1000h). This allows a direct comparison of the operating costs of different models under standardised conditions (usually in Standard Dynamic Range mode, SDR).
Particularly relevant for the premium segment, however, is the additional labelling of energy consumption during active HDR (High Dynamic Range) playback. Since HDR content demands significantly higher brightness peaks in certain areas, the power consumption here often increases massively. For a Samsung The Wall (IWA series) or an LG MAGNIT, the difference between SDR and HDR can decide the overall efficiency of the installation, especially if the content is specifically optimised for high contrast and visual brilliance.
Technical Parameters and Their Regulatory Significance
The EU Regulation defines "electronic displays" broadly, but excludes certain special applications such as medical monitors or small control panels. For the visual infrastructure at Lumexo, Large Format Displays (LFD) and increasingly LED modules are primary concerns. While classic LCD screens with LED backlighting have been labelled for years, Direct View LED is increasingly becoming a focus of efficiency considerations.
The Ecodesign Directive as a Second Pillar
Accompanying the energy label is EU Regulation 2019/2022 establishing ecodesign requirements. This is not just about power flow, but about the circular economy. Manufacturers are obliged to provide essential spare parts such as internal power supplies, connectors, or housing parts for at least seven years after the last unit of a model has been placed on the market. In addition, repair instructions must be accessible to specialist personnel. This correlates directly with the maintenance concepts that Lumexo implements for clients such as shopping centres or logistics bases: a display is only as sustainable as it is repairable.
| Feature | Requirement according to EU 2019/2023 | Relevance for the operator |
|---|---|---|
| Spare part availability | Min. 7 years for critical components | Long-term investment protection |
| Mercury content | Strictly limited (0 mg) | Environmental regulations & disposal |
| Standby consumption | Max. 0.50 watts in networked standby | Reduction of base load during idle |
| HDR labelling | Separate kWh value on the label | Calculable costs for premium content |
Practical Example: Modernising a Mall Infrastructure
Let's consider a practical scenario: an Austrian retail park plans to renew its digital wayfinding and advertising spaces. Ten 75-inch displays are to be installed in semi-public areas with high ambient brightness.
Existing inventory: Ten-year-old CCFL or early LED backlight monitors with an average power consumption of 320 watts per device. Planning: Use of the Samsung QB75B series (UHD, 350 nits) or alternatively a high-brightness solution such as the LG 75XS4G (2,500 nits) for shopfront areas.
The Samsung QB75B is classified in efficiency class G, which seems off-putting at first glance. However, a look at the technical data shows a typical power consumption of approx. 118 kWh per 1,000 hours. Compared to the old device (approx. 320 kWh/1000h), this represents a saving of over 60% in energy costs. With an operating time of 14 hours daily (5,110 hours/year) and an electricity price of €0.25/kWh, one device alone saves approx. €250 per year in operating costs. For ten devices, the investment pays for itself over the useful life through the energy difference alone, even before advantages such as lower waste heat or higher reliability are factored in.
Control as an Efficiency Lever: More Than Just the Panel
The hardware is only one side of the coin. In practice at Lumexo, we see that the choice of CMS (Content Management System) and media player plays a crucial role. A BrightSign Series 5 media player consumes significantly less during operation than a standard PC-based player. Combined with an intelligent control system such as easescreen Crossfire, which puts displays into deep standby mode via serial commands (RS232) or CEC (Consumer Electronics Control) during off-peak times, the real consumption of the entire system falls below the values calculated purely for the panel.
LED Technology: The Special Case
For DV-LED (Direct View LED) such as the Absen Polaris series or Alfalite Modularpix, energy efficiency is heavily dependent on the pixel pitch and the driving technology. The use of common cathode technology instead of conventional common anode driving reduces heat generation and thus power consumption by up to 30%. Here, the EU label currently applies differently than for retail monitors, as LED walls are often considered custom engineering solutions. Nevertheless, top manufacturers align themselves with the efficiency requirements to succeed in tenders that follow the BFSG 2025 (Accessibility Strengthening Act) or CSR criteria.
What We See in Practice
From the experience of numerous installations in the DACH region, clear trends can be derived on how companies handle the new energy obligations:
- "Class G" Acceptance: Professional buyers increasingly understand that a "G" for a 24/7 display with 700 nits brightness is often more efficient than an "E" for a consumer TV that is not designed for such loads. The focus is shifting from the letter itself to the absolute kWh value.
- Sensors instead of Static Brightness: The integration of ambient light sensors has become standard. A display that automatically dims to 20% brightness in the evening hours saves massive energy without weakening the advertising message.
- Analysis of Content Design: We increasingly advise clients not to use solid white backgrounds on LED walls. Since every pixel requires maximum energy for white, darker layouts immediately reduce the power load.
- Hardware Consolidation: Instead of many small displays, larger, more efficient units are planned. A single 98-inch display can make more sense energetically than a 2x2 video wall made of 46-inch monitors, as fewer power supplies and no additional video wall controllers are required.
- Documentation Obligations: Large corporations already request exact EPREL data sheets in the bidding process for their ESG (Environmental, Social, and Governance) reports. Those who cannot deliver here are excluded from the process.
- Waste Heat as a Climate Factor: In air-conditioned rooms (server rooms, control centres), energy efficiency becomes doubly relevant. Every watt saved on the display reduces the load for the air conditioning system.
Regulatory Outlook and the BFSG 2025
In the near future, energy efficiency will be even more closely linked to other regulatory standards. The Accessibility Strengthening Act (BFSG), which comes into force in 2025, and EU Regulation 2021/341 on energy labelling form the framework for "responsible technology". It is no longer just about a kiosk system consuming little electricity, but about it being accessible to all people while simultaneously meeting minimum ecological standards in standby mode.
Particularly exciting is the development of smart glass and transparent displays. Here, the basis for measuring the energy class is even more complex, as light transmission and the thermal influence on the building (keyword: solar gains) must also be taken into account.
Recommendation from Lumexo
To use the new EU obligations not as a burden, but as an opportunity for optimised operating costs, we recommend the following approach:
- Holistic TCO Calculation: Do not evaluate displays based on the purchase price, but calculate the Total Cost of Ownership over 5 years including the kWh values from the EPREL database.
- Intelligent Power Management: Use professional players like BrightSign or controllers like the NovaStar MX series to implement automated schedules and sensor-based brightness controls. "Always-on" is rarely an energetic necessity.
- Focus on Repairability: When choosing hardware, look for modular concepts (e.g., exchangeable plug-in PCs according to the SDM standard or individually replaceable LED modules). This fulfills ecodesign requirements and protects your investment from total failure.
- Content Optimisation: Adapt your visuals to the hardware. Energy-efficient content design (darker backgrounds for LED, avoiding unnecessary HDR peaks) reduces the wear of components and the electricity bill.
The visual infrastructure of the future is not only bright and sharp, but above all intelligently managed. The EU energy labels are not an obstacle, but an important benchmark for quality and sustainable planning.