SMD screen power consumption depends on the display area, the selected model, brightness, content and daily operating hours. To estimate the electricity cost in Pakistan, convert the screen’s average operating load into kilowatts, multiply by running hours, and apply the relevant rate from your electricity bill. There is no single wattage that accurately represents every indoor or outdoor LED display.
This guide helps facility managers, retailers and procurement teams prepare an operating budget before ordering a screen. All figures in the worked example are illustrative assumptions, not Leyard specifications or current electricity tariffs.
How to calculate SMD screen power consumption
Monthly energy (kWh) = screen area (m²) × average power (W/m²) ÷ 1,000 × hours per day × operating days.
Then calculate the energy-only cost: monthly kWh × applicable PKR per kWh. One electricity unit is one kilowatt-hour. The U.S. Department of Energy’s electricity guide explains the distinction between electrical power and energy. Your complete bill can also include taxes, fixed charges, adjustments and other applicable charges.
If a quotation gives average power for the complete display in watts, divide that number by 1,000 and use it directly. Do not multiply a complete-screen wattage by the area again. If your supplier quotes power per cabinet, multiply by the actual cabinet count first.
Worked example: a 3 m × 2 m indoor display
Assume a hypothetical screen measures 3 metres wide and 2 metres high. For this calculation only, assume an average operating demand of 200 W/m², eight hours of use each day and 30 operating days. The illustrative energy rate is PKR 60 per kWh.
| Calculation input | Illustrative value |
|---|---|
| Display area | 3 × 2 = 6 m² |
| Assumed average power density | 200 W/m² |
| Average display load | 6 × 200 ÷ 1,000 = 1.2 kW |
| Daily electricity use | 1.2 × 8 = 9.6 kWh |
| Monthly electricity use | 9.6 × 30 = 288 kWh |
| Energy-only cost at assumed PKR 60/kWh | 288 × 60 = PKR 17,280 |
PKR 17,280 is an example, not a quotation or forecast for your installation. Replace both the wattage and rate with project-specific values. This example excludes controllers, media players, ventilation, air conditioning, backup-system losses and non-energy bill charges.
Average power versus maximum power
Maximum rated power and average operating power serve different purposes. The maximum rating is relevant to planning the electrical supply. An average figure can help estimate running costs, but only when its test conditions represent your intended use.
Ask whether the average figure was measured at a stated brightness with representative video, and whether it covers the complete screen or only the LED cabinets. Do not assume that average consumption is a fixed percentage of maximum consumption. Electrical circuit design, protection, earthing and backup compatibility should be assessed by a qualified installer using the actual equipment ratings.
What changes an LED display’s electricity use?
- Screen area: a larger installation usually needs a larger total power budget when comparing similar products at equivalent settings.
- Brightness and operating environment: the required output for a bright outdoor location differs from a controlled indoor room. Compare model data at realistic brightness levels.
- Displayed content: changing image brightness and the balance of light and dark content can change demand. A short test clip is not a reliable monthly average.
- Operating schedule: a screen running 16 hours daily has twice the operating time of one running eight hours, assuming the same average load.
- Product design and settings: power supplies, driver electronics, LED configuration and configured output affect performance. Pixel pitch alone does not establish efficiency.
For the right application, explore indoor SMD screen options and outdoor SMD display solutions. Compare the exact model, area and operating conditions rather than treating all screens in either category as identical.
How to build a more reliable operating budget
- Confirm the final screen size. Use the actual cabinet arrangement and active display dimensions.
- Request the model datasheet. Record maximum input and average consumption, units and stated test conditions.
- Define a weekly schedule. Include opening hours, weekends, seasonal use and standby periods.
- Use your applicable electricity charges. Check the connection category and current bill. If rates vary by time, calculate each operating period separately.
- Add supporting equipment. Include controllers and other equipment separately, avoiding items already included in a measured total.
- Validate after commissioning. Ask a qualified technician to measure representative operation, then update the budget with observed results.
Use scheduled shutdowns where operationally appropriate and set brightness for the actual viewing conditions. Keep ventilation clear and follow the manufacturer’s care instructions; our SMD screen maintenance checklist covers practical facility checks. Avoid promises of a particular percentage saving without measurements for the installation.
What to ask Mustang before ordering
Share the installation location, proposed dimensions, viewing distance, indoor or outdoor use, operating hours and content type. Ask Mustang to identify the proposed Leyard model and document its power ratings, controller requirements, installation scope and support terms in the quotation.
A useful comparison includes the initial purchase and installation price alongside estimated energy use and maintenance requirements. Start with our SMD screen provider and project-planning page, or request a project quotation with your site details.
Frequently asked questions
1. How many electricity units does an SMD screen use?
Multiply its average load in kW by operating hours. For example, an assumed 1.2 kW display running for eight hours uses 9.6 kWh, or 9.6 units. Your screen’s actual load must come from suitable model data or measurement.
2. Does a P2.5 screen always consume more power than a P4 screen?
No. Pixel pitch by itself does not determine electricity use. Compare the exact models at the same display area, brightness, content and test conditions before drawing a conclusion.
3. Can I use maximum rated power to predict my monthly bill?
You can calculate a maximum-load scenario, but it may not represent normal operation. Use a documented average under relevant conditions for budgeting, and retain maximum ratings for the installer’s electrical planning.
4. Does reducing brightness lower SMD screen electricity consumption?
Brightness settings can affect power demand, but the saving depends on the model and conditions. Choose a readable setting suitable for the environment, and verify changes through representative measurement.
5. Should the budget include the controller and backup system?
Yes, where they are part of the installation. Include their consumption and relevant losses separately unless your measured total already includes them. Avoid counting the same load twice.
6. Is PKR 60 per unit the current electricity tariff in Pakistan?
No. It is only an assumed rate used to explain the calculation. Apply the current charges for your own electricity connection and account for applicable bill components.
7. What information is needed for a project-specific estimate?
Provide screen dimensions, the selected model, brightness requirements, operating schedule, supporting-equipment loads and the applicable electricity rate. A representative measured load after installation makes future estimates more dependable.
Featured image: AI-generated conceptual illustration of LED display energy planning; not a photograph of a completed Mustang project.