How to Calculate Energy Savings with an LED Panel? The 2026 Guide
How much energy can be saved with an LED panel? Let's calculate with numbers.
LED Panel vs. Old Technology Comparison
| Technology |
Power |
Lumen |
Lifespan |
Annual Cost* |
| Fluorescent (4x18W) |
72W |
4,800 lm |
8,000 hours |
1,314 TL |
| LED Panel 36W |
36W |
3,600 lm |
50,000 hours |
657 TL |
| LED Panel 48W |
48W |
4,800 lm |
50,000 hours |
876 TL |
*Based on 10 hours/day, 5 TL/kWh
10-Year Savings Calculation
|
Fluorescent (72W) |
LED Panel (48W) |
Savings |
| Electricity (10 years) |
13,140 TL |
8,760 TL |
4,380 TL |
| Lamp replacement |
~2,000 TL |
0 TL |
2,000 TL |
| Maintenance |
~500 TL |
0 TL |
500 TL |
| Total savings |
|
|
6,880 TL |
Additional Savings with Motion Sensor
- Motion sensor in corridors and common areas: 50-70% additional savings
- Dimmer system: 20-30% additional savings
- Daylight sensor: 30-40% additional savings
❓ Frequently Asked Questions
How much more energy-efficient is an LED panel than fluorescent?
For equal lumens, an LED panel consumes 33-50% less energy than a fluorescent lamp.
When does an LED panel investment pay for itself?
It typically pays for itself within 1-2 years through electricity and maintenance savings.
How much can 10 LED panels save?
When converting from fluorescent, savings of up to 68,800 TL can be achieved over 10 years.
How much additional savings does a dimmer provide?
Approximately 30% energy savings are achieved at 50% brightness.
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