Electron KJ240
Uses less electricity than 80% of the 4,819 monitors, 24–31″ on the EU register. At your selected price (European Union) that is €7 a year, €69 over ten years.
- Power, SDR
- 16.6 W
- Typical 21 W
- Running cost
- €7 / year
- 4 h a day
In the most efficient quarter of its group: 19 % below the typical 30 kWh. Class E is the most common class in this group (49% of models). On-mode power in SDR is 16.6 W; the typical screen of this size draws 20.5 W. Of 2 Electron models in this group, it is the most efficient. Registered in Aug 2026, one of the newer models in its group.
Where it stands
Rank 920 of 4,819 monitors, 24–31″ by yearly consumption. 919 use less.
Next to it in the ranking
- LG 24MP500 24 kWh −€0.03
- LG 25UM58 24 kWh −€0.03
- Electron KJ240 24 kWh
- Atlantis A05-HE27VG-2HDM 24 kWh same
- Geesuu MV238L2F 24 kWh same
What it will cost you
| Period | KJ240 | WF238V | Difference |
|---|---|---|---|
| 1 year | €7 | €2 | −€5 |
| 5 years | €34 | €8 | −€26 |
| 10 years | €69 | €16 | −€52 |
| 15 years | €103 | €25 | −€78 |
Is the more efficient model worth its price?
Enter both purchase prices to see the total cost of ownership.
Power in SDR and HDR
Cost by viewing time
| Use | kWh / yr | € / yr |
|---|---|---|
| 2 hours a day | 12 | €3 |
| 4 hours a day | 24 | €7 |
| 8 hours a day | 48 | €14 |
Same size, lower running cost
On sale, at least 10% less energy, same size group
| Model | kWh / yr | Saves / year |
|---|---|---|
| Electron KJ240 (this model) | 24 | — |
| 6 | €5 | |
| 7 | €5 | |
| 7 | €5 | |
| 7 | €5 | |
| 7 | €5 |
Label and product sheet
- Energy class SDR / HDR
- E / –
- On-mode power SDR
- 16.6 W
- Standby / networked standby
- 0.4 W / 0.0 W
- Screen diagonal
- 24″
- Resolution
- 1920×1080
- Panel
- LED LCD
- Refresh rate
- 60 Hz
- Software updates (minimum)
- 8 years
- Guarantee (supplier)
- 3 years
- Spare parts (minimum)
- 7 years
Model numbers and history
Registered by Electron under one model number.
KJ240
- Placed on the EU market
- First published in the EU register (EPREL)
Questions
How much does the Electron KJ240 cost to run?
At 4 hours a day it uses about 24 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €7 a year, or €69 over ten years.