EnergyLabelEU
EN
Costs for 0.283 €/kWh · Eurostat 2026 H1

Monitors · 24″ · 1920×1080 · LCD

Aopen 24KG3Y S1

E

Uses less electricity than 75% of the 4,819 monitors, 24–31″ on the EU register. At your selected price (European Union) that is €7 a year, €70 over ten years.

Power, SDR
17.0 W
Typical 21 W
Running cost
€7 / year
4 h a day

In the most efficient quarter of its group: 17 % below the typical 30 kWh. Class E is the most common class in this group (49% of models). On-mode power in SDR is 17.0 W; the typical screen of this size draws 20.5 W. Aopen has 33 models in this group; this one is number 3 among them. Aopen sells the same label values under other model names: 24KG3Y G0, 24SA2Y P0. Registered in Nov 2026, one of the newer models in its group.

Where it stands

Rank 991 of 4,819 monitors, 24–31″ by yearly consumption. 990 use less.

Median 30 This model · 25 5 115 kWh ← uses less · uses more →

Next to it in the ranking

  1. E AG Neovo TX-2401 25 kWh same
  2. D MSI MAG 274QPD27 25 kWh same
  3. E Aopen 24KG3Y S1 25 kWh
  4. D Acer XF270U F3 25 kWh +€0.06
  5. D Lenovo P27UD-40(C26270UP0) 25 kWh +€0.06
See the full ranking

What it will cost you

Period 24KG3Y S1 WF238V Difference
1 year €7 €2 −€5
5 years €35 €8 −€27
10 years €70 €16 −€54
15 years €105 €25 −€81

Is the more efficient model worth its price?

Years of use

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 €4
4 hours a day 25 €7
8 hours a day 50 €14

Same size, lower running cost

On sale, at least 10% less energy, same size group

Model SizeSDR W kWh / yr Saves / year in 10 years
E Aopen 24KG3Y S1 (this model)
24″17.0 25 — —
24″4.0 6 €5 €54
24″4.5 7 €5 €52
24″4.5 7 €5 €52
24″4.5 7 €5 €52
24″5.0 7 €5 €50

Label and product sheet

Energy class SDR / HDR
E / –
On-mode power SDR
17.0 W
Standby / networked standby
0.5 W
Screen diagonal
24″
Resolution
1920×1080
Panel
LCD
Refresh rate
60 Hz
Software updates (minimum)
8 years
Guarantee (supplier)
2 years
Spare parts (minimum)
7 years

Model numbers and history

Registered by Aopen under one model number.

24KG3Y S1

  1. First published in the EU register (EPREL)
  2. Placed on the EU market

Questions

How much does the Aopen 24KG3Y S1 cost to run?

At 4 hours a day it uses about 25 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 €70 over ten years.