EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Monitors · 34″ · 3440×1440 · LCD

LC-Power LC-M34-UWQHD-144-C-K

G

Uses less electricity than 7% of the 1,482 monitors, 32–42″ on the EU register. At your selected price (European Union) that is €16 a year, €161 over ten years.

Power, SDR
38.9 W
Typical 31 W
Running cost
€16 / year
4 h a day
Power, HDR
57.7 W
1.5× SDR

Uses more than most comparable models: 93 % of them need less. LXZ LX34 ZA, the most efficient alternative on sale, saves about €14 a year. 73% of comparable models reach a better class than G; the most common is F. In HDR it draws 57.7 W, 1.5 times its SDR power. LC-Power has 18 models in this group; this one is number 12 among them. On the register since 2021 and still on sale.

Where it stands

Rank 1,358 of 1,482 monitors, 32–42″ by yearly consumption. 1,357 use less.

Median 46 This model · 57 5 135 kWh ← uses less · uses more →

Next to it in the ranking

  1. G LG 35BN75CN 57 kWh same
  2. G LG 35BN77CN 57 kWh same
  3. G LC-Power LC-M34-UWQHD-144-C-K 57 kWh
  4. G LG 32QN600 57 kWh same
  5. G LG 32QN650 57 kWh same
See the full ranking

What it will cost you

Period LC-M34-UWQHD-144-C-K LX34 ZA Difference
1 year €16 €2 −€14
5 years €80 €12 −€69
10 years €161 €24 −€137
15 years €241 €35 −€206

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

SDR 38.9 W
HDR 57.7 W
Group median, SDR 31.5 W

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 28 €8
4 hours a day 57 €16
8 hours a day 114 €32

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
G LC-Power LC-M34-UWQHD-144-C-K (this model)
34″38.9 57 — —
34″5.7 8 €14 €137
34″5.7 8 €14 €137
34″8.0 12 €13 €128
34″15.9 23 €10 €95
34″20.0 29 €8 €78

Label and product sheet

Energy class SDR / HDR
G / G
On-mode power SDR
38.9 W
On-mode power HDR
57.7 W
Standby / networked standby
0.4 W
Screen diagonal
34″
Resolution
3440×1440
Panel
LCD
Refresh rate
144 Hz
Software updates (minimum)
10 years
Guarantee (supplier)
2 years
Spare parts (minimum)
10 years

Model numbers and history

Registered by LC-Power under one model number.

LC-M34-UWQHD-144-C-K

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

Questions

How much does the LC-Power LC-M34-UWQHD-144-C-K cost to run?

At 4 hours a day it uses about 57 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €16 a year, or €161 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 57.7 W instead of 38.9 W, 1.5 times as much. The yearly cost on this page uses SDR, as the label does.