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

Monitors · 27″ · 1920×1080 · LCD

Stream Lumina-LS27

E

Uses less electricity than 33% of the 4,819 monitors, 24–31″ on the EU register. At your selected price (European Union) that is €9 a year, €89 over ten years.

Power, SDR
21.5 W
Typical 21 W
Running cost
€9 / year
4 h a day
Power, HDR
28.9 W
1.3× SDR

Near the middle of its group: 5 % above the typical 30 kWh. Class E is the most common class in this group (49% of models). In HDR it draws 28.9 W, 1.3 times its SDR power. It is the only Stream model in this group.

Where it stands

Rank 3,135 of 4,819 monitors, 24–31″ by yearly consumption. 3,134 use less.

Median 30 This model · 31 5 115 kWh ← uses less · uses more →

Next to it in the ranking

  1. E Z Z-Edge UG27PJ-2 31 kWh same
  2. E Dell E2726DS 31 kWh same
  3. E Stream Lumina-LS27 31 kWh
  4. E Twisted Minds TMC27Q180VA 31 kWh same
  5. E Hikvision DS-D5027F3-2P2 31 kWh same
See the full ranking

What it will cost you

Period Lumina-LS27 TG-S10 PRO Difference
1 year €9 €2 −€7
5 years €44 €11 −€34
10 years €89 €22 −€67
15 years €133 €32 −€101

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 21.5 W
HDR 28.9 W
Group median, SDR 20.5 W

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 16 €4
4 hours a day 31 €9
8 hours a day 63 €18

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 Stream Lumina-LS27 (this model)
27″21.5 31 — —
28″5.2 8 €7 €67
27″7.0 10 €6 €60
27″7.0 10 €6 €60
27″7.0 10 €6 €60
27″8.0 12 €6 €56

Label and product sheet

Energy class SDR / HDR
E / G
On-mode power SDR
21.5 W
On-mode power HDR
28.9 W
Standby / networked standby
0.1 W / 0.0 W
Screen diagonal
27″
Resolution
1920×1080
Panel
LCD
Refresh rate
50 Hz
Spare parts (minimum)
7 years

Model numbers and history

Registered by Stream under one model number.

Lumina-LS27

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

Questions

How much does the Stream Lumina-LS27 cost to run?

At 4 hours a day it uses about 31 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €9 a year, or €89 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 28.9 W instead of 21.5 W, 1.3 times as much. The yearly cost on this page uses SDR, as the label does.