c/kWh
hours a day
Screen size
50"
126 cm, LED-backlit LCD
Energy rating
4
Annual electricity use
346 kWh
Label: 346 kWh ยท 0.09 kWh per hour on
Estimated running cost
$114 / year
$1,141 over 10 years
Power when on
94 W ยท 0.5 W standby

22% more electricity than the median of 279 comparable 48โ€“50 inch TV registrations (284 kWh a year on the label basis). It uses less than 13% of them. At your rates that is about $20 a year more than the median, $204 over 10 years.

How efficient is it for its size?

kWh per year. Bar: the middle 80% of 279 comparable 48โ€“50 inch TV registrations. Dot: this model (above the median). Hover or tab to a mark for its value.

Cohort: every currently registered 48โ€“50 inch TV sold in New Zealand, counted once per registration, on the label usage basis.

Tvs that use less electricity

Same type and size group, at least 3% lower annual kWh on the label basis.

ModelStarsEst. cost / yrCompare
LG 50UJ660H5LD50"141 kWh/yr8$47
LG 50UM662H4LC50"149 kWh/yr7$49
Konic KUD50SG696AS50"172 kWh/yr7$57
Coocaa 50Q66CK50"175 kWh/yr7$58
Philips 49HFL5011T/1249"175 kWh/yr7$58

kWh and cost on the label usage basis; the product page adjusts to your usage.

Tvs similar to the Samsung Electronics QA50QN90CAW

ModelStarsEst. cost / yrCompare
Sharp 4T-C50DK1X50"312 kWh/yr4.5$103
Konic KUD50GS677AM50"327 kWh/yr4$108
Sony K-50S3050"310 kWh/yr4.5$102
LG 50UM662H4LC50"149 kWh/yr7$49
Konic KUD50SG696AS50"172 kWh/yr7$57
Hisense 50Q6SAU50"199 kWh/yr6$66
Coocaa 50Q66CK50"175 kWh/yr7$58
LG 50UJ660H5LD50"141 kWh/yr8$47

kWh and cost on the label usage basis; the product page adjusts to your usage.

Compare QA50QN90CAW with another TV

Samsung Electronics QA50QN90CAW specifications

Screen size (diagonal)
125.7 cm (49.5")
Screen area
6,755 cmยฒ
Screen technology
LED-backlit LCD
On-mode power
94.0 W
Passive standby power
0.50 W
Active standby power
0.00 W
Power supply
Internal
Tuner
Digital
Annual energy (label)
346 kWh
Star rating index
4.13
Country of manufacture
Vietnam

Other model numbers on registration ATV5387

New Zealand E3 registration details

Registration number
ATV5387
GEMS registration id
151488
Status
approved, available (self-reported)
Registration expires
20 December 2027
Registered for sale in
Australia, Fiji, New Zealand
Family
QA50QN90CA*
Regulatory standard
Greenhouse and Energy Minimum Standards (Televisions) Determination 2013
Test standard
โ€“

Source: E3 programme registration data (EECA, New Zealand) (trans-Tasman E3 registration data published by DCCEEW on data.gov.au, CC BY 3.0 AU). Dataset published 20 September 2026; last checked 20 September 2026. How the derived figures are calculated.