c/kWh
hours a day
Screen size
50"
126 cm, LED-backlit LCD
Energy rating
4
Annual electricity use
321 kWh
Label: 353 kWh Β· 0.09 kWh per hour on
Estimated running cost
$103 / year
$1,027 over 10 years
Power when on
88 W Β· 0.2 W standby

26% more electricity than the median of 299 comparable 48–50 inch TV registrations (280 kWh a year on the label basis). It uses less than 12% of them. At your rates that is about $21 a year more than the median, $212 over 10 years.

How efficient is it for its size?

kWh per year. Bar: the middle 80% of 299 comparable 48–50 inch TV registrations. Dot: this model (above the median). Hover or tab to a mark for its value.

Cohort: every currently registered 48–50 inch TV sold in Australia, 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$45
LG 50UM662H0LC50"149 kWh/yr7$48
Coocaa 50Q66CK50"175 kWh/yr7$56
Philips 49HFL5011T/1249"175 kWh/yr7$56
Bauhn ATV49FHDT-012650"195 kWh/yr6$62

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

Tvs similar to the TCL 50C7K

ModelStarsEst. cost / yrCompare
Sony K-50S3050"310 kWh/yr4.5$99
Sharp 4T-C50DK1X50"312 kWh/yr4.5$100
LG 50UM662H4LC50"149 kWh/yr7$48
Hisense 50Q6S series50"199 kWh/yr6$64
LG 50UJ660H5LD50"141 kWh/yr8$45
Hisense 50Q6SAU50"199 kWh/yr6$64
Ffalcon FF50U6450"200 kWh/yr6$64
Coocaa 50Q66CK50"175 kWh/yr7$56

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

Compare 50C7K with another TV

TCL 50C7K specifications

Screen size (diagonal)
125.6 cm (49.5")
Screen area
6,745 cmΒ²
Screen technology
LED-backlit LCD
On-mode power
87.6 W
Passive standby power
0.23 W
Active standby power
0.00 W
Power supply
Internal
Tuner
Analogue/Digital
Annual energy (label)
353 kWh
Star rating index
4.04
Country of manufacture
China

Australian GEMS registration details

Registration number
ATV6515
GEMS registration id
166351
Status
approved, available (self-reported)
Registration expires
29 January 2030
Registered for sale in
Australia, Fiji, New Zealand
Family
–
Regulatory standard
Greenhouse and Energy Minimum Standards (Televisions) Determination 2013
Test standard
AS/NZS 62087.1:2010

Source: Australian Government Energy Rating (GEMS) registration data, DCCEEW via data.gov.au (CC BY 3.0 AU). Dataset published 20 September 2026; last checked 20 September 2026. Manufacturer: tcl.com/au. How the derived figures are calculated.