Name: TCL 55C6K-UKX7
Brand: TCL
SKU: 55C6K-UKX7

TV onhours a day

Electricity pricep/kWh

Energy class: F; A to G scale, GB energy label
Official energy figure: 70 kWh/1000h (SDR); 102 kWh a year at your usage
Our estimated running cost: £27 / year; £269 over 10 years
Screen: 55"; 139 cm

Energy (label, SDR): 70 kWh · per 1,000 hours
HDR: 150 kWh · class G per 1,000 h
Resolution: 3840x2160

6% more energy than the median of 41 comparable 55 inch TVs in our current UK dataset (66 kWh/1000h (SDR)). It uses less than 44% of them. At your rates that is about £2 a year more than the median, £15 over 10 years.

How efficient is it for its size?

median 666377

kWh/1000h (SDR). Bar: the middle 80% of 41 comparable 55 inch TV registrations. Dot: this model (above the median). Hover or tab to a mark for its value.

Cohort: every 55 inch TV in our current UK dataset with a verified product information sheet, compared on the label figure (kWh/1000h (SDR)).

Tvs that use less energy

Same type and size group, at least 3% lower label figure. UK products only.

Model	Screen	Class	kWh/1000 h	Est. cost / yr	vs median
Samsung Electronics QE55QN70HAU62 kWh/1000 h55"	55"	E	62	£24	-6%
TCL 55C7L-UKXB64 kWh/1000 h55"	55"	E	64	£25	-3%
TCL 55C8L-UKXB64 kWh/1000 h55"	55"	E	64	£25	-3%
Samsung Electronics QE55QN80HAU64 kWh/1000 h55"	55"	E	64	£25	-3%

The label states on-mode energy per 1,000 hours for SDR content (and HDR where supported). Estimated cost uses your electricity price and usage settings.

Tvs similar to the TCL 55C6K-UKX7

Model	Screen	Class	kWh/1000 h	Est. cost / yr	vs median	Compare
Samsung Electronics QE55QN70HAU62 kWh/1000 h55"	55"	E	62	£24	-6%
Samsung Electronics QE55QN80HAU64 kWh/1000 h55"	55"	E	64	£25	-3%

The label states on-mode energy per 1,000 hours for SDR content (and HDR where supported). Estimated cost uses your electricity price and usage settings.

Other TCL models of similar size

Model	Screen	Class	kWh/1000 h	Est. cost / yr	vs median	Compare
TCL 55C8L-UKXB64 kWh/1000 h55"	55"	E	64	£25	-3%
TCL 55C7L-UKXB64 kWh/1000 h55"	55"	E	64	£25	-3%

The label states on-mode energy per 1,000 hours for SDR content (and HDR where supported). Estimated cost uses your electricity price and usage settings.

Compare 55C6K-UKX7 with another TV

TCL 55C6K-UKX7 specifications

Structured from the supplier’s product information sheet, the document the GB energy label is based on.

Screen diagonal: 55 in / 139 cm
Resolution: 3840x2160
Energy efficiency class (SDR): F
On-mode power (SDR): 70 W
Energy per 1,000 h (SDR): 70 kWh
Energy efficiency class (HDR): G
Energy per 1,000 h (HDR): 150 kWh
Standby power: 0.5 W
Panel: QLED

55C6K-UKX7 energy label and product information sheet

GB energy label for the TCL 55C6K-UKX7, class F — The supplier’s label image.

Product information sheet (PDF)Download Full screen

The supplier’s declaration the label and the figures on this page come from.

Energy label and sources

Great Britain record. Northern Ireland follows the EU label; an EPREL record is shown here once linked.

Scheme: GB energy label (Energy Information Regulations)
Regulation: EU 2019/2013 as applied in Great Britain
Model identifier: 55C6K-UKX7
Supplier: TCL
Energy class: F
Label figure: 70 kWh/1000h (SDR)
Source: Supplier product information sheet (published via a UK retail listing) (official document)
Retrieved: 20 September 2026

See the energy label and product information sheet above

Energy class shown: F
Seen at a UK retailer: in stock, £599 on 20 September 2026 · listing

UK figures on this page are from the supplier’s product information sheet, the document behind the GB energy label, and are not edited. Running costs, benchmarks and comparisons are our calculations. Retailer price and availability are observations on the date shown, not offers. How the UK data is gathered and calculated.