c/kWh
hours a day
Screen size
40"
100 cm, LED-backlit LCD
Energy rating
6
Annual electricity use
149 kWh
Label: 149 kWh Β· 0.04 kWh per hour on
Estimated running cost
$48 / year
$477 over 10 years
Power when on
40 W Β· 0.3 W standby

27% less electricity than the median of 349 comparable 40–43 inch TV registrations (205 kWh a year on the label basis). It uses less than 88% of them. At your rates that is about $18 a year less than the median, $179 over 10 years.

How efficient is it for its size?

kWh per year. Bar: the middle 80% of 349 comparable 40–43 inch TV registrations. Dot: this model (below the median). Hover or tab to a mark for its value.

Cohort: every currently registered 40–43 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
Sylvox RT40G3KOCA40"92 kWh/yr8$29
Sylvox RQ40G3KOCA40"92 kWh/yr8$29
Hisense 40Q6S40"119 kWh/yr7$38
Hisense 40Q6SAU40"119 kWh/yr7$38
Metz 40MTD6500A40"122 kWh/yr7$39

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

Tvs similar to the Akai AK40S9ZEN

ModelStarsEst. cost / yrCompare
Walton WD40RG_AU40"135 kWh/yr6$43
Skyworth 40Q5600H40"140 kWh/yr6$45
Ffalcon FF40S55A40"140 kWh/yr6$45
Coocaa 40E5500H40"135 kWh/yr6$43
Walton 40RG_AU40"135 kWh/yr6$43
Ffalcon FF40S5540"140 kWh/yr6$45
Blaupunkt BP40TIZDVD40"132 kWh/yr6$42
TCL 40S5K40"140 kWh/yr6$45

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

Compare AK40S9ZEN with another TV

Akai AK40S9ZEN specifications

Screen size (diagonal)
100.3 cm (39.5")
Screen area
4,260 cmΒ²
Screen technology
LED-backlit LCD
On-mode power
40.4 W
Passive standby power
0.30 W
Active standby power
0.00 W
Power supply
Internal
Tuner
Digital
Annual energy (label)
149 kWh
Star rating index
6.08
Country of manufacture
China

Australian GEMS registration details

Registration number
ATV6711
GEMS registration id
166559
Status
approved, available (self-reported)
Registration expires
21 April 2030
Registered for sale in
Australia
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. How the derived figures are calculated.