Smart Speakers ranked by annual running cost*

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Day/4hrs
Cost/year
Prices
1
Apple HomePod mini
Electricity saving of
£3.82/year
Green Plug Score
100%
 
In-Use:Standby:Total:
Cost/day
<£0.01
<£0.01
<£0.01
Cost/year
£0.48
£1.33
£1.81
Green Plug Score
92%
 
In-Use:Standby:Total:
Cost/day
<£0.01
(np)
<£0.01
Cost/year
£0.53
(np)
£0.53
Green Plug Score
83%
 
In-Use:Standby:Total:
Cost/day
<£0.01
<£0.01
<£0.01
Cost/year
£0.77
£2.63
£3.40
Green Plug Score
75%
 
In-Use:Standby:Total:
Cost/day
<£0.01
(np)
<£0.01
Cost/year
£0.90
(np)
£0.90
Green Plug Score
67%
 
In-Use:Standby:Total:
Cost/day
<£0.01
£0.01
£0.02
Cost/year
£1.09
£5.26
£6.35
Green Plug Score
58%
 
In-Use:Standby:Total:
Cost/day
<£0.01
£0.02
£0.02
Cost/year
£1.30
£6.33
£7.63
7

Google Nest Audio
with Google Assistant

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Green Plug Score
50%
 
In-Use:Standby:Total:
Cost/day
<£0.01
(np)
<£0.01
Cost/year
£1.31
(np)
£1.31
Green Plug Score
42%
 
In-Use:Standby:Total:
Cost/day
<£0.01
£0.01
£0.02
Cost/year
£1.33
£4.94
£6.27
Green Plug Score
33%
 
In-Use:Standby:Total:
Cost/day
<£0.01
£0.01
£0.02
Cost/year
£1.50
£4.51
£6.01
10

Sony LF-S50G
with Google Assistant

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Green Plug Score
25%
 
In-Use:Standby:Total:
Cost/day
<£0.01
(np)
<£0.01
Cost/year
£3.01
(np)
£3.01
Green Plug Score
17%
 
In-Use:Standby:Total:
Cost/day
<£0.01
<£0.01
£0.01
Cost/year
£3.11
£1.95
£5.06
12

Google Home Hub
with Google Assistant

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Green Plug Score
8%
 
In-Use:Standby:Total:
Cost/day
£0.02
(np)
£0.02
Cost/year
£5.63
(np)
£5.63