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How to make energy savings - Case Study

How to identify energy savings case study using a Belkin Insight Energy Use Monitor or similar.

 

Typical 4 bed house.  

Electricity usage spiralling out of control.  Owl Energy Monitor identifies electricity usage of £90 per month/ £1080 per year.

Room/ Device or applicance Power in Use (per year 24-7) Standby power pa (per annum) Average Power (per year) Potential Savings

HOME OFFICE    

Baby monitor £5 (4.7w) na na na
Power plug network £3.70 (3.1w) £3.70 (3.1w) £3.70 (3.1w) reduce £2.50 with belkin surge or similar
Laser printer (30-90w) £34.30 (30.1w)   reduce £2.50 with belkin surge or similar
Computer 1 incl monitor, desktop and speakers 95-135w, monitor off £75pa monitor on £115pa Computer uses 3.3w or £3.80pa switched off!, without system standby power save set it stays on all night&day uses £95pa   Activate system standby after one hour when not in use. Also use AMPwinoff to shut down at 8pm if standby does not work, saving £55/yr
PDQ Machine 3 watts, £3pa NA 3 watts, £3pa  
Desktop Computer 2 incl monitor If on 24-7 uses £50pa with monitor off, or £105pa with monitor on     Windows 7 power saving settings monitor off after 10 mins, system standby after 1 hour.

KITCHEN    

Kettle 2400W in use, about 1-2p per boil £0 £16 Only boil as much as you need, dont boil full kettle if not needed.
Microwave 800 watts in use   Variable  
Dishwater, Servis 2001 model Use generally once a day in eco mode   £48 pa Only run when full
toaster Rarely used, 900w in use   Variable  
Baby sterilizer 500w in use   Short term  
Boze ipod dock     £12.40pa if always on  
Integrated fridge     £23 pa  
Living Room        
Media streamer and surround sound box 34W £15.85pa, same as in use power! NA £15, turn off when not in use.
37 inch LCD flatscreen TV 195w 0w standby - good Variable  
Sky HD Box £24pa if on 24-7 £17pa 15w   Standby need to record, activate Sky box eco setting
Cordless phone base station   £1.70pa    

KIDS ROOM    

19 inch LCD flatscreen TV 51w in use 0 watts on standby - good    
Sony Playstation 2 26 watt (£31pa is left on 24-7) £3pa (2.7w)   turn off when not in use.
Nintendo Wii 14w in use (£15.7 if on 24-7) £0.74pa or 0.6w in standby mode - good   turn off when not in use.
Small Study        
Computer 3 £75-100pa if left on 24-7 Often left with the desktop on but monitor off still uses £75pa   Amp Winoff used to power off after 10 mins of inactivity, windows power saving to turn monitor off after 5 minutes, 90% power reduction or potential saving of £40-50 per year
Computer internet router   Variable £5-24 per year    
HP 2000 printer   £14.56pa, or 12.7w   Saving £15pa turn off when not in use.
Master Bedroom        
Bedside digital alarm clock   £1.70pa    
Blackberry phone charger   £0/ 0 watts once charged Variable  
Iphone charger   £0/ 0 watts once charged Variable  
Garage/ Utility Room        
Tall freezer 0-100w depending whether cooling   £49 pa  
Small beer fridge     £14-15pa  
Washing machine     £24pa  
Tumble dryer     £225pa Ouch Use as little as possible

OTHERS    

Dyson vacuum cleaner     Variable  
High power electric shower 10,500watts (10.5KW) in use £1.37 per hour in use or 2.28pence per minute Average 16p per 7 minute shower, 2 people 1 shower per day each is £112 approx per year  
Central heating boiler Approx 70 watts in use.   variable  

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