Why Did President Bush Suddenly Start Talking about Standby Power?

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Why Did President Bush Suddenly Start Talking
about Standby Power?

• Alan Meier
• Lawrence Berkeley National Laboratory

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Standby Energy Use and Energy Savings
Opportunities

1. Why did President Bush get interested in standby
   power?
2. How large is standby power?
3. Savings opportunities

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President Bush Saw This Display.
And wrote an Executive Order about standby
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How Large Is Standby?
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A TOUR OF LEAKING APPLIANCES IN A TYPICAL US HOME
All measurements given in watts
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(answering machine)
(modem)
6.5 yrs
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(baby monitor)
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(CO sensor)
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(baby monitor)
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Total Leaking Electricity
74 W
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Our New Neptune Draws 5 W
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80.4W
Tokyo 80W
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New Zealand 125 W
Study Computer 2.2
Study Printer 5.0
Kitchen Clock Radio 1.8
Kitchen Portable phone 3.1
Kitchen Stoves (hardwired) 4.6
Kitchen Dishwasher 2.6
Kitchen Microwave 3.4
Kitchen Fridge/Freezer 5.8
Hallway Door bell transformer 1.6
Family Room TV 4.7
Family Room Video 5.3
Family Room Cable TV box 15.2
Family Room Stereo 27.5
Family Room Security system 21.5
Family Room Play Station (game) 1.0
Laundry Washing Machine 5.5
Laundry Dryer 2.2
Bedroom 2 Electronic timeclock 0.8
Bedroom 4 Clock Radio 1.3
Central Heating Condensing boiler 10.3
TOTAL STANDBY (Watts) TOTAL STANDBY (Watts) 125.4
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Paris 70 W
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How Large Is Standby?

• 5 of residential electricity (50W)
• 20 appliances/home
• TVs and VCRs down, but number up
• No estimates for commercial industrial
• Similar levels in other Europe, Japan
• Urban Chinese homes 30W already!
• 1 of global CO2 emissions

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Reducing Standby Power
3 examples
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Case Study Internet Appliance
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Internet Appliance Savings
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Satellite/Internet/DVR Box
Thermographs of
OFF - 17 Watts
ON - 21 Watts
Power Supply
Microprocessor
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The 2002 Calypso Washer. Its bigger, better
and it uses 1/10 the standby power of Neptune.
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Reducing Standby Power

• Components
• Low power components (include displays)
• Design
• Dont energize unneeded components
• Power Supply
• Reduce no-load loss
• Improve efficiency at low loads
• Move switch to high-voltage side

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End

• More Information
• akmeier_at_lbl.gov
• http//standby.lbl.gov