Here is some interesting data:
One kilowatt‐hour of electricity is enough to:
‐ watch television for 10 hours
‐ vacuum for an hour
‐ wash 12 pounds of laundry
‐ cook breakfast for a family of 4
‐ listen to the radio for 20 hours
‐ work on computer for 5‐10 hrs
The electricity usage chart below is a great tool that may be helpful in providing ideas that can lower your energy consumption.
CATEGORY DETAIL ESTIMATED ENERGY USAGE
Air Conditioning/Cooling Attic Fan 0.4 kWh/hr
Ceiling Fan 0.075 kWh/hr
Central (3 ton‐12SEER) 3.0 kWh/hr
Portable Fan 0.03 kWh/hr
Whole House Fan 0.2 ‐ 0.4 kWh/hr
Window/Wall Unit (18kBtu) (240V) 1.8 kWh/hr
Heating Baseboard Heater (Six Foot Unit) (250 w/foot) 1.5 kWh/hr
Electric Furnace 10.5 kWh/hr w/fan
Heat Pump Heat Strips 10.0 kWh/hr w/fan
Heat Pump w/o Heat Strips (1.8 COP) – 1.5 Ton 2.93 kWh/hr
Heat Pump w/o Heat Strips (1.8 COP) – 5.0 Ton 9.77 kWh/hr
Portable Heater (1500W) 1.5 kWh/hr
Kitchen Appliances Blender 0.4 kWh/hr
Can Opener 0.1 kWh/hr
Coffee Maker 0.12 kWh/brew
Coffee Marker/Brew, Warmer On 0.4 kWh/hr
Deep Fryer 1.5 kWh/hr
Dishwasher, Energy Saver Cycle 0.5 kWh/load
Dishwasher, Normal Cycle – Cold Water 1.0 ‐ 2.17 kWh/load
Oven, Electric Range 2.3 kWh/hr
Oven, Electric Range/Self Cleaning 6.0 kWh/hr cleaning
Oven, Electric Range/Surface 1‐1.5 kWh/hr
Oven, Microwave 0.12 kWh/5 min
Toaster (2 slices) 0.04 kWh/use
Toaster Oven 0.75 kWh/hr
Refrigerator/Freezer Older Units
Freezer (manual defrost), 15 Cu/Ft 90.0 kWh/mo
Refrigerator (frost‐free), 15 Cu/Ft 50.0 kWh/mo
Energy Star Units
Energy Star Refrigerator, 14 Cu/Ft 43.0 kWh/mo
Energy Star Refrigerator (frost‐free), 14 Cu/Ft 57.0 kWh/mo
Energy Star Refrigerator (frost‐free), 17 Cu/Ft 73.0 kWh/mo
Energy Star Refrigerator (frost‐free), 19 Cu/Ft 80.0 kWh/mo
Energy Star Refrigerator (Side by Side) 21 Cu/Ft 123.0 kWh/mo
Energy Star Refrigerator (frost‐free) 24 Cu/Ft 102.0 kWh/mo
Energy Star Refrigerator (Side by Side) 25 Cu/Ft 132.0 kWh/mo
Laundry (not incl water) Cold Wash, Cold Rinse 0.3 kWh/load
Warm Wash, Cold Rinse 1.9 kWh/load
Hot Wash, Cold Rinse 2.8 kWh/load
Warm Wash, Warm Rinse 3.5 kWh/load
Hot Wash, Warm Rinse 4.5 kWh/load
Ironing 1.0 kWh/hr
Water Heating (Electric) Instantaneous (110 v 29 amp) at 1gpm 70'F 390 ‐ 500 kWh/mo
Instantaneous (240 v 50 amp) at 2.5 gpm 83'F 12 kWh/hr
Water Pump 2.0 kWh/hr
Electronics Television >50” Plasma 0.48 kWh/hr
Television 40" ‐ 49" Plasma 0.4 kWh/hr
Television > 50" LCD 0.22 kWh/hr
Television 40" ‐ 49" LCD 0.15 kWh/hr
Television 30" ‐ 36" Tube 0.30 kWh/hr
Recording Device – DVD 0.03 kWh/hr
Recording Device – DVR 28.8 kWh/mo
Recording Device – VCR 0.02 kWh/hr
Gaming Device – Nintendo Wii 0.02 kWh/hr
Gaming Device – PlayStation 3 0.21 kWh/hr
Gaming Device – Xbox 360 0.15 kWh/hr
Computer – Desktop 0.06 ‐ 0.25 kWh/hr
Computer – Laptop 0.02 ‐ 0.05 kWh/hr
Computer – Monitor – 17” CRT 0.08 kWh/hr
Computer – Monitor – 17” LCD 0.04 kWh/hr
Radio/Stereo/CD Player 0.05 kWh/hr
*Information Sources: U. S. Department of Energy (
www.energy.gov); Silicon Valley Power (
www.siliconvalleypower.com); Concordia Electric
(
www.concordiaelectric.com). Information provided is approximate and may vary based upon age of appliances/devices and usage.