Device / Wattage
(wH/HOUR)
----------------------
HEATING
----------------------
Electric space heater, high
Electric furnace, 2000sf
Electric furnace,1000sf
Electric space heater, medium
Electric space heater, low
Gas furnace blower
Waterbed heater (avg.10hrs/day)
----------------------
COOLING
----------------------
Large window unit AC
Medium window unit AC
Small window unit AC
Eevaporative cooler
Whole-house fan
Floor fan or box fan
52" ceiling fan, high
42" ceiling fan, low
----------------------
APPLIANCES
----------------------
Clothes dryer (see note)
Washing machine (see note)
Electric water heater
Dishwasher
Electric oven, 350 degrees
Electric oven - self-cleaning (takes 4.5 hrs)
Refrigerator, pre-1986
Rrefrigerator, post-2001
Toaster or microwave
Coffee maker
Electric range burner
Clock radio
----------------------
LIGHTS
----------------------
100-watt light bulb
60-watt light bulb
CFL, 100-watt equiv.
CFL light, 60-watt equiv.
Night light
LED night light
----------------------
COMPUTERS
----------------------
Computer + 17" CRT
Computer + 17" LCD
Laptop computer
17" CRT monitor
17" LCD monitor
Sleeping computer+monitor)
----------------------
TV & VIDEO GAMES
----------------------
50-56" Plasma television
50-56" LCD television
50-56" DLP television
42" Plasma television
42" LCD television
(32" LCD television
19" CRT television
HD Cable box
PS3
XBox 360
XBox original, not 360
PlayStation 2
Nintendo Wii
Amount used per day
1 minute/day
5 minutes/day
15 minutes/day
30 minutes/day
1 hr./day
2 hrs./day
3 hrs./day
4 hrs./day
5 hrs./day
6 hrs./day
7 hrs./day
8 hrs./day
9 hrs./day
10 hrs./day
11 hrs./day
12 hrs./day
13 hrs./day
14 hrs./day
15 hrs./day
16 hrs./day
17 hrs./day
18 hrs./day
19 hrs./day
20 hrs./day
21 hrs./day
22 hrs./day
23 hrs./day
24 hrs./day
Cost of Electricity
9.2¢ (PSE AVERAGE)
13¢ (U.S. National Average)
Days used per month
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
30.4375
Kilowatt Hours
used:
kWh/mo.
Cost per month:
$
Cost per year:
$
These numbers will always be a bit squishy. Some things use more or less energy based on the model, how high you crank it, and other environmental factors. Use it as a guide.