data: energy cost/year: iPad: $1.50

iPad: $1.50 per year - In Photos: How Much Energy Does Your iPhone (And Other Devices) Really Use? - Forbes:





iPad: $1.50

phone $0.25

LCD TV: $20

laptop computer: $8

desktop computer: $36

xbox: $40

60W lightbulb (10h/day): $26

LED lightbulb: $4.40

automobile (15K miles, 25 ml/gallon, $3.6/gallon): $2200

Tesla Model S: $450

clothes washing and drying: $300

hot water: $600

refridgerator: $42

heating and cooling: $thousands