Understand Your Energy Use

Your home is a system running many different appliances to keep things comfortable and running smoothly. These appliances may be necessary for your home, and they all require energy.

Learn about the big energy consumers in your home, so you can find ways to save energy and lower your bill. You can also explore a specific appliance for more details.

Note: Estimated energy use is based on average operating conditions and costs of $0.14 per kWh and $1.00 per therm.

Air Conditioner

$23 – 137
per month

Air conditioner

Energy-saving idea: The SmartAC™ program helps prevent summer power interruptions by reducing the amount of energy your AC uses.

Enroll free

Gas central heating $1.07
per hour
Electric central heating $1.37
per hour
Gas water heater $10 – 33
per month
Electric water heater $18 – 54
per month
Portable heater $0.21
per hour /unit
Ceiling fan $1.21 – $6.80
per year

Electric Clothes Dryer

$0.33 – 0.56
per load

Dryer

Energy-saving idea:When you use your dryer, run full loads, use the moisture-sensing setting, and clean the lint trap after each use.

Read more tips

Gas clothes dryer $0.12 – 0.15
per load
Washing Machine (cold water) $0.04
per load
Washing Machine (warm/cold) $0.34
per load
Washing Machine (hot/warm) $0.88
per load
Front-loading washing machine $0.027
per load
Steam iron $0.15
per load

Compact Fluorescent (27W)

< $0.01
per hour
Ligh Bulb

Energy-saving idea: Use compact fluorescent lamps (CFL) wherever possible. Converting to energy-efficient low-wattage (27W fluorescent = 100W incandescent) CFL can lower your lighting bill.

Read more tips

Halogen lighting (45W) $<0.01
per hour
Halogen lighting (90W) $0.01
per hour
Halogen mirrored reflector (MR) lamp $<0.01
per hour
Incandescent $<0.01
per hour

Refrigerator (1992 to current)

$8.69 – 9.84
per month
Refrigerator

Energy-saving idea: Replace and recycle your old refrigerator and purchase a new ENERGY STAR® labeled model.

Read more tips

Refrigerator (Prior to 1992) $18.54
per month
Electric dishwasher $ 0.39 – 43
per load
Gas dishwasher $0.15 – 0.20
per load
Electric Oven $0.32
per hour
Gas Oven $0.21
per hour
Microwave Oven $0.02
per minute

LCD or Plasma TV

$.02 – $.06
per hour
Television

Energy-saving idea: Replace old windows with new high performance dual pane windows. Weatherstrip around windows and doors.

Read more tips

Video game consoles $<0.01
per hour
Cable box $<0.01
per hour
DVD player $<0.01
per hour
Stereo system $<0.01
per hour
Cable box – standby mode $19.98
per year
DVD player – standby mode $3.71
per month

Hair Dryer

$0.02
per use
Hair dryer

Energy-saving idea: Install energy-saver showerheads. This will reduce your water bills, and your energy bills due to less water heater use.

Read more tips

Water softener/conditioner $0.50
per month
Night light $.020
per month

 

Next Steps

  • Electric Charges

    Understand your electric charges
    Learn about your electric and gas rates, based on average baselines and cost tiers.
    Learn more
  • Energy Use

    See your energy use
    View your energy use data online by month, by day, and by the hour.
    Sign up | Log in
  • Energy Alerts

    Energy Alerts
    Get notifed by email, text message or phone when your electric use is moving toward a higher-cost tier.
    Learn more