ECC
$0.1834U.S. residential average · approximate · editable

AUDIT · Whole home

Find the appliances driving your bill.

Build an editable inventory and rank annual energy use and operating cost on one rate.

For a tariff calculation, include both supply and delivery charges per kWh. A state average includes revenue from fixed charges and taxes; do not add these again when using an average.Use your delivered electricity price, or keep the approximate average.
Search appliancesSearch by a common appliance name, then add the closest profile. Its wattage and equivalent runtime remain editable after it is added.

Showing six common appliances. Search to find any of 43 editable planning profiles.

Your modeled appliances4 appliances · select a row to edit
Central air conditioner · 3500 W, 3.6 hr/dayEdit
Look for input watts (W) on the appliance nameplate or manufacturer documentation. Use suitable monitoring for measured draw; ordinary plug-in meters are not suitable for hardwired or high-voltage equipment.
Estimate the hours this appliance actively runs on a typical day. A timer, smart plug, or usage log can improve this estimate.
Electric water heater · 4500 W, 3 hr/dayEdit
Look for input watts (W) on the appliance nameplate or manufacturer documentation. Use suitable monitoring for measured draw; ordinary plug-in meters are not suitable for hardwired or high-voltage equipment.
Estimate the hours this appliance actively runs on a typical day. A timer, smart plug, or usage log can improve this estimate.
Refrigerator · 150 W, 8 hr/dayEdit
Look for input watts (W) on the appliance nameplate or manufacturer documentation. Use suitable monitoring for measured draw; ordinary plug-in meters are not suitable for hardwired or high-voltage equipment.
Estimate the hours this appliance actively runs on a typical day. A timer, smart plug, or usage log can improve this estimate.
Clothes dryer · 3000 W, 0.85 hr/dayEdit
Look for input watts (W) on the appliance nameplate or manufacturer documentation. Use suitable monitoring for measured draw; ordinary plug-in meters are not suitable for hardwired or high-voltage equipment.
Estimate the hours this appliance actively runs on a typical day. A timer, smart plug, or usage log can improve this estimate.
Checking the ECC API…

Modeled annual cost

$1,998.19/year

Annual energy

10895kWh/year

Average month

$166.52

4 appliances total 10895 kWh per year; Electric water heater ranks first by energy.

Energy cost rankingHighest first
1Electric water heater
$903.70 · 45.2%
2Central air conditioner
$843.46 · 42.2%
3Clothes dryer
$170.70 · 8.5%
4Refrigerator
$80.33 · 4.0%

Source: Manual rate · June 2026 monthly average · User-provided calculation input · selected rate source: Government aggregate · approximate

Daily energy is estimated from rated power, runtime, and appliance quantity; annual energy uses the supplied days per year. · Costs apply the supplied manual flat rate uniformly to daily, average-monthly, and annual energy. · Analysis year 2026 labels the scenario; no calendar or rate escalation adjustment is applied. · Whole-home totals and shares use unrounded appliance results. · Central air conditioner: 42.2% of modeled cost · Electric water heater: 45.2% of modeled cost · Refrigerator: 4.0% of modeled cost · Clothes dryer: 8.5% of modeled cost