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Quick answer — appliance kWh per year
kWh/yr = (watts ÷ 1,000) × hours/day × days/year per appliance. Default demo (6 loads) → 2,610 kWh/yr at $0.16/kWh ≈ $418/year. Largest share: Refrigerator (~50% of modeled kWh).
Free appliance kWh calculator and annual electricity cost estimator. Build a household energy consumption breakdown from wattage and run hours. More tools on our Energy & Sustainability hub.
Last updated October 9, 2026
Planning estimates only — use a plug meter or utility data for billing accuracy. Gas appliances are not included.
Standby loads?Phantom load calculator
kWh/year
2,610
Annual cost
$418
Planning note
Same formulas as the calculator — compare apartment loads, high rates, summer AC, and work-from-home computer use.
| Scenario | Rate | Loads | kWh/yr | Cost/yr | Top appliance |
|---|---|---|---|---|---|
| Default mix — 6 common loads | $0.16/kWh | 6 | 2,610 kWh/yr | $418 | Refrigerator (50%) |
| High rate — same mix at $0.32/kWh | $0.32/kWh | 6 | 2,610 kWh/yr | $835 | Refrigerator (50%) |
| Apartment — fridge, TV, lights only | $0.16/kWh | 3 | 1,518 kWh/yr | $243 | Refrigerator (87%) |
| Summer — add window AC (900 W, 8 hr, 120 days) | $0.16/kWh | 7 | 3,474 kWh/yr | $556 | Refrigerator (38%) |
| Work-from-home — computer 10 hr/day, 250 days | $0.16/kWh | 5 | 2,414 kWh/yr | $386 | Refrigerator (54%) |
| Appliance | Typical power | Notes |
|---|---|---|
| Refrigerator (modern) | 100–200 W avg | Cycles on/off; 24 hr/day duty |
| LED lighting (room) | 10–15 W per bulb | Multiply bulbs × hours lights are on |
| TV / streaming | 50–120 W | Larger screens and game consoles run higher |
| Desktop computer | 60–200 W | Laptops on charger often 30–60 W |
| Electric clothes dryer | 2,000–5,000 W | High power, short cycles — use minutes/day as hours |
| Dishwasher | 1,200–1,500 W | Active wash + heat dry; not always 1 hr/day |
| Window air conditioner | 500–1,500 W | Use seasonal days/year, not always 365 |
| Electric water heater | 3,500–5,500 W | Often 2–4 hr/day equivalent heating time |
| EV charger (Level 2) | 7,200 W (32 A) | kWh = miles driven ÷ efficiency, or charger hours × kW |
Annual kWh
2,610 kWh/yr
Annual cost
$418
Top load
Refrigerator
Each row converts average power (watts) into kilowatt-hours per year using run hours and active days. Summing rows gives total household plug-load energy for the list you enter; multiplying by a single blended $/kWh estimates annual cost. Percentages show which appliances dominate your modeled electricity use.
1. kWh per appliance
kWh/yr = (watts ÷ 1,000) × hours/day × days/year
2. Household total
Total kWh/yr = sum of all appliance rows
3. Annual cost
Annual $ ≈ total kWh/yr × blended $/kWh
4. Share of load
% of total = appliance kWh ÷ total kWh × 100
Add central HVAC, heat pump, or EV charging rows if you want the list to approach whole-home consumption.
Share it with anyone building a home energy budget.
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