Electricity Consumption Calculator
Estimate monthly energy use and cost for a single appliance, a whole-home basket, or back-solve hours or wattage that fit a monthly budget.
Appliance energy
Updates as you typeMode
What do you want to do? ?
Monthly budget ?
—
$
/ mo
Solve for
Appliance
Pick a common appliance ?
—
Usage
Wattage ?
—
W
Hours per day ?
—
h
Usage pattern
Electricity rate
Rate type ?
Cost per kWh ?
—
$
/ kWh
Use my region's average
Peak rate ?
—
$
/ kWh
Off-peak rate ?
—
$
/ kWh
Peak window
Tier 1 rate ?
—
$
/ kWh
Tier 2 rate ?
—
$
/ kWh
Tier 1 threshold
kWh / mo
Your household basket (0 appliances)
No appliances yet — set wattage and hours above, then add.
Seasonality (optional)
Use profile ?
Display (optional)
Currency
Grid CO₂ intensity ?
Hour-by-hour usage
Click segments to toggle on/off. Drag to paint a range.
Off-peak
Peak
Off
Hours on: 0
Monthly energy over a year
—
Energy —
Cost —
Monthly kWh
Peak month
Basket breakdown
Annual kWh and cost per appliance| Appliance | Wattage | Hours/day | kWh/yr | Cost/yr | Share | |
|---|---|---|---|---|---|---|
| Total | — | — |