Peak demand
HOUSEHOLD ENERGY, REARRANGED
A little later.
A lighter evening.
The car, the dishes, the laundry. When everything starts together, the load adds up.
Meet your evening ↗Your rates. Your routines. No connected devices.

01 / THE PLANNING TABLE
Make room for later.
Start with a sample evening, then make it yours.
One day. Half-hour steps. All calculations stay here.
Your electricity rates
Enter currency units per kWh. No live tariff feed.
The things that need doing (3)
| Device | Power · kW | Run · hours | Window from | Window until | Original start | Planned start | |
|---|---|---|---|---|---|---|---|
Times are decimal hours: 18.5 = 18:30. “Window until” is the latest finish. Windows must fit within 00:00–24:00; split an overnight job into separate days.
Demo household · replace with your own inputs.
Estimated daily cost
Energy used
Your planned day
Peak-rate hoursMove the sliders or edit planned starts above. Outlined spans show allowed windows.
02 / A CLEARER KIND OF EVENING
Less guesswork.
More perspective.
Set the boundaries.
Use average operating power, run duration, and the hours you are comfortable moving. Always follow your appliance’s operating guidance.
Choose the trade-off.
Lower cost can still mean a high peak. Choose a priority, compare both numbers, and keep the parts of the plan that suit you.
Keep it in perspective.
Energy is power × time. Cost uses your entered rate for each half hour. Estimates exclude standby load, cycling, taxes and demand charges. Savings are not guaranteed.