Monthly Energy Bill Calculator (3-Tariff)

Estimate your monthly electricity bill using a 3-tariff scheme (Night, Day, Peak) and your usage split.

Total electricity consumption per month.
Only affects formatting.
Fills usage split percentages automatically.
Typically the cheapest rate.
Standard daytime rate.
Most expensive “peak” hours rate.
How much of your usage happens at night.
Typical daytime share.
Evening or peak-hour share.