Water Heater Savings Calculator

Volume (L)

Min temp (°C)

Max temp (°C)

Energy · Time

11.6 kWh · ~6 h

Spot price avg (last 12 months) · c/kWh

0:00 · 14.0c

1:00 · 13.9c

2:00 · 13.0c

3:00 · 12.6c

4:00 · 12.5c

5:00 · 13.1c

6:00 · 16.1c

7:00 · 22.2c

8:00 · 24.5c

9:00 · 26.3c

10:00 · 24.0c

11:00 · 22.5c

12:00 · 18.3c

13:00 · 18.2c

14:00 · 18.2c

15:00 · 18.6c

16:00 · 23.0c

17:00 · 24.6c

18:00 · 27.2c

19:00 · 29.2c

20:00 · 26.3c

21:00 · 24.6c

22:00 · 18.6c

23:00 · 16.2c

Cheapest 6hPeak 6h

With Elewatt

13.2 c/kWh

1.53 €

Without Elewatt

26.4 c/kWh

3.07 €

Your savings

Per day

1.53 €

Per month

46.04 €

Per year

560.11 €

12-month avg spot prices, Estonia. Assumes 1 cycle/day, 2 kW heater. Grid fees: Elektrilevi.

Elewatt heats your water at the cheapest hours automatically. Try it free