Elewatt
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Water Heater

Water Heater Savings Calculator

Enter your water heater size and temperature settings to see how much Elewatt saves by heating during the cheapest hours instead of the most expensive ones.

Energy · Time

11.6 kWh · ~6 h

Nord Pool avg (Mar 2025–Mar 2026) · 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

38.79 Kč

Without Elewatt

26.4 c/kWh

77.62 Kč

Your savings

Per day

38.82 Kč

Per month

1164.73 Kč

Per year

14170.89 Kč

Yearly avg Nord Pool prices, Estonia. Assumes 1 cycle/day, 2 kW heater. Grid fees: Elektrilevi.

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