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 Β· Time

11.6 kWh Β· ~6 h

Nord Pool avg (Mar 2025–Mar 2026) Β· c/kWh

0:00 Β· 14.0c
1:00 Β· 13.9c
2:00 Β· 13.0c
3:00 Β· 12.6c
4:00 Β· 12.5c
5:00 Β· 13.1c
6:00 Β· 16.1c
7:00 Β· 22.2c
8:00 Β· 24.5c
9:00 Β· 26.3c
10:00 Β· 24.0c
11:00 Β· 22.5c
12:00 Β· 18.3c
13:00 Β· 18.2c
14:00 Β· 18.2c
15:00 Β· 18.6c
16:00 Β· 23.0c
17:00 Β· 24.6c
18:00 Β· 27.2c
19:00 Β· 29.2c
20:00 Β· 26.3c
21:00 Β· 24.6c
22:00 Β· 18.6c
23:00 Β· 16.2c
Cheapest 6hPeak 6h

With Elewatt

13.2 c/kWh

17.79 kr

Without Elewatt

26.4 c/kWh

35.59 kr

Your savings

Per day

17.80 kr

Per month

534.03 kr

Per year

6497.33 kr

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

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Create a free Elewatt account to set up smart schedules for your devices, track your consumption, and see personalized savings based on your actual electricity data.

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