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Electric shower cost Calculator
Calculate shower electricity, water use and cost per shower. This free electric shower cost calculator shows the calculation and its assumptions so you can compare your own figures.
Your results
Calculate shower electricity, water use and cost per shower.
Calculated outcomes
- Energy KWh
- 72 kWh
- Cost Per Shower
- €0.36
Assumptions and estimates
- Method: Energy = power × shower hours × number of showers. Water = flow × shower minutes × number of showers.
- Rated power is assumed constant while operating. Water-charge consequences and hot-water storage systems are excluded.
Useful next steps
- Use Compare options to test an alternative side by side.
- Copy, print or download a record of this calculation when you need one.
Reports open your email app addressed to s@s1.ie with the public page address only. Your inputs are never added.
How the electric shower cost calculation works
Energy = power × shower hours × number of showers. Water = flow × shower minutes × number of showers.
Rated power is assumed constant while operating. Water-charge consequences and hot-water storage systems are excluded.
Using this calculator
- Enter your own figures in the labelled inputs. Keep the currencies, units and time periods consistent.
- Choose any applicable rate profile, pattern or assumption shown for this tool. Open additional inputs when relevant.
- Review energy cost and water litres, then read the stated assumptions and eligibility conditions before using the result.
Worked example
This is a static example using illustrative inputs, not facts about you or today’s date. The displayed eligibility selections and assumptions apply only to this example.
See example inputs
- Shower power (kW)
- 9
- Minutes per shower
- 8
- Showers per day
- 2
- Days
- 30
- Electricity price (€/kWh)
- 0.3
- Flow (litres/minute)
- 6
- Energy Cost
- €21.60
- Water Litres
- 2,880 L