Solar electricity calculator

Solar panels generate renewable electricity, which helps the environment and reduces your electricity bills. Use our calculator to see how much you could save

Payback Calculator for Domestic Solar PV

Fill in the questions below to find out how much you can save by installing solar panels for electricity and when you will have a return on your investment

1. Where do you live?

2. In what direction will your solar panels face?

3. Roughly what is the 'unit price' which you pay for your daytime electricity?

Don't Know

Don't know

>60.0c per unit

4. If you have already spoken to an installer, what is the peak generation capacity of your solar PV system in kilowatts (kW)?

5. If you have already received a quote from an installer for your solar PV system please enter the amount here (total cost excluding the SEAI grant but including VAT)

€

6. During weekday daylight hours, how much of the time is there someone at home?

Estimated Annual Savings

€/year

Estimated Payback Period

Years

Note that the figures presented here are estimates for a simple domestic solar PV system only – at present it is not configured to assess the impact of including storage technologies such as an immersion diverter or a battery.
View all assumptions.

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