Calculate the optimum electrical power rating for your home

Click and calculate the optimum electrical power rating and tariff for your home. Learn about your home, optimise your power rating and avoid paying too much.

Frequently Asked Questions

Any questions? Here are the questions our customers ask most frequently.

This is the number of kilowatts (kW) you have in your supply and determines how many electrical devices you can have connected at a time. A price is billed for each kW contracted and for each day, regardless of whether you have consumed energy.
It is calculated by multiplying the contracted power by the days of the billing period and by the daily price of the power term. Please note that the price listed in the contract is an annual price.
The optimum power depends on the needs of your home. Based on your consumption history we can advise you and recommend the power that best suits your consumption habits.
You can increase your power through our service channels: through My Customer Area, the Iberdrola App, at our Service Points or by calling the telephone number for this.

It is important to know that increasing the contracted power entails legally established costs, with normally only one power change per year allowed.
You can reduce your contracted power through our service channels: through My Customer Area, the Iberdrola App, at our Service Points or by calling the telephone number for this.

It is important to know that reducing the contracted power entails a cost, established by law, with normally only one power change per year allowed.

Any more questions?

We will resolve them for you in any of our channels.

Power calculator