Although there is overlap, especially in border areas, the electricity distribution companies cover the following areas:
- e-distribución: Catalonia, Aragón, Andalusia, Balearic Islands, Canary Islands and the province of Badajoz.
- i-DE: Basque Country, Navarre, La Rioja, Castile and León except the province of Segovia and the west of province of León, Madrid except the south of the Autonomous Community, the province of Cáceres, west of the province of Toledo, north of the province of Guadalajara, the Valencian Community and Murcia.
- UFD: Galicia, the west of the province of León, the province of Segovia, the south of the Autonomous Community of Madrid, the province of Ciudad Real, the province of Cuenca, most of the province of Toledo and the south of the province of Guadalajara.
- E-REDES: Asturias.
- Viesgo Distribución: Cantabria and some parts of southern and western Asturias.
What is the certificate and how much does it cost?
It’s a document that certifies your supply is in working order. In this section, we explain why the Electrical Installation Certificate (CIE) is so important.
Your distributor requires one in the following circumstances:
- More than 20 years have elapsed since the last one was issued.
- The service capacity you have contracted is higher than that stipulated on your certificate.
- If you have made a change in the electrical voltage.
- You ask for the service capacity to be changed for a new property that has never been lived in.
- You live in the Canary Islands and want to alter service capacity.
You’ll need to call an approved technician to get a new certificate: charges vary a lot (50-200 euros), so we recommend asking for several quotes.
What you can save by reducing service capacity
Decreasing your service capacity will have an immediate effect on your bill, and will continue to do so because it means reducing a fixed charge.
For an average home, you’ll save around 5 euros a month or 60 euros per annum for each service capacity band you drop down to.
How to change your contracted power rating in five steps
Follow these steps to change your contracted power rating with Endesa:
1. Enter your Customer Area (if you are not registered or are not logged in, you will need to register/log in).
2. Go to the section "Manage Settings" in the top menu.
3. Look for the “Rates and consumption” section and click on “Change contracted power”
4. Select the contract power you require and accept the Legal Terms.
5. Click on "Save changes".