Editorial
Energy savings articles.
Plain-language guides for homeowners in Spain.
How to switch energy supplier in Spain in 2026
Switching electricity supplier in Spain is free, takes 5–20 working days, and can save €150–€400 a year. Here's exactly how to do it before the March 2026 tax relief expires.
30 April 2026
One year on from El Apagón: what the April 2025 blackout is still costing every Costa Blanca homeowner
The lights came back. The bill didn't go down. A year after Spain's worst blackout, here's the invisible cost still showing up on every Costa Blanca electricity bill.
28 April 2026
Why your potencia contratada is probably wrong
The €240 mistake hiding in 9 out of 10 Costa Blanca electricity bills — and what 2026's price changes mean for your bill.
27 April 2026
Electricity costs in Spain 2026: what's really driving your bill
A data-driven breakdown of where every euro on your Costa Blanca electricity bill goes — appliance by appliance, with real kWh numbers.
15 April 2026
How to read your Spanish electricity bill (without losing your mind)
Spanish bills look like a tax form designed to confuse you. Here is the 6-minute guide that turns four pages of jargon into three numbers that actually matter.
15 April 2026