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Practical guides on appliance usage, solar timing, and efficiency upgrades specifically for Spanish homes.
Protect yourself from door-to-door sales tactics and misleading 'official' letters common in the Spanish energy market.

Spanish electricity bills are full of technical terms. This guide breaks down every charge so you know exactly what you are paying for.

Thousands of Spanish households were affected by April's major blackout. Here is exactly how the compensation system works and how to claim what you are owed.
Understand the Peak, Shoulder, and Off-peak time bands in Spain and how to optimize your usage for maximum savings.

Spain’s electricity market offers dozens of tariffs and companies, yet many households stick with the same supplier. This inertia has a cost.

Protect yourself from energy market fraud: advice on door-to-door sales, fake letters, and phone spam.

Practical tips to optimise energy consumption in Spanish homes: schedules, appliances, and efficiency.

Potencia is one of the most misunderstood — and often overpaid — parts of the Spanish electricity bill. Understanding it properly can save you a significant amount every year.

Fuel prices remain under pressure as uncertainty around the Strait of Hormuz continues to unsettle oil and LNG markets. In Spain, electricity is holding up far better, with strong renewable output and rising solar generation help keep wholesale prices steadier as summer approaches.

Spain’s new energy tax cuts are now in force. Here is when the reduced 10% VAT on electricity, gas and fuel should appear on your bill, who qualifies, and how it compares with the earlier Ukraine-war measures.

Spain's government has slashed VAT on electricity from 21% to 10%. Millions of households are entitled to the reduction — but most don't know it's happening. Here's exactly what it means for your monthly bill.

With Middle East tensions driving energy prices to 2026 highs, we look at whether Spain will slash VAT once again.
Spain cuts electricity prices thanks to renewable surge. Full analysis for Feb 2026.
On the afternoon of 28 April 2025 the Iberian electricity system suffered its most severe outage in more than two decades. Analysis of causes and lessons regarding grid stability.

Choosing an electricity tariff in Spain is not just about finding the lowest price per kWh. It’s about understanding how the system works, how you’re billed, and how much risk you’re prepared to take.

Electricity contracts in Spain can sometimes be switched without customers realising. Learn how it happens and how to protect your energy account.

Endesa has faced a €6.1 million GDPR fine and a recent cyberattack exposing customer data. Here’s what happened and what Spanish electricity customers should know.

After a week of rapid tariff adjustments, the Spanish energy market is settling. We analyze what Octopus Energy's recent moves tell us about global volatility and retail competition.

Learn about Octopus Energy's rapid growth, international expansion, and its success in the Spanish energy market.