How to Read Your Spanish Electricity Bill (Without Losing Your Mind)

Spanish electricity bills are famously confusing. There are charges on top of charges, Spanish terms everywhere, and taxes on taxes (literally). Even Spanish people struggle with them. Here’s what everything on your bill actually means, in plain English.

The four things you’re paying for

Your bill is basically made up of four chunks:

1. The electricity you used (~40-50% of the total)
2. A fixed power charge (~25-35% of the total)
3. Meter rental (~2-3% of the total)
4. Taxes (~10-25% of the total, depending on whether temporary tax cuts are in effect)

Let’s go through each one.

1. The electricity you used

This is the most obvious part — you used electricity, and this is what it costs. If you’re on the hourly price plan, this gets calculated hour by hour based on that day’s prices. On a fixed price plan, it’s just how much you used times your rate.

On your bill, you’ll see this split into three time periods:

• Punta — the expensive hours (think evenings)
• Llano — medium-priced hours
• Valle — the cheap hours (nights and weekends)

You’ll also see some extra lines called peajes and cargos under this section. These are fees that go toward keeping the electricity grid running and funding renewable energy. Everyone pays them, no matter what company you’re with. There’s nothing you can do about these — just know they’re there.

2. The fixed power charge

This one confuses a lot of people. It’s a daily charge you pay based on how much power your home can handle at once — not how much electricity you actually use.

Think of it like this: it’s the size of the pipe coming into your house. A bigger pipe means you can run more things at the same time (oven + AC + washing machine), but you pay more per day for it.

Most apartments are set to 3.45 kW or 4.6 kW. Bigger houses might be at 5.75 kW or higher.

Here’s a money-saving tip: A lot of people pay for more capacity than they actually need. If your power never cuts out when you’re running multiple things, you might be able to lower this and save €50-100 a year. Call your provider and ask — the first change within 12 months is free.

You can actually have two different levels: a higher one for daytime and a lower one for nighttime (or the other way around, if you charge an electric car at night and need more power then).

3. Meter rental

A small charge for renting the electricity meter on your wall. It’s about €0.80 a month. Everyone pays it, and it’s the same no matter what company you’re with. Not much you can do about this one.

4. Taxes

Two taxes get added to your bill:

• Electricity tax: normally 5.11% — added to the energy and power charges
• Sales tax (IVA): normally 21% — added to everything, including the electricity tax itself

Yes, you’re paying tax on a tax. Welcome to Spain. At full rates, taxes add about 25-27% on top of your bill.

However: Spain keeps temporarily cutting these taxes as part of relief packages. As of spring 2026, the electricity tax is reduced to 0.5% and the sales tax on electricity is 10% (for households with up to 10 kW contracted). These temporary measures keep getting extended, so check your latest bill to see which rates you’re actually paying.

Your CUPS code — save this number

Somewhere on your bill there’s a long code that starts with “ES” (20-22 characters). This is your CUPS code — basically your home’s electricity ID number. It identifies your specific connection.

You’ll need this code to:

• Switch to a different company
• Compare prices from other providers
• Check your usage data online
• Apply for the Bono Social discount (a government discount for lower incomes)

Write it down or take a photo. It stays the same even if you change companies.

How much electricity is normal?

Your bill shows how much electricity you used in kWh. Here’s what’s typical for a Spanish apartment, so you know if your numbers seem off:

• Summer (running AC): 300-500 kWh/month
• Winter (electric heating): 400-700 kWh/month
• Spring/Autumn: 150-250 kWh/month

If yours seems way higher than this, common culprits are:

• Old appliances (especially fridges and freezers from another decade)
• An electric water heater that runs all day instead of on a timer
• Stuff left plugged in on standby (TVs, game consoles, coffee machines)
• Running the AC below 24°C (every degree lower uses about 7% more energy)

What to do if your bill feels too high

1. Check your power level — are you paying for more capacity than you need? (See section 2 above)
2. Look at your plan — could you save money by switching between the hourly and fixed price plans?
3. Check when you’re using electricity — are you running heavy appliances during the expensive evening hours?
4. Get quotes from other companies — use your CUPS code, it takes 10 minutes
5. See if you qualify for the Bono Social — it’s a government discount of 25-40% for people with lower incomes

Once you understand where the money goes on your bill, you can actually do something about it. That’s half the battle.