Iberdrola in Spain: What Expats Need to Know (2026)

Who Is Iberdrola?

Iberdrola is the largest electricity company in Spain by market share and one of the biggest energy companies in Europe. It operates as both a comercializadora (supplier that bills you) and, in most of Spain, through its grid subsidiary I-DE Redes Eléctricas. However, on the Costa del Sol, the distribution grid is operated by Endesa Distribución (E-Distribución) — not Iberdrola. If you sign up with Iberdrola as a supplier in Andalucía, Iberdrola handles your tariff and billing, but the physical cables and meter belong to E-Distribución regardless.

That distinction matters practically: if your power goes out, the fault repair will be handled by E-Distribución. Your commercial relationship with Iberdrola (billing, tariff, contracts) is separate from the grid infrastructure.

Tariff Options in 2026

Iberdrola offers two categories of electricity contract: the regulated PVPC tariff (mercado regulado) and free market tariffs (mercado libre).

PVPC — The Regulated Tariff

As a comercializadora de referencia, Iberdrola is one of the handful of companies legally allowed to offer the PVPC tariff. PVPC prices change every hour based on the wholesale electricity market and are published the day before by Red Eléctrica. There is no fixed price per kWh — your bill fluctuates month to month depending on market conditions.

In 2025, average PVPC prices were relatively low by recent historical standards due to high renewable generation, and many PVPC customers paid less than those on fixed free-market contracts. However, that can reverse quickly when conditions change — as seen in 2021-2022 when prices spiked sharply.

PVPC customers are eligible for the bono social, a means-tested electricity discount that can reduce your bill by 25–65% if you qualify. You can only access the bono social through a comercializadora de referencia like Iberdrola — not through free market suppliers.

Free Market Tariffs (Mercado Libre)

Iberdrola’s free market plans as of early 2026 include:

• Plan Online — flat rate, €0.1099/kWh all day, managed digitally. Estimated bill around €56/month at average consumption. No time-band complexity.
• Plan Online 3 Periodos — three-band time-of-use pricing. Peak (punta): €0.1940/kWh; shoulder (llano): €0.1360/kWh; off-peak (valle): €0.1000/kWh. Good for households who can shift consumption to nights and weekends, but requires discipline and smart metering.
• Plan Estable — fixed flat rate at €0.1624/kWh. Described by Iberdrola as a 5-year price guarantee — significantly longer than the standard 12-month lock-in offered by most suppliers. Higher price than Plan Online but offers more long-term certainty.
• Plan Supertranquilidad — €0.1499/kWh, marketed as a mid-range stable option.
• Plan Más Ahorro — €0.1711/kWh, includes loyalty benefits.

Note: Plan Noche, Plan Estable Verde, and Plan Invierno were all discontinued in 2025. If you see these mentioned on older expat forum posts, they are no longer available.

Free market contracts typically include a permanencia (commitment period) — commonly 12 months — with a penalty for early exit. Confirm the exact terms before signing.

Which Tariff Makes Sense?

There is no universal right answer. Our guide to PVPC vs fixed tariffs covers this in detail, but the short version is: PVPC works well when markets are calm and you want the bono social; fixed tariffs offer predictability but you pay a premium for it. The Endesa Conecta tariff (€0.0999/kWh) is currently cheaper than Iberdrola’s Plan Online flat rate (€0.1099/kWh) for comparison.

Signing Up as an Expat

Iberdrola accepts NIE (Número de Identificación de Extranjero) as your identifying document — you do not need a DNI. You will also need:

• Your CUPS code (Código Universal del Punto de Suministro) — the supply point identifier found on any previous electricity bill or by contacting E-Distribución directly
• A Spanish bank account for direct debit (SEPA)
• Your NIE and current address

You can sign up online via iberdrola.es (the English toggle is at the top of the homepage), by phone (900 225 235), or in person at any Iberdrola office. There are Iberdrola offices throughout Spain, including on the Costa del Sol, which is one practical advantage of their size. If you prefer face-to-face support in English, call ahead to check whether the branch has an English-speaking member of staff available.

If you are taking over a property that already has an Iberdrola contract, you are applying for a cambio de titular (change of holder) rather than a new connection — slightly different paperwork but the same process overall.

English Language Support

Iberdrola’s website (iberdrola.es) has an English-language version accessible via the language toggle in the header. The English site covers tariff information, account management, and FAQs. Quality is reasonable for a large utility website.

Phone support is a different matter. Readers have reported that getting an English-speaking agent on 900 225 235 requires asking explicitly — and that the availability of English support varies considerably depending on the call centre handling your region and the time of day. Some readers report being transferred multiple times before reaching someone who speaks English; others have had no issues. Calling during business hours (Monday–Friday) tends to produce better results than evenings or weekends.

Tariffs, taxes, and supplier practices in Spain change with little warning, and the first sign is often a higher bill. The weekly WaypointSur Briefing flags these changes for Costa del Sol residents, free, before they cost you money.

The Mi Iberdrola app and online portal allow self-service in English for most routine tasks: viewing bills, checking consumption, updating payment details. Readers have reported that the app works but is slow to reflect recent meter readings and that the bill breakdown — with separate line items for potencia contratada, energía, impuesto eléctrico, and IVA — is initially confusing if you are not familiar with the Spanish billing structure. This is partly a structural issue with how Spanish electricity bills work, not purely an Iberdrola problem, but understanding your bill helps.

Solar and Autoconsumo

Iberdrola accepts autoconsumo (self-consumption solar) contracts. If you have solar panels on your property, Iberdrola can set up surplus compensation (compensación de excedentes), where any electricity you export to the grid is credited against your bill. The rate Iberdrola applies for surplus compensation is tied to market prices and is standard across the industry — there is no above-market premium for solar customers.

One Trustpilot reviewer noted that the terms of compensación de excedentes were not clearly explained before signing their Iberdrola solar contract. Iberdrola’s response was that the details are published on their product pages. Worth reading carefully if you are setting up solar.

Bono Social Eligibility

The bono social is a Spanish government subsidy that reduces your electricity bill by 25% (standard) or 65% (severe vulnerability). It is available to residential customers on the PVPC tariff who meet income and household criteria set by the government.

Because Iberdrola is a comercializadora de referencia, PVPC customers with Iberdrola are eligible to apply. You apply directly through Iberdrola once you are on PVPC. Note that switching to any free market tariff (including Iberdrola’s own Plan Online or Plan Estable) removes your bono social eligibility — you would need to return to PVPC to reactivate it.

Strengths and Weaknesses

What Works

• Ubiquitous presence. Iberdrola offices exist in essentially every town. For expats who prefer in-person support, this matters.
• PVPC availability. Not all suppliers offer PVPC. Iberdrola does, which means you can access the regulated market, the bono social, and hourly pricing if you want it.
• Long-term price lock available. Plan Estable’s 5-year price guarantee is unusual in the Spanish market. Most fixed contracts are 12 months maximum.
• Established track record. As Spain’s largest supplier, Iberdrola is not going anywhere. For expats who value stability over best price, that is not nothing.
• English website. Functional and covers the key information you need before signing up.

What to Watch Out For

• PVPC-to-free-market upselling. This is a documented and persistent issue. Expat community feedback suggests Iberdrola agents have, in many cases, called existing PVPC customers to suggest switching to a free market plan — sometimes without clearly explaining that doing so removes bono social eligibility. If Iberdrola calls you and suggests you switch tariffs, ask for the full terms in writing before agreeing to anything.
• App reliability. The Mi Iberdrola app is functional but readers have reported lag in updating consumption data, which makes it harder to track real usage in near real time.
• Confusing bill layout. Spanish electricity bills are complex by design (multiple regulated components), but Iberdrola’s bill format has attracted specific complaints about unclear presentation. It helps to read a guide to Spanish electricity bills before your first bill arrives.
• Phone wait times. Readers have reported long hold times on Iberdrola’s customer service line, particularly during peak hours.
• English phone support is inconsistent. Some readers get through to English speakers promptly; others report being transferred repeatedly. Branch support varies by location.
• Not the local grid operator on CdS. On the Costa del Sol, E-Distribución (Endesa’s grid arm) manages the infrastructure. Switching to Iberdrola as your supplier does not change who handles physical outages and repairs — that remains E-Distribución’s job.

Switching to Iberdrola

Switching electricity suppliers in Spain is handled under the standard cambio de comercializadora process. You sign up with Iberdrola (online, phone, or in person), they handle the switch with your current supplier, and your supply is not interrupted. The process typically takes 1–3 weeks.

If you are currently on PVPC with another comercializadora de referencia (e.g., Endesa), switching to Iberdrola PVPC is straightforward and you maintain bono social eligibility. If you are switching from a free market supplier, the switch is equally simple, but check whether your current contract has an early-exit penalty.

Frequently Asked Questions

Can I get Iberdrola in English on the Costa del Sol?

Yes, Iberdrola’s website has an English version and you can start a contract online in English. For in-person or phone support in English, results vary. Readers have reported that some Iberdrola branches on the Costa del Sol have English-speaking staff, but it is not guaranteed. Calling 900 225 235 and asking for an English speaker works for some customers, while others report being transferred multiple times. Face-to-face support at a local branch during quiet hours tends to be the most reliable route.

Is Iberdrola the distributor on the Costa del Sol?

No. On the Costa del Sol and across most of Andalucía, the electricity distribution grid is operated by E-Distribución (Endesa’s grid subsidiary). Iberdrola’s grid subsidiary, I-DE Redes Eléctricas, operates in other regions of Spain. If you sign up with Iberdrola as your supplier in Andalucía, your meter, cables, and fault repairs remain under E-Distribución. You would be switching your commercial relationship (billing and tariff) but not your physical connection.

Can I get the bono social with Iberdrola?

Yes, but only if you are on the PVPC regulated tariff. Iberdrola is a comercializadora de referencia and PVPC customers can apply for the bono social discount through Iberdrola directly. If you are on any of Iberdrola’s free market plans (Plan Online, Plan Estable, etc.), you are not eligible for the bono social.

What happened to Plan Noche?

Iberdrola discontinued Plan Noche, Plan Estable Verde, and Plan Invierno in 2025. If you are on one of these older plans you may have been migrated automatically or offered an alternative. For 2026, the main options are Plan Online (flat rate), Plan Online 3 Periodos (time-of-use), Plan Estable (5-year fixed), and PVPC.

How do I read my Iberdrola bill?

Spanish electricity bills include several components: the term de potencia (fixed capacity charge based on your contracted kW), the term de energía (variable charge per kWh consumed), the impuesto eléctrico (electricity tax, currently around 2.5%), and IVA (VAT, restored to 21% from January 2025). Iberdrola’s bill presents these as separate line items. Our guide to Spanish electricity bills walks through each component. The total on page one is what you actually pay — the breakdown exists mainly for regulatory transparency.

Can Iberdrola set up solar autoconsumo at my property?

Yes, Iberdrola offers autoconsumo contracts with surplus compensation. Before signing, ask specifically for the compensación de excedentes rate and confirm all terms in writing. Readers have reported that these details are not always proactively explained during the sales process.

See also: Comparing electricity providers in Spain | PVPC vs fixed tariffs explained | How to switch electricity suppliers in Spain