How the solar IBI rebate works in Spain (and why your neighbour does not have it)

Someone at the golf club fitted solar panels and their IBI went down. You fitted yours, went to the town hall, and were told there is nothing. It is not an administrative mistake and it is not bad luck: in Spain the solar rebate on IBI is not set nationally. Each ayuntamiento decides for itself, in its own ordenanza fiscal, and it is perfectly entitled to decide against. This article explains exactly why, and carries the table of the 29 municipalities whose ordinance we have read and which do grant it — checked on August 5, 2026, each with a link to the document.

What the IBI rebate actually is

IBI — Impuesto sobre Bienes Inmuebles — is the annual property tax you pay to the town hall as the owner of a Spanish property. It is roughly what council tax is in the UK, except that it attaches to the property rather than to the occupier, which is why it reaches non-resident owners in full. The solar rebate is a discount on that year's gross quota for a limited number of years. It is not a permanent exemption and it is not a refund of what the installation cost.

The enabling rule is article 74.5 of the consolidated Local Finance Act, which lets town halls grant "a bonification of up to 50 per cent of the gross quota" for dwellings with systems that use solar energy for heat or electricity, provided the collectors carry official type-approval. Consolidated text in the BOE.

Two words there do all the work. "Up to": 50% is a legal ceiling, not the rate you will be given — plenty of towns stop at 10%, 25% or 30%. And "lets": the law authorises the rebate, it does not impose it. In Spanish local-finance language that is a potestative bonification, and it is the entire explanation of why your friend has it and you do not.

Why the next town along is different

Because each town hall decides on its own, two municipalities sharing a boundary, a beach and a postcode can end up at opposite extremes. This is not hypothetical — it is what reading the texts produced:

• The Marina Baixa, Costa Blanca. Villajoyosa rebates 50% for two years, extendable by two more, and Altea 25% for three. Wedged between them lie Finestrat, Benidorm, La Nucía and Alfaz del Pi — and none of the four offers an ordinary residential roof anything for photovoltaic.
• The Costa del Sol. Fuengirola rebates 50% of IBI for three years. Its two neighbouring municipalities, Mijas and Benalmádena, carry no solar clause in either tax.
• The Costa Dorada. Cambrils rebates 50% for three years and Salou applies a scale by cadastral value. Immediately next door, Miami Platja lost its own: the 2026 ordinances have no solar clause.

So here is the rule this page exists to establish: never assume your town's rebate from the next town's, from the provincial capital's, or from the town where the same installer fitted your neighbour's system. It is the mistake almost every comparison site makes, and it is why so many owners believe they are entitled to something their town hall has never granted.

A "50%" is almost never half the bill

This is the second misunderstanding and it costs more than the first, because it makes people plan around a saving that never arrives. The percentage almost always comes with a ceiling, and the ceiling is what decides what you actually get. There are four ways the same figure gets capped:

• A cash ceiling per year. In Castelldefels and Calpe the 50% stops at 400 EUR a year; in Jávea the 25% stops at 200 EUR per property per year. If your IBI quota is 1,100 EUR, that "50%" is 400 EUR, not 550.
• A percentage of what the installation cost. In Altea the total rebated may not exceed 50% of the installation cost; in Fuengirola and Los Alcázares each year's rebate is capped at 25% and 33% of the cost respectively. The discount ends when you have recovered that fraction, even if years remain.
• A scale by cadastral value. In Dénia and Salou the rate falls as the cadastral value rises. Salou runs from 50% in the lowest band down to 2% above 5,000,000 EUR, and on this coast most villas sit in the middle bands — so the headline rate is rarely the applicable one.
• A scale by installed power. In Lloret de Mar a system of 0.5 kWp or less gets nothing; 0.5 to 1 kWp gets 15%, 1 to 3 kWp gets 25%, and above 3 kWp gets 50% — all of it capped at 1,000 EUR per property per year.

That is why no percentage in the table below appears on its own: where the ordinance sets a limit, the limit is on the same line. A 50% that stops at 400 EUR a year is not a 50% discount, and presenting it as one would be exactly the kind of number an owner quotes back at you twelve months later.

The table: town by town

These are the 29 municipalities in our working area whose IBI ordenanza fiscal we read on August 5, 2026 and which contain a publishable solar clause. Rates run from 10% to the 50% legal ceiling, terms from a single tax period to five. Each line is a summary — rate, ceiling, term; the full conditions are in the linked document, and the town name leads to its page, which shows these same facts live.

Costa Blanca · Alicante

• Torrevieja — 50% off · for 3 tax years (Official source)
• Calpe — 50% off, capped at 400 EUR per year · for 3 tax years (Official source)
• Jávea — 25% off, capped at 200 EUR per year · for 3 tax years (Official source)
• Altea — 25% off, capped at 50% of the installation cost in total · for 3 tax years (Official source)
• Dénia — 50% off (maximum rate — your actual entitlement may be lower) · for 3 tax years · rate graduated by cadastral value (Official source)
• Elche — 50% off · for 3 tax years · granted once only (Official source)
• Moraira — 50% off · for 3 tax years (Official source)
• El Campello — 50% off · for 5 tax years (Official source)
• Rojales — 50% off · for 5 tax years (Official source)
• Villajoyosa — 50% off · for 2 tax years · extendable by 2 more tax years on request (Official source)
• Els Poblets — 30% off (maximum rate — your actual entitlement may be lower) · for 4 tax years (Official source)
• Benissa — 50% off, capped at 250 EUR per year · for 3 tax years (Official source)
• Guardamar del Segura — 50% off · for 3 tax years (Official source)
• Alicante — 50% off, capped at 300 EUR per year, 20% of the installation cost in total (maximum rate — your actual entitlement may be lower) · for 5 tax years (Official source)

Costa del Sol · Málaga

• Fuengirola — 50% off, capped at 25% of the installation cost per year · for 3 tax years (Official source)
• Benahavís — 50% off, capped at 33% of the installation cost per year · for 2 tax years (Official source)
• Manilva — 30% off (Official source)

Costa Brava · Girona

• Begur — 50% off, capped at 300 EUR per year · for 3 tax years (Official source)
• L'Escala — 30% off, capped at 350 EUR per year · for 5 tax years (Official source)
• Empuriabrava — 50% off, capped at 500 EUR per year · for 5 tax years · the total never exceeds the installation cost (Official source)
• Lloret de Mar — 50% off, capped at 1,000 EUR per year (maximum rate — your actual entitlement may be lower) · for 3 tax years · rate graduated by installed power (Official source)

Costa Dorada · Tarragona

• Cambrils — 50% off · for 3 tax years · the total never exceeds the installation cost (Official source)
• Salou — 50% off (maximum rate — your actual entitlement may be lower) · for 3 tax years · rate graduated by cadastral value (Official source)

Costa Barcelona · Barcelona

• Sitges — 50% off, capped at 30% of the installation cost in total · for 5 tax years (Official source)
• Castelldefels — 50% off, capped at 400 EUR per year · for 5 tax years (Official source)

Costa de Almería · Almería

• Vera — 10% off · for 3 tax years (Official source)

Costa Cálida · Murcia

• San Javier — 50% off · for 1 tax year (Official source)
• Los Alcázares — 50% off, capped at 33% of the installation cost per year · for 3 tax years (Official source)
• Mazarrón — 25% off · for 4 tax years (Official source)

Alicante city appears without a link of its own because it does not yet have a town page on this site; its ordinance is read and linked like all the others.

The eight towns where we read the ordinance and there is no rebate

Publishing this sells nothing, which is exactly why we publish it: it is the evidence that the table above comes from reading documents rather than copying a website. In these municipalities we opened the ordenanzas fiscales and there is no solar rebate on IBI.

• Benidorm — no solar clause in the IBI or the ICIO ordinance.
• Finestrat — no solar clause; its ICIO energy-efficiency rebate covers passive measures, not photovoltaic.
• La Nucía — the IBI ordinance published by SUMA carries no article 74.5 clause at all.
• Alfaz del Pi — there is a 25% clause, but it reaches only properties in health-sector use and requires a thermal and an electric installation at once — an ordinary residential roof does not qualify.
• Mijas — no solar clause in either tax.
• Benalmádena — the texts in force from 1 January 2025 do not mention solar energy in either tax.
• Nerja — no solar clause; the ICIO rebates only protected housing.
• Miami Platja — the 2026 ordinances have no solar clause; only a transitional provision survives, for applications filed before 31 December 2024.

And if your town is in neither the table nor this list, the honest answer is that we have not opened its ordinance yet. "Not checked" is not "does not exist": they are two different states and we keep them apart on purpose. Tell us the town and we will check it for your quote.

The conditions that recur in nearly every ordinance

Each text has its quirks, but reading all 29 the same requirements come round again and again. If you are going to apply, these are the ones to look at first:

• The installation must not be compulsory. The most repeated condition of all. Where the Spanish building code (CTE) requires solar on your job — typically new build or a full renovation — that installation earns no rebate. The relief rewards what you chose to do.
• A minimum power or collector area. It varies enormously: Benissa asks for at least 1.5 kW; Jávea 2 kW for photovoltaic; Calpe 1 kW per 100 m² built with a 2 kW floor; Elche 1 kW per 50 m² — and says expressly that the certificate's peak-power figure is not accepted; Salou requires installed power of at least 30% of contracted power; and El Campello 5 kW per 100 m² built.
• The self-consumption registration. In the Comunitat Valenciana, the low-voltage installation certificate and the Generalitat self-consumption registration; in Catalunya, RAC registration; in the Región de Murcia, registration with the regional energy directorate. It is the document proving the system exists and is legal.
• No debts with the town hall. Lloret de Mar states it expressly in its IBI ordinance, and several ICIO texts do the same — El Campello requires the taxpayer to be up to date with municipal charges, and Estepona refuses the rebate to anyone owing the ayuntamiento money.
• Residential use, and occasionally residence. Almost all require residential use. El Campello goes further and requires the property to have been the applicant's habitual residence for at least a year before the application — the one condition in this entire dataset that visibly bites a second home.

The deadline is what most people lose

The technical requirements are usually met; what gets lost is the date. The IBI rebate is never automatic — you apply for it, in most towns it is not retroactive, and the window differs from one to the next. Three typical shapes:

• Before the tax year you want it to apply to begins, because IBI accrues on 1 January: Fuengirola requires the application before 1 January of the year it takes effect, Begur before 31 December, and Benahavís before 31 December of the preceding year.
• Within a short window after the installation: three months in Rojales, Benissa and Moraira; six months in Sitges; and six months from Generalitat legalisation in Salou.
• Within the year of installation itself, as in Villajoyosa — where the two-year extension must also be requested before the last granted year runs out.

On top of that, the rebate usually starts counting from the tax period after the application, not the same one. Installing in October and applying in November does not reduce that year's bill. It is worth knowing when you are deciding what month to have the work done.

Before you rely on this page

Ordenanzas fiscales are re-approved every autumn, published in the provincial official bulletin between October and December, and take effect on 1 January. This table therefore has a shelf life by design. Everything above was checked on August 5, 2026 against each town hall's own document, and has to be re-checked each December. If the date you see looks old, treat it as part of the fact and open your town's link before counting on the figure.

There are also two municipalities in our area where we did find an IBI clause, but on an old text or one pending a modification whose wording has not been published. They are not in the table and we do not quote them: better a missing fact than one we cannot stand behind. They go in when the authority confirms them.

For the full picture — the national IRPF deduction, the autonomic one, and ICIO, which is the other municipal rebate and the one most often forgotten — see the guide to solar incentives in Spain. If you would rather start with the numbers for your own house, the calculator starts from your bill and the turnkey kits carry an installed price.

Frequently asked questions

How much does the IBI solar rebate actually save?

It depends on your IBI quota and on the ceiling your ordinance sets, which is why we publish no euro figure: without your receipt it would be invented. The order of magnitude you can work out yourself — take the gross quota on your last receipt, apply your town's rate from the table above, and compare it with the ceiling. Where the ceiling is 400 EUR a year, any quota above 800 EUR is already capped at 400.

How many years does the IBI rebate last?

Between one and five tax periods, depending on the town. San Javier grants it only in the first period after the installation; El Campello, Rojales, L'Escala, Empuriabrava, Sitges, Castelldefels and the city of Alicante reach five; three is the most common. Villajoyosa grants two and allows two more on request before the last granted year ends, and Manilva is the only one on the list whose text sets no term at all.

Is the IBI rebate applied automatically, or do I have to ask?

You always have to ask, with the installation documentation, and it is normally not retroactive: it starts counting from the tax period after the application. Deadlines vary — before 1 January in some towns, three or six months from installation in others — and missing the date is the commonest reason an owner who met every requirement ends up with nothing.

Can I claim the IBI rebate if solar was compulsory on my build?

No. It is the condition repeated most often across the ordinances we read: the rebate is not granted where the installation is imposed by regulation, typically on new build or a full renovation subject to the Spanish building code. It is designed to reward a voluntary installation on an existing building.

Does the IBI rebate cover solar thermal panels, or only photovoltaic?

It depends how each ordinance is drafted, and there is a bit of everything. Most speak of "thermal or electric" systems and cover both; some require a minimum 4 m² of collector area for thermal; Elche additionally requires it to cover at least 70% of annual hot-water demand; and Benissa and Benahavís draft their clause for photovoltaic only. You have to read the specific town's text.

What if my town is in neither the table nor the "nothing here" list?

It means we have not opened its ordenanza fiscal yet, and nothing more. We keep the three possible states apart — checked with facts, checked and empty, and not checked — precisely so the third never gets filled in by analogy. Because these rebates are potestative, inferring one town's from its neighbour's is the fastest route to a false number.