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Anyone who owns a finca or a village house in Mallorca often dreams of energy independence through their own solar power system. The Mediterranean sun provides the perfect conditions for it. However, the path to obtaining a building permit for photovoltaics (PV) comes with legal pitfalls. Balearics urban planning law (LUIB) is extremely strict and distinguishes precisely based on the legal status of a property. Discover here the four levels of legality and what they mean for your solar project.

The Four Levels of Legality in the Balearics

In contrast to many Central European countries, the legal status of a building in Mallorca is by no means always clear-cut. Due to historical administrative oversights, unauthorized expansions, or changes to zoning laws, properties today generally fall into one of four basic categories:

1. Legal (Fully Legal)

A building is considered completely legal if it was erected with an official building permit (Licencia de obra), completed exactly according to the approved plans, signed off by the municipality (Final de obra), and holds a valid certificate of habitability (Cédula de habitabilidad).

• Impact on the PV System: Unproblematic. For standard rooftop installations, a long-winded, major permitting process is not required. Instead, a simplified prior notification procedure applies (Comunicación previa). The installer submits the technical plans to the town hall, and installation can begin shortly thereafter.

2. Alegal (Tolerated / “Fuera de ordenación”)

This applies to buildings or modifications (such as pools or guest houses) built without a permit, but where the statute of limitations for fines or demolition orders (usually 8 years) has already expired. Legally, this is often referred to as being in the state of Asimilado a Fuera de Ordenación. The house is tolerated, but it is not legal. Any modernization, expansion, or substantial modification is strictly prohibited by law.

• Impact on the PV System: Highly restricted or impossible. Since only essential maintenance work is permitted on alegal structures, many municipalities refuse to approve solar panel installations. Furthermore, submitting plans to the town hall risks making the illegal existing structure officially documented.

3. Ilegal (Illegal / Unauthorized Build)

Buildings are considered illegal if they were built without permission and the statute of limitations is still running. Most critically: in protected natural areas (ANEI, ARIP) as well as on rural land (suelo rústico) for all building infractions committed since January 1, 2018, unauthorized builds in Mallorca never prescribe (no expiration date). The environmental and planning authorities can order a full demolition at any time.

• Impact on the PV System: Absolutely ruled out. There is no legal way to get a solar energy system approved. Anyone who installs panels illegally and without notice risks severe additional penalties. Today, modern drone and satellite surveillance by the authorities can spot such changes within a very short timeframe.

4. Grandfathered (Non-conforming / Legacy-Legal)

True legal grandfathered status exists if the building was originally constructed completely legally with a permit, but local building regulations or zoning plans have changed since then (e.g., reduced maximum heights or larger required setbacks from neighbors). The house enjoys grandfathered protection even though it does not comply with today’s zoning code.

• Impact on the PV System: Usually possible without issues. Because the underlying structure of the property is legal, municipalities allow the installation of photovoltaic systems via Comunicación previa, provided that the exterior appearance or historic preservation rules (especially in historic village centers) do not conflict with the project.

Quick Overview: Legality & Solar Permitting

Property Status	Legal Situation	PV Approval Possible?	Type of Town Hall Procedure
1. Legal	Fully compliant with building laws	Yes, unrestricted	Prior notification (Comunicación previa)
2. Alegal	Tolerated; infraction prescribed	Grey area / Mostly rejected	Case-by-case review / Special procedure
3. Ilegal	Active unauthorized build / No expiration	No, impossible	Not possible (Demolition risk)
4. Grandfathered	Historically legal; current laws differ	Yes, usually smooth	Prior notification (unless protected)

Current Practical Tip: The Special Legalization Decree (Decree 3/2024)

The Balearic government has introduced an extraordinary legalization window. Owners of certain prescribed (“alegal”) properties in rural areas have the opportunity to fully legalize them retroactively by paying a government fee.

The crucial catch: One of the mandatory legal requirements for this retroactive legalization is the energy efficient retrofitting of the building – and within this framework, installing a photovoltaic system is explicitly demanded as a requirement. What used to be forbidden now becomes a mandatory requirement during this special window.

Conclusion for Property Owners

Before you sign contracts with solar companies or make down payments, it is absolutely essential to verify the exact legal status of your Mallorca property. A thorough real estate legal assessment (Due Diligence) conducted by a specialized local lawyer or architect protects you from nasty surprises at the town hall and ensures a secure path to your own clean energy production under the Mediterranean sun.

Disclaimer: This blog post is for general informational purposes only and does not constitute legal advice. Administrative practices can vary depending on the local municipality (Ayuntamiento) in Mallorca.

Mallorca enjoys over 300 days of sunshine a year. Whilst detached houses are already transforming the island into a sea of blue solar panels, apartment blocks (Comunidades de Propietarios) are often lagging behind. Yet the model of Autoconsumo Colectivo (collective self-consumption) is increasingly being discussed in public. However, the path to ‘free electricity’ from one’s own roof is paved with bureaucratic and technical hurdles.

1. The human hurdle: getting the neighbours’ ‘yes’

Before the first panel is installed, the owners’ meeting must give its approval.

• The problem: even though the law (Ley de Propiedad Horizontal) now only requires a simple majority, projects often fail due to neighbours’ scepticism.

• The solution: present a cost estimate at the owners meeting.

2. The bottleneck: Registration with the grid operator

The final hurdle for any solar project in Mallorca is often e-distribución.

• The problem: registering collective consumption is significantly more complex than for individual systems. Greenpeace and installation associations such as ASINEM regularly criticise the fact that applications are left pending for months due to the slightest formal errors, or that data records for electricity distribution are not processed correctly.

• Duration: Expect a waiting period of 6–12 months before the credits actually appear on your bill.

3. Technology & Costs: the ‘hidden’ costs

The panels on the roof are the cheapest part of a photovoltaic system.

• The generation meter: An additional meter is essential for shared billing. Although the hardware costs only around €500, in many older buildings in Mallorca the meter boxes no longer comply with current standards.

• The meter room cost trap: if the grid operator requires the entire meter box to be modernised, additional costs of €1,500 to €3,000 can quickly arise, even before the first cable has been laid.

Is it worth the effort?

It makes much more sense to use the community’s photovoltaic system for the communal meters.

Installing and registering the solar system is much simpler. The cost allocation is the same for all owners, regardless of whether they use the property all year round.

Communal electricity costs often amount to several thousand euros per year, and photovoltaics is a wonderful solution for reducing these in the long term.

Rising electricity prices, climate change, environmental pollution: more and more people are turning to clean, ecologically sustainable energy sources such as the sun to generate electricity. Interest in photovoltaic systems is also growing steadily on Mallorca.

At the end of 2023, a total of 15,700 photovoltaic systems were counted on the Balearic Islands, 54 per cent of which (8,500) were installed in the past year alone. The Balearic government is supporting the expansion of renewable energies with subsidies (in 2024 these are the PITEIB and NEXT GENERATION subsidies). Some electricity suppliers such as Endesa already offer feed-in tariffs for solar power in Spain, which makes the installation of a photovoltaic system attractive, even if you don’t live in your home all year round.

The purchase of a photovoltaic system significantly reduces electricity costs, makes you less dependent on the energy supplier and produces climate-friendly electricity directly on the building. However, it is also a major investment that most consumers only make once in a lifetime.

Anyone deciding in favour of a photovoltaic system should therefore inform themselves thoroughly in advance. There is a lot to consider, such as the size of the system, how much electricity it should generate and how much it should cost.

Magdalena Ivanova from Photovoltaik Mallorca provides competent and honest answers to all these questions. ‘We attach great importance to comprehensive, personal and, in particular, realistic advice,’ emphasizes the expert. She explains things patiently and, above all, in a way that laypeople can understand. ‘The customer doesn’t want to deal with technical details or administrative tasks. What they want is an informative discussion in which we find out together what they really need. Because in this ‘watt-volt-ampere jungle’ and then again abroad, you are often lost as a consumer.’ Ivanova knows from experience: ‘My customers place the order with us and want us to take care of everything – planning, installation, dealing with the authorities, applying for subsidies.’

The solar power experts on Mallorca are not interested in selling at any price. ‘We may even advise against the installation or expansion of a system. We recommend the purchase of a battery to some customers, but not to others. The focus is on the customer, who we offer exactly what they need after we have carried out an analysis.’

What also sets Photovoltaik Mallorca apart from many ‘non-industry’ providers is its aftercare. ‘We remain available to our customers as a point of contact after the installation is complete. This is particularly important for customers who do not live permanently on Mallorca. They need a trustworthy local partner to look after their photovoltaic system’.

Another advantage of Photovoltaik Mallorca: the boss herself goes directly to the customer with the technicians. Without an on-site appointment, it is not possible to provide a reasonable cost estimate. ‘Customers can ask all their questions in English or German and receive professional advice in their native language.’

In addition to the complete photovoltaic system – photovoltaic modules, inverters, power storage units – the experts also offer charging stations for electric cars, air conditioning systems, heat pumps for pools and houses as well as electrical installations of all kinds on Mallorca.

Are you thinking about installing a photovoltaic system?

Then make an appointment for a free consultation at https://photovoltaik-mallorca.com/kontakt/ or call 0034 664399652.

Benefit from the expertise of the photovoltaic professionals and find out about the current subsidies for photovoltaics in Mallorca.

Source:

https://www.mallorcamagazin.com/nachrichten/wirtschaft/2024/07/15/124253/photovoltaik-mallorca-sicher-durch-den-watt-volt-ampere-dschungel.html

The Balearics have this year been registering records for the production of energy from renewables – photovoltaic to be precise. On April 28, as an example, the daily production reached its highest – 17.75% of the islands’ total. Since then, the levels have been below this but have nevertheless been up around the 16% mark.

The increase in this form of electricity production is notable when one considers that renewables accounted for just three per cent of the total. Over the past three years, the production has increased, but it is still way behind that of the mainland, where the average is 53% per day. The absolute record was on January 30 – 72% of all the mainland’s

https://www.majorcadailybulletin.com/news/local/2021/06/26/85983/mallorca-setting-records-for-photovoltaic-electricity-generation.html

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