Grants and incentives for installing solar panels in Catalonia
Solar panel installations in Catalonia continue to grow thanks to a range of grants, subsidies, tax benefits and incentives available for homeowners, businesses and residential communities.
In 2026, users can benefit from regional, national and municipal incentives, subject to official calls and local regulations, significantly reducing the cost of photovoltaic installations.
As an EPC photovoltaic engineering company, Fotovol supports clients throughout the entire technical and administrative process, from the initial assessment to grant management.
Regional and national solar grants in Catalonia
Solar panel grants in Catalonia are regulated by regional and national authorities and include European programmes focused on self-consumption, energy efficiency and decarbonisation.
These incentives may vary depending on the type of installation, installed capacity, building use and the specific grant programme in force at the time of application.
Next Generation Funds (self-consumption and storage)
The European Next Generation funds have been one of the main drivers of photovoltaic self-consumption in Catalonia. Depending on the specific call, these grants may cover:
- Solar panel installations for residential properties
- Solar panel installations for businesses
- Energy storage systems (batteries)
- Collective self-consumption installations
- Energy efficiency projects
In 2026, grant programmes may be reactivated or modified. For this reason, it is advisable to have the technical project prepared in advance in order to submit the application as soon as new calls open.
Personal Income Tax (IRPF) deduction for energy efficiency
The personal income tax deduction allows part of the installation cost to be offset when an improvement in the property’s energy rating or a reduction in energy consumption can be demonstrated.
Key points:
- Applicable to the main residence
- Requires energy certificates before and after the installation
- May reach up to 20% of the investment
- Compatible with local tax incentives (property tax, construction tax, etc.)
Reduced VAT on photovoltaic installations
In certain cases, solar panel installations may benefit from a reduced VAT rate of 10%, when they form part of a renovation or refurbishment project of the main residence.
If the installation is carried out independently, without associated renovation works, the standard VAT rate of 21% applies.
Local tax incentives in Catalonia
In addition to regional and national grants, many municipalities in Catalonia apply local tax incentives to promote photovoltaic self-consumption.
Property tax (IBI) reduction
Many municipalities offer property tax reductions ranging from 30% to 50% for periods of 3 to 5 years. In some cases, the percentage may be higher.
Construction tax (ICIO) reduction
When applying for the building permit, many municipalities apply construction tax reductions of between 50% and 95%, resulting in direct savings at the start of the project.
Reduction of urban planning fees for solar installations
Some municipal ordinances provide for a partial or total exemption from urban planning fees for photovoltaic self-consumption installations.
Important: each municipality applies its own local tax regulations, which may change from year to year.
Grants for businesses and SMEs in Catalonia
Businesses and SMEs can access specific incentives aimed at improving the profitability of photovoltaic installations, including:
- Reductions in the Economic Activities Tax (IAE)
- Accelerated or free depreciation under Corporate Income Tax rules
- Grants for energy storage systems
- Incentives for collective self-consumption in industrial estates
These measures help reduce tax costs and accelerate the return on investment.
General requirements to apply for grants in Catalonia
Although each grant has its own conditions, applications generally require:
- Proof of ownership of the property (residential or commercial)
- Technical project or installation report
- Energy efficiency certificates (for income tax deductions)
- Building permit or responsible declaration
- Final installation certificate issued by an authorised company
- Invoices and proof of payment
How to apply for grants and tax incentives
The typical process includes:
- Preliminary technical assessment of the installation
- Review of available grants at municipal and regional level
- Application for permits and tax reductions (construction tax, fees)
- Execution of the installation
- Submission of documentation for grants and tax deductions
As an EPC photovoltaic engineering company, Fotovol manages the entire technical and administrative process, helping to avoid errors and delays.
Example of real savings in Catalonia
A single-family home with a photovoltaic installation costing €7,500 may benefit from:
- 50% property tax reduction for 3–5 years
- Construction tax reduction (up to 95%)
- Reduction or exemption from urban planning fees
- Personal income tax deduction (up to 20%)
- Possible Next Generation grants, depending on the call
Total savings can exceed €3,000 in direct incentives, excluding the reduction in electricity bills.
Grants by municipalities and provinces in Catalonia
As tax incentives depend on local municipal regulations, analysing the specific municipality is essential before starting the installation.
We have prepared local guides by area to provide detailed and up-to-date information:
Frequently asked questions about solar panel grants in Catalonia
Can different grants and incentives be combined?
In most cases, yes. Local tax incentives (such as property tax or construction tax reductions) can usually be combined with income tax deductions.
Some regional or European grants may have specific compatibility limits, so each programme should be reviewed individually.
Is a building permit required to install solar panels?
Yes. In Catalonia, a building permit or responsible declaration is required, depending on the municipality and the type of installation.
Most residential installations are considered minor works, but local regulations may vary.
How long does it take for grants and incentives to be applied?
It depends on the type of incentive:
- Local tax reductions are usually applied relatively quickly.
- Regional or European grants, such as those linked to Next Generation funds, may take several months to be approved and paid.
Are grants also available for homeowners’ associations?
Yes. There are specific incentives for homeowners’ associations and collective self-consumption projects, both at regional and municipal level.
In many cases, each participating dwelling may benefit individually.
What happens if a grant programme is closed?
Even if a specific call is closed, local tax incentives and income tax deductions usually remain available.
Having the technical project prepared in advance allows applications to be submitted quickly when new calls open.
Do all properties qualify for the same incentives?
No. Eligibility depends on several factors:
- Type of property
- Use (residential, commercial or collective)
- Municipality
- Installed capacity
- Current grant programme
For this reason, a prior technical and fiscal assessment is essential.
Who manages the grant application process?
As an EPC photovoltaic engineering company, Fotovol manages the entire technical and administrative process, including project design, permits, installation and grant management.
Request your free study
At Fotovol, we help you find out about all the available grants in Catalonia and in your municipality. We conduct the financial analysis, manage the permits, and process the grant applications for you.