EU Funding, IBI Discounts & Tax Breaks for Solar Panel Installations
Looking to switch to solar in 2025? Great news—there are several financial incentives available to help reduce the cost of your solar investment in Spain. From EU-backed grants to property tax (IBI) discounts and income tax deductions, going solar is now more affordable than ever.
Whether you’re a homeowner, business, or community group, Solarin is here to guide you through every step—from paperwork to panels on your roof.
1. Subsidies and Grants for Solar Installations
- Who can benefit? Individuals, businesses, property owners, and public administrations.
- What is covered? Self-consumption installations using renewable energy sources, with or without storage.
- What is the subsidy amount? Up to 40% of the total cost, with a maximum of €3,000 per household.
- Requirements: The minimum cost for the installation must be €1,000.
- Deadline to apply: Applications are open until February 27, 2026.
- Where to apply: Through the official platform of the Generalitat Valenciana. Click here
2. Tax Reductions and Incentives
- IBI (Property Tax) Reductions: Many municipalities in the region offer up to 50% reductions for several years on property taxes for solar installations.
- ICIO (Construction, Installations, and Works Tax) Reductions: Some areas provide reductions of up to 95%, particularly in towns with fewer than 5,000 residents.
3. Personal Income Tax (IRPF) Deductions
- Who can benefit? Individuals installing solar panels on their primary residence.
- What is covered?
- 20% for solar panel installations.
- 40% if energy consumption is reduced by 30%.
- 60% if the installation benefits an entire community of neighbors.
- Requirements: You must submit an energy efficiency certificate before and after the installation to claim these deductions.
Incentives offered by local municipalities for residential solar energy systems.
| Municipality | IBI Rebate | Duration | Details / Notes |
|---|---|---|---|
| Valencia (City) | 50% | Up to 10 years | For certified residential solar installations |
| Calp | 50% | 3 years | Max €400 in 1st year, then 25% (up to €200/year); 2kW minimum per 100m² built |
| Alcalalí | 50% | 3 years | Based on 2024 data |
| Benidorm | 50% | 3 years | Based on 2024 data |
| Benissa | 50% | 5 years | Based on 2024 data |
| Benitachell | 25% | 3 years | Based on 2024 data |
| Dénia | 50% | 5 years | Based on 2024 data |
| El Verger | 10% | 3 years | Based on 2024 data |
| Jalón (Xaló) | 25% | 3 years | Based on 2024 data |
| Jávea (Xàbia) | 30% | 3 years | Based on 2024 data |
| Moraira | 50% | 5 years | Based on 2024 data |
| Oliva | 95% | 3 years | One of the most generous IBI discounts in the region |
| Ondara | 50% | 5 years | Based on 2024 data |
| Orba | 10% | 3 years | Based on 2024 data |
| Pedreguer | 50% | 5 years | Based on 2024 data |
| Pego | 50% | 3 years | Based on 2024 data |
| Tormos | 50% | 3 years | Based on 2024 data |
