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Why install solar in Castellón in 2026?
Electricity prices keep rising and Castellón is one of the European provinces with the highest solar potential. With an average 5 kWp installation in Castellón, you can save between €750 – 1.200 per year on your electricity bill.
In addition, regional subsidies and tax deductions of up to 60% on income tax mean there has never been a better time to take the step.
Aid and subsidies for solar in Castellón
A Todo Sol handles all subsidies for you. No paperwork, no extra cost.
60% deduction
National tax deduction on the income-tax bill for energy efficiency improvements. Applicable to primary residence.
A Todo Sol handles it for you →Regional aids
Valencian Community subsidies for self-consumption installations. Check current availability.
Check availability →IBI and works licence
Many town halls in Castellón offer bonuses on IBI tax and works licences if you go solar.
Check your municipality →Bonuses by municipality in Castellón
| Municipality | Bonus | Duration |
|---|---|---|
| Castellón de la Plana | 50% IBI tax bonus | 3 years |
| Vila-real | 50% IBI tax bonus | 5 years |
| Burriana | Works licence bonus | One-off |
| Onda | 50% IBI tax bonus | 3 years |
| Benicàssim | IBI bonus | 3 years |
Install a photovoltaic pergola and benefit from the same subsidies.
Calculate your solar savings in Castellón
A personalised estimate for your area in less than 30 seconds.
How does it work?
Free consultation
Fill in the form. In less than 24h we call you to understand your case.
Project & paperwork
We design your installation and handle permits and subsidies for you.
Installation
Our certified team installs in Castellón on the agreed date. No subcontractors.
Grid connection & monitoring
We register the system with the utility and give you access to the production monitor.
Get a personalised quote in Castellón
No strings attached. No fine print. Reply within 24 hours.
Ready to start saving?
Personalised quote, no strings attached. Fixed price. Weekends included.
Real installations in Castellón
Some of our most recent projects in the province.
What our clients say
4.9/5 on Trustpilot · 128 verified reviews
"Flawless installation. Very professional and fast team. Within 24h we had panels running."
Ana Climent, Castellón de la Plana
"They handled all the subsidies at no cost. Great service from start to finish."
Sergio Gómez, Vila-real
"Very professional. They work weekends. You can tell they are real experts."
Manuel Gaspar, Burriana
Frequently asked questions
Ready to go solar in Castellón?
No strings attached. Personalised quote in 24h. Subsidies included.
Request free quote →Or call us: +34 692 22 97 13
We do the hard stuff with ease. We create the impossible with professionalism.
Shall we call you?
No strings attached. We study your case and give you a fixed price.
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