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Solar panels in Spain

What a typical 6 kWp home system produces, saves and costs in Spain in 2026, on free government climate data (PVGIS). Run the numbers for your own roof below.

Year-1 savings
€979
Payback
7.0 yrs
Generation / yr
9,414 kWh
CO₂ saved / yr
2,664 kg

Is solar worth it in Spain?

A 6 kWp system is a common size for a family home. The figures above use Spain’s typical install cost, electricity price and export rules, then model 25 years of savings. They are an estimate, not a quote: your roof, orientation and shading move the result, which is what the calculator works out for your exact address.

What we assumed for Spain
System cost (net of incentives)€6,480
Electricity price (import)0.21 EUR/kWh
Export / feed-in rate0.06 EUR/kWh
Incentive modelledIRPF energy-efficiency deduction, modelled at a conservative 10% (the 40% band, base max 7,500 EUR, applies only with an A/B energy rating or >=30% non-renewable primary-energy cut) (if you qualify)
25-year lifetime profit (NPV)€8,541

Solar by city in Spain

For the incentives, tariffs and the 2026 rule changes in detail, read our Spain solar guide.

Estimate only, not a quote. Figures use local climate data and average tariffs; your installer’s quote will be exact.

Your roof, your numbers

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