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Solar in Spain

Solar panels in Spain: 2026 installed price, grants and installers

What a home solar system costs in Spain in 2026, which tax bonuses apply where you live, how much it produces — and a free plan on your own roof before you talk to any installer.

A typical home system

Installed price
€4,300–8,0003–6 kWp home systems, VAT included, before subsidies
Sun yield
1,657 kWh per kWp a yearPanels facing south at 34°, near Madrid
Payback
12 years3 kWp for a home using 4,000 kWh a year, before subsidies

Regions with their own programmes

Regional deductions and town tax bonuses add to the national programmes.

Prices by size and type

Typical configurations, priced from the SolarPlan price index; production at Madrid.

ConfigurationPriceProduction a year
3 kW, no battery€4,300–5,2004,970 kWh
4 kW, no battery€5,100–6,1006,630 kWh
5 kW, no battery€5,900–7,1008,290 kWh
5 kW + 10 kWh battery€11,600–13,9008,290 kWh
6 kW, no battery€6,700–8,0009,940 kWh
5 kW + 10 kWh battery · EPS€11,600–13,9008,290 kWh

Neighbouring configurations

Guides

Key figures

Updated 28 September 2026

  • Home solar system without a battery: 3 kW €4,300–5,200; 4 kW €5,100–6,100; 5 kW €5,900–7,100; 6 kW €6,700–8,000 (installed, VAT included).
  • With a battery: 5 kWp + 10 kWh €11,600–13,900 (VAT included).
  • Price per installed watt: €1.21–1.57 (mid of the range, by size).
  • Sun yield: 1,557–1,712 kWh per kWp a year (Barcelona – Seville).
  • Payback of a 5 kWp system at 6,600 kWh a year: about 9 years, without subsidies.
  • Electricity price used (PVPC average): €0.18 per kWh.
  • National IRPF deduction: 40% of the cost, up to €3,000 (works finished in 2026, with energy certificates).

The same figures on every SolarPlan page, in the Markdown versions, in llms.txt and in the MCP tools. How the price index works

National programmes

Checked against the official source of each rule. Conditions apply: open the source before relying on a figure.

  • National

    Income-tax (IRPF) deduction for energy-efficiency works — 40%

    40% of the cost, up to €3,000

    Main residence, or a home you rent out (or rent out before 31 Dec 2027). Needs energy performance certificates issued before and after the works.

    DetailsOfficial sourceOpen until 31 December 2026
  • National

    Income-tax (IRPF) deduction for renewable self-consumption in 2026 — 10%

    10% of the cost, up to €500

    Individuals who own the property; the installation is not used for an economic activity and is finished and paid for in 2026.

    DetailsOfficial sourceOpen until 31 December 2026

Questions

Are there solar subsidies in Spain?

Yes: 2 programmes apply to homes in Spain, including Income-tax (IRPF) deduction for energy-efficiency works — 40%; Income-tax (IRPF) deduction for renewable self-consumption in 2026 — 10%.

How much do solar panels cost in Spain?

A home system of 3–6 kWp typically costs €4,300–8,000 installed, VAT included, before subsidies.

How much electricity do solar panels produce in Spain?

About 1,657 kWh per installed kWp a year with panels facing south at 34°, so a 3 kWp system produces about 4,970 kWh a year.

How long do solar panels take to pay for themselves in Spain?

For a home using 4,000 kWh a year, a 3 kWp system pays for itself in 12 years before subsidies. Subsidies shorten it.

Can I finance solar panels in Spain?

Banks and installers offer their own loans. SolarPlan lists only loans with published terms, and none is listed for Spain yet.

Articles about Spain