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SolarPlan

Spain

Solar panels in Castile and León

Every programme that lowers the cost of home solar in Castile and León, with the typical price, sun yield and payback of a home system.

What grants are there in 2026?

Open programmes for homes in Castile and León, each checked against its official source.

  • 40% of the cost, up to €3,000 — Income-tax (IRPF) deduction for energy-efficiency works — 40%
  • 10% of the cost, up to €500 — Income-tax (IRPF) deduction for renewable self-consumption in 2026 — 10%
  • 50% off the property tax for 4 years — IBI property-tax bonus for solar — Valladolid
  • 95% off the construction tax — ICIO construction-tax bonus for solar — Valladolid
All programmes on this pageIRPF deduction explained

A typical home system

Installed price
€4,300–8,0003–6 kWp home systems, VAT included, before subsidies
Sun yield
1,600 kWh per kWp a yearPanels facing south at 35°, near Valladolid
Payback
13 years3 kWp for a home using 4,000 kWh a year, before subsidies

Subsidies and tax bonuses

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

  • TownValladolid

    IBI property-tax bonus for solar — Valladolid

    50% off the property tax for 4 years

    Owner's main residence (registered there), cadastral value up to €300,001; one dwelling and one installation.

    DetailsOfficial source
  • TownValladolid

    ICIO construction-tax bonus for solar — Valladolid

    95% off the construction tax

    Reduces the municipal construction tax (ICIO, 3.9% of the material cost) on the solar part of the works by 95%. Claimed with the works licence or declaration.

    DetailsOfficial source
  • 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 Castile and León?

Yes: 4 programmes apply to homes in Castile and León, including IBI property-tax bonus for solar — Valladolid; ICIO construction-tax bonus for solar — Valladolid; Income-tax (IRPF) deduction for energy-efficiency works — 40%.

How much do solar panels cost in Castile and León?

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 Castile and León?

About 1,600 kWh per installed kWp a year with panels facing south at 35°, so a 3 kWp system produces about 4,800 kWh a year.

How long do solar panels take to pay for themselves in Castile and León?

For a home using 4,000 kWh a year, a 3 kWp system pays for itself in 13 years before subsidies. Subsidies shorten it.

Can I finance solar panels in Castile and León?

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