---
title: "Solar panels in Castile and León"
description: "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."
url: https://solarplan.app/solar/spain/castile-and-leon
country: ES
region: ES-CL
data_as_of: 2026-09-28
language: en
---

# 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?

- **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

## A typical home system

- Installed price: €4,300–8,000 (3–6 kWp home systems, VAT included, before subsidies)
- Sun yield: 1,600 kWh per kWp a year (Panels facing south at 35°, near Valladolid)
- Payback: 13 years (3 kWp for a home using 4,000 kWh a year, before subsidies)

The price, sun yield and payback describe one reference home near Valladolid: a household using 4,000 kWh a year with a 3 kWp system facing south at 35°, no battery and no subsidies. They come from SolarPlan's market data (installed prices, electricity tariffs, data as of 28 September 2026) and long-term satellite irradiation averages. Your own plan uses your roof, your bill and the subsidies at your address.

## Subsidies and tax bonuses

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

- **IBI property-tax bonus for solar — Valladolid** (Town, 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. [Official source](https://www.valladolid.es/es/ayuntamiento/organizacion-administrativa/areas/area-hacienda-personal-modernizacion-administrativa/utilidad/ordenanzas-fiscales/ordenanzas-fiscales-2026.ficheros/1179593-V2%20TEXTO%20INTEGRO%20ORDENANZA%20GENERAL%20%20Y%20OOFF%202026.pdf) · [Details](https://solarplan.app/programs/es-valladolid-ibi-solar)
- **ICIO construction-tax bonus for solar — Valladolid** (Town, 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. [Official source](https://www.valladolid.es/es/ayuntamiento/organizacion-administrativa/areas/area-hacienda-personal-modernizacion-administrativa/utilidad/ordenanzas-fiscales/ordenanzas-fiscales-2026.ficheros/1179593-V2%20TEXTO%20INTEGRO%20ORDENANZA%20GENERAL%20%20Y%20OOFF%202026.pdf) · [Details](https://solarplan.app/programs/es-valladolid-icio-solar)
- **Income-tax (IRPF) deduction for energy-efficiency works — 40%** (National): 40% of the cost, up to €3,000. Open until 2026-12-31. 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. [Official source](https://sede.agenciatributaria.gob.es/Sede/vivienda-otros-inmuebles/deducciones-obras-mejora-eficiencia-energetica-viviendas/deduccion-obras-mejora-consumo-energia-renovable.html) · [Details](https://solarplan.app/programs/es-irpf-da50-primary-energy)
- **Income-tax (IRPF) deduction for renewable self-consumption in 2026 — 10%** (National): 10% of the cost, up to €500. Open until 2026-12-31. Individuals who own the property; the installation is not used for an economic activity and is finished and paid for in 2026. [Official source](https://sede.agenciatributaria.gob.es/static_files/Sede/Actualidad/Novedades/2026/BOLINFORM_RDL_7_2026.pdf) · [Details](https://solarplan.app/programs/es-irpf-da62-autoconsumo-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.