Solar panels in Los Alcázares: what foreign homeowners need to know

Council tax discounts in Los Alcázares

Spanish councils may reduce two taxes for solar self-consumption: the IBI (Impuesto sobre Bienes Inmuebles, the annual property tax, by up to 50% under national law) and the ICIO (Impuesto sobre Construcciones, Instalaciones y Obras, paid once on the works, by up to 95%). Both are optional for each council, which is why the figures differ from town to town. Our comparison of 21 cities (in Spanish) shows how widely they vary.

IBI: 50% of the IBI quota for 3 years (council announcement)

• The council announced after its ordinary plenary of 28 December 2021 a 50% reduction of the IBI bill during the first three years for homes and premises that install photovoltaic panels, starting in 2022, from the tax period following the application.
• The council directs applicants to its Urban Planning department. We could not read the ordinance article, its conditions or any later change.

ICIO: not verified

• We did not find a verifiable ICIO figure for solar in Los Alcázares. Ask the planning department when you apply for the licence or declaration.

How much a system produces in Los Alcázares

PVGIS, the free tool of the European Commission’s Joint Research Centre, gives 1,715 kWh per year for each kWp installed at Los Alcázares (37.748, -0.856), with panels facing south at the optimal tilt (35°), 14% system losses and 2165 kWh/m² of yearly irradiation on the panels. A 5 kWp system would therefore produce roughly 8,575 kWh a year. A roof that does not face south, or that is shaded, will produce less: your installer should model your actual roof.

Source: PVGIS v5.2 (JRC, European Commission), consulted 3 October 2026, coordinates 37.748, -0.856, elevation 6 m. Use the calculator to turn this into euros with your own tariff.

Licence and paperwork in Los Alcázares

Ask the council in writing whether the 2021 announcement is still the rule in 2026 and which documents it needs; keep the answer.

The steps that are the same everywhere in Spain (registering the installation, the surplus-energy contract, what changes on your bill) are explained in our guide to solar panels in Spain for foreign homeowners.

Particularities for Los Alcázares

Los Alcázares has the highest PVGIS figure in this guide (1,715 kWh per kWp), but PVGIS works on a grid, and nearby San Javier or Torrevieja differ by only a few per cent. Do not treat the gap as a reason to pick one town over another.

The coastal districts and the urbanisations of the municipality follow the same ordinances as the town.

Frequently asked questions

Sources

• Council announcement: 50% IBI for solar panels (plenary 28-12-2021)
• Council ordinances page (taxes)

All consulted on 2–3 October 2026. PVGIS: re.jrc.ec.europa.eu. Ordinances change, usually in the autumn for the following year: confirm the figure with the council before you sign.

Other towns