Wind energy taxation in Spain: the current rules

Wind farms in Spain are taxed at several levels: national taxes such as the property tax (IBI), the business activity tax (IAE) and the tax on the value of electricity production (IVPEE, at 7%), plus regional wind levies that tax each turbine in communities such as Galicia, Castilla-La Mancha, Cantabria, Aragón, the Basque Country and La Rioja. There is no single national wind tax, but rather this combination of instruments. This guide summarises the rules in force in 2026.

Wind energy is one of the pillars of Spain's energy transition and one of the main sources in the national electricity mix. Understanding its taxation is key for developers and investors to plan their projects rigorously.

National taxes affecting wind energy

Property tax (IBI)

Wind installations are treated as real estate for cadastral purposes and may be liable for the IBI, in some cases within the category of special-characteristics real estate (BICE). The amount depends on the assigned cadastral value, which includes the land and the industrial buildings and infrastructure, and this often complicates the calculation.

Business activity tax (IAE)

Companies engaged in energy production and distribution are subject to the IAE, administered by town councils. For wind power, the charge is calculated according to the installed capacity and other parameters. Some local authorities apply reliefs where the activity meets sustainability criteria or is classified as being of general interest.

Tax on the value of electricity production (IVPEE)

Law 15/2012, on fiscal measures for energy sustainability, created the IVPEE, a tax of 7% on the value of the electricity produced that affects all generation, including wind. This tax has been suspended and reactivated several times to contain electricity prices. According to the Spanish tax agency, in 2026 the IVPEE remains in force at 7%, with temporary reductions of the taxable base in the first quarters of the year. The renewables sector is calling for its abolition to accelerate electrification.

Regional wind levies and other charges

In addition to national taxes, several autonomous communities have created their own wind levies to offset the environmental and landscape impact of wind farms. They are usually calculated per turbine and vary widely from one region to another:

• Galicia: the levy is structured in progressive bands according to the number of turbines in the farm, with amounts ranging from around 2,300 euros to nearly 5,900 euros per unit. Farms with fewer than four turbines are exempt.
• Castilla-La Mancha: applies quarterly rates per turbine that increase with the size of the farm, regulated by Law 9/2011.
• Other regions: Cantabria, Aragón, the Basque Country and La Rioja have also introduced similar instruments in recent years.

Charges for the use of public land may also apply where farms are sited on regionally or municipally owned land. This variability obliges developers to carry out a detailed prior tax study before starting construction.

Tax reliefs and incentives

Corporate income tax allowances

Companies that invest in wind projects can access allowances in corporate income tax, especially if they contribute to the research and development of new clean technologies or improve the efficiency of the generation system.

Grants and aid

Various national and regional schemes to promote renewables offer grants and finance to build or expand wind farms, install state-of-the-art turbines or improve grid management. Much of this funding comes from the Recovery Plan and from European energy-transition mechanisms. You can read more in subsidies for sustainable businesses.

Challenges and outlook

The wind sector faces challenges such as the bureaucracy of project authorisation and the variability of regional tax frameworks, but also opportunities:

1. European and PNIEC targets: the Integrated National Energy and Climate Plan and the EU's goals require an increase in the share of renewables, which favours wind power.
2. Technological advances: improvements in turbine efficiency and storage reduce operating costs.
3. Repowering: many older farms can modernise their turbines and gain capacity without taking up more land.

Frequently asked questions

Is there a national wind tax in Spain?

No. There is no specific national wind tax. Wind power is taxed through general taxes (IBI, IAE, IVPEE, corporate income tax) and, in addition, through the wind levies created by some autonomous communities.

Which regions apply a wind levy?

Galicia and Castilla-La Mancha were the pioneers, and in recent years Cantabria, Aragón, the Basque Country and La Rioja have joined them. Each sets its own amounts and exemptions.

Wind taxation and the path to decarbonisation

The rules on wind energy taxation in Spain combine national taxes (IBI, IAE, IVPEE) with regional levies that vary by region. Despite this complexity, European backing for renewables consolidates wind power as a mainstay of decarbonisation. For companies in the energy sector that want to measure and reduce their impact, Manglai's carbon footprint platform helps quantify the emissions of their activity and plan their reduction.