Form 583 is the self-assessment return for the Tax on the Value of Electricity Production (IVPEE) in Spain. This is a state tax levied on the value of electricity production fed into the Spanish electricity system. Based on the income obtained from this activity, a general tax rate of 7% applies.

Although this tax has been suspended in certain periods, it remains a key obligation for energy producers. This is particularly relevant for photovoltaic, wind, hydroelectric and thermal installations.

In this article, we explain what Model 583 in Spain is, who must file it, and which deadlines apply in 2025–2026. We also outline how to complete it correctly and what should be reviewed to avoid errors, surcharges or subsequent tax adjustments.

⚠️ Regulatory note

It is important to note that the obligation to file and pay Form 583 depends on the tax period and, above all, on the regulations in force in each financial year.

In recent years, the IVPEE has been suspended for specific periods through various Royal Decree-laws. However, this has not meant its definitive repeal.

For this reason, before filing Form 583, it is essential to verify whether there is a financial obligation, a formal filing obligation, or both, for the period being declared.

Who must file Form 583 in Spain?

The IVPEE tax in Spain applies to electricity producers who feed energy into the system and obtain income that is taxable under this regime. The tax is settled at year-end through Spain energy tax Form 583.

In addition, there are other tax forms linked to the energy production sector, such as Form 584. Each form, however, responds to different tax obligations within the applicable framework.

Owners of photovoltaic, wind, thermal and hydroelectric plants

The obligation to file Form 583 applies to owners of electricity generation facilities, regardless of the technology used. This includes photovoltaic, wind, thermal and hydroelectric installations, as well as any other technology connected to the grid.

Individuals and legal entities

Form 583 must be filed by both individuals and legal entities that own generation facilities and obtain income from electricity production.

Self-consumption schemes with surplus energy sold to the grid

In cases of self-consumption with surplus electricity, the obligation to file Model 583 depends on several factors. These include the applicable self-consumption regime, the existence of income subject to IVPEE and the tax period concerned.

Exemptions from filing Form 583

The obligation to file Form 583 is directly linked to the existence of a taxable event. As a result, installations with no energy sales, no activity during the year, or self-consumption without surplus are generally excluded.

That said, when applicable, the annual self-assessment must be filed even if the result is zero, meaning no amount is payable.

Does Form 583 apply to foreign owners of Spanish solar plants?

Foreign investors operating renewable energy installations may also be subject to IVPEE tax in Spain. Their tax obligations depend on ownership, income generation and the structure used to operate in Spain. In these cases, a specific analysis is always advisable.

Tax obligations for foreign investors in Spain’s renewable energy sector 

Foreign investors in Spain’s renewable energy sector must face different tax obligations, like:

• Corporate Income Tax (IS).
• IRNR (Resident Income Tax) if they are not residents. If the investment is channeled through a Permanent Establishment (PE), it will be taxed on the income attributable to it, like Corporate Income Tax, but with particularities.
• VAT. Reduced rate of 10% applicable to certain renewable energy installations and services, compared to the general rate of 21%. 
• Local Taxes. Possibility of exemptions in the IBI and ICIO in some municipalities for renewable installations.

But they also have different benefits like Beckham Law or other tax deductions such as Corporate Income Tax Deductions (Biomass) for companies that generate biomass energy can deduct up to 25% of the investment in Corporate Income Tax.

Standard deadlines for filing Form 583

As a rule, Form 583 involves two types of deadlines: advance payments during the year and an annual self-assessment.

The filing method mainly depends on the economic value of electricity production and whether the activity continues or ceases during the year.

If the value of production exceeds €500,000, advance payments must be made during the year. These act as tax prepayments. In addition, the annual self-assessment is filed in November of the year following the relevant tax year.

If this threshold is not exceeded, only the annual self-assessment is required. This must be filed between 1 and 30 November of the year following the tax year concerned.

What happens if the ownership of the plant changes?

When there is a change in ownership of the installation, the situation must be analysed on a case-by-case basis.

It is essential to determine who qualifies as the producer in each period and how the transfer has been structured. The obligation does not always split automatically by time.

For this reason, reviewing the transaction under the applicable regulations is critical. In practice, relying on specialised advice is strongly recommended.

How to complete Form 583 step by step

To complete Form 583 correctly, it is essential to start with reliable financial data. In addition, it is advisable to confirm in advance whether the IVPEE tax in Spain is in force for the declared period This determines whether there is a payable amount or only a formal filing obligation.

1. Identification details of the taxpayer

First, the identifying details of the installation owner must be completed. This includes the tax identification number (NIF), company name or individual name, and the tax year covered by the return.

At this stage, it is important to ensure that the information matches the records held by the Spanish Tax Agency and the documentation of the production facility.

2. Determination of the taxable base

Next, the income derived from electricity fed into the system must be declared. This includes revenue from electricity supplied to the grid and settled under the electricity market rules.

At this point, particular care should be taken not to include items that are not part of the taxable base, such as certain incentives, compensations or amounts that do not directly remunerate energy production.

Once the taxable base has been calculated, the 7% energy production tax in Spain is applied, provided that the IVPEE has not been suspended for the relevant period.

Where the tax has been suspended, the self-assessment may result in no tax payable or, in some cases, no filing obligation, depending on the specific rules in force at the time.

3. Deduction of advance payments and result

Finally, if advance payments have been made during the year, these amounts are deducted from the gross tax liability. This determines the result of the Form 583 self-assessment.

How to file Form 583 online (Spanish Tax Agency)

Form 583 must be filed electronically through the Spanish Tax Agency’s online platform. To do so, a valid digital certificate, electronic ID or accepted identification system is required.

Through the platform, the taxpayer accesses Form 583, completes the form, validates the information and submits the return. Once filed, an electronic receipt is generated and should be retained as proof of submission.

Common errors when filing Form 583

When filing Form 583, attention should be paid to issues that may lead to errors or subsequent requests from the Spanish Tax Agency. The most common include:

• Confusing production income with other concepts and incorrectly including incentives or compensations in the taxable base.
• Declaring self-consumed energy that has not been fed into the grid.
• Failing to correctly deduct advance payments made during the year.
• Incorrectly calculating the taxable base due to the use of provisional data or unadjusted market settlements.
• Filing the return late, which may result in surcharges, interest or penalties.

How LEIALTA supports you with Form 583 and the IVPEE

At LEIALTA, we advise companies on accounting and tax matters and have specific expertise in IVPEE regulations. We support energy producers and owners of photovoltaic, wind, hydroelectric and thermal installations with their electricity production tax obligations.

We assess whether there is a formal or financial obligation in each tax year and review all key aspects to ensure the correct filing of Form 583.

Our tax team supports business groups and both domestic and foreign companies, with a focus on optimising tax management and reducing compliance risks.