Spain's climate disclosure laws come into force this year, requiring large multinational companies to disclose climate-related financial risks for the 2025 fiscal year. As we move into 2026, Spain has established itself as one of Europe's most ambitious ESG regulators, transforming carbon reporting from a voluntary initiative to a legal imperative. Royal Decree 214/2025, effective from June 12, 2025, makes carbon reporting a legal obligation for thousands of Spanish companies.
If your company operates in Spain, understanding CSRD Spain 2026 compliance is no longer optional. This comprehensive guide explains how Royal Decree 214/2025 and ESG reporting requirements impact your organization, what you need to report, and how to achieve compliance before critical deadlines arrive. For organizations wishing to develop a practical reporting and sustainability strategy, this process can be complemented with specialized training such as ESG Strategy and EU CSRD Reporting.
In total, around 4,000 public and private entities will be obliged to comply. The stakes are extraordinarily high: non-compliance can lead to exclusion from public procurement processes, which represents a significant business risk in a market where public sector spending accounts for a relevant part of Spain's GDP.
Understanding Royal Decree 214/2025: the carbon reporting revolution in Spain
What is Royal Decree 214/2025?
In June 2025, Royal Decree 214/2025, of March 18, 2025, came into force, creating the carbon footprint, offsetting and carbon dioxide absorption project registry, and establishing the obligation to calculate the carbon footprint and to prepare and publish greenhouse gas emission reduction plans.
This new regulation obliges large companies and public authorities to annually calculate their carbon footprint, prepare GHG emission reduction plans, and publish this information in an accessible manner.
With this legislation, the Spanish Government takes a significant step in the energy transition, moving towards the future application of the Corporate Sustainability Reporting Directive (CSRD) and positioning itself ahead of other countries in the region. While much of Europe has debated simplifying or slowing down certain ESG obligations, Spain has accelerated climate accountability, making it a central element of compliance and competitiveness.
Spain's position amidst EU regulatory changes
The timing of the Spanish regulatory acceleration is particularly relevant. While the EU has debated simplifying some of its sustainability reporting requirements through the Omnibus package, Spain has adopted a more demanding approach to climate matters.
On the one hand, Brussels seeks to alleviate certain compliance burdens and adjust the scope of the CSRD. On the other hand, Spain has chosen to strengthen national obligations with Royal Decree 214/2025 and a stricter climate agenda, including mandatory carbon reporting, progressive integration of Scope 3, resilience measures, and new public oversight structures.
How Royal Decree 214/2025 connects with CSRD compliance
The decree implements elements that clearly fit within the sustainability reporting ecosystem, creating a national carbon accounting framework that goes beyond traditional corporate reporting. This generates a temporary dual-track scenario for Spanish companies: they must comply with specific national requirements while preparing for the full transposition of the CSRD.
Spain has still been adjusting the regulatory process for adapting the CSRD, but the practical reporting and preparation obligations are already a reality for many companies. In this context, it is particularly useful for sustainability, compliance, and finance teams to work on a common methodological basis. Therefore, applied training such as ESG Strategy and EU CSRD Reporting can serve as support for structuring processes, governance, and reporting.
Who must comply: determining your CSRD obligations in Spain
Private companies subject to Royal Decree 214/2025
Royal Decree 214/2025 applies to organizations that were already required to report their non-financial information according to Law 11/2018, i.e., those with more than 250 employees and who, in addition, meet certain financial or public interest criteria.
This includes medium and large companies in multiple sectors, from manufacturing and retail to professional services and technology companies. In practice, it affects companies with more than 250 employees and assets exceeding 20 million euros or turnover exceeding 40 million euros for two consecutive fiscal years, as well as certain public interest entities.
Public entities and government agencies
Certain state authorities and other public sector entities are also required to report this information. This includes ministerial departments of the General State Administration, autonomous agencies, management entities, and other components of the state administrative public sector.
Event organizers: a singular requirement
The law also incorporates the obligation to calculate the so-called "event footprint" for relevant events with more than 1,500 participants. This provision extends carbon accounting to large-scale meetings, conferences, and public events.
What about SMEs?
SMEs are not automatically included in all cases, although they may be indirectly affected by supply chain demands, sustainable financing, or access to grants and tenders.
The future advancement of Scope 3 reporting will increase pressure on the entire value chain, making proactive carbon accounting increasingly important for smaller companies as well.
Essential ESG reporting requirements for 2026
Mandatory carbon footprint calculation
Companies within the scope of application must annually calculate their carbon footprints, including Scope 1 and Scope 2. The calculation will be annual for a consecutive 12-month period.
Companies will have to report in 2026 on 2025 data, covering Scope 1 and Scope 2 emissions. Scope 3 remains voluntary for most private companies for now, although its strategic importance is already evident.
GHG emission reduction plans
The decree not only obliges to measure but also to act. Therefore, it requires having a greenhouse gas emission reduction plan. This plan must include, at a minimum, a quantified reduction target with respect to a base year, along with the planned measures to achieve it.
As of January 1, 2026, and in relation to the carbon footprint for 2025, the target must be projected with a minimum time horizon of five years.
Publication and disclosure obligations
Obligated companies must make information on the carbon footprint and reduction plan publicly available, free of charge and accessibly on their website. If such information is already included in their Non-Financial Statement (EINF) or sustainability report, this requirement may be considered met.
Both the carbon footprint and the reduction plan must be published within six months of the end of the fiscal year.
Registration in the Carbon Footprint Registry
The registration of carbon footprints remains voluntary for many entities, although it is mandatory in certain cases for public authorities. In addition, registration can provide reputational value and advantages in public procurement.
Critical timeline: CSRD Spain 2026 compliance deadlines
Understanding the compliance timeline is essential:
June 12, 2025: Royal Decree 214/2025 comes into force.
Fiscal year 2025: first full year of mandatory Scope 1 and 2 measurement.
During 2026: publication of the first report on 2025 data and the first five-year reduction plan.
From 2028: reporting requirements intensify, especially in relation to Scope 3 for certain entities.
Target 2050: alignment with climate neutrality in line with the European framework.
Methodology and standards for ESG compliance in Spain
Greenhouse Gas Protocol Framework
The regulation requires the use of the GHG Protocol framework, ensuring consistency with international standards and the use of emission factors published by MITECO. This approach allows for international comparability and adaptation to the Spanish context.
Organizations must structure their emissions data according to the three-scope model:
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direct emissions from own sources,
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indirect emissions from purchased energy,
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and other indirect emissions along the value chain.
Alignment with European Sustainability Reporting Standards
The CNMV and ICAC have supported the preparation of sustainability information in accordance with ESRS as an approach aligned with the future full application of the CSRD. Therefore, using an ESRS-compatible reporting structure now facilitates regulatory transition.
Specialized training also naturally fits here: ESG Strategy and EU CSRD Reporting can help convert these technical requirements into a practical implementation roadmap.
Penalties and consequences of non-compliance
Exclusion from public procurement
Unlike other merely voluntary ESG initiatives, this decree has real legal consequences. Non-compliance can prevent a company from participating in public tenders, directly affecting access to business.
Administrative enforcement
Furthermore, not including the required information in the non-financial or sustainability report and not publishing it correctly on time can lead to administrative actions under the applicable legal framework.
Reputational and financial risks
Beyond formal sanctions, non-compliance damages corporate reputation, limits access to sustainable financing, and reduces competitiveness in a market increasingly oriented towards ESG criteria.
Strategic opportunities: turning compliance into a competitive advantage
Access to green finance
Transparent and verifiable carbon reports are becoming a gateway to green financing. The quality of ESG data and the credibility of the reduction plan can improve access to capital and strengthen the trust of investors and financiers.
Market positioning and climate leadership
Companies that anticipate and develop solid transition plans can turn regulatory pressure into a leadership opportunity. Instead of treating compliance as an isolated burden, they can integrate it into their corporate strategy and demonstrate maturity to clients, regulators, and partners.
Advantages in the supply chain
The evolution of Scope 3 will force many organizations to work more closely with suppliers, collect better data, and establish more robust sustainability governance. While demanding, this also strengthens the resilience and transparency of the value chain.
Practical steps to achieve CSRD Spain 2026 compliance
Step 1: Determine your compliance status
Assess whether your company falls within the scope of application according to the criteria of Law 11/2018 and Royal Decree 214/2025.
Step 2: Build your carbon inventory
Start measuring Scope 1 and 2 emissions for 2025 now. Also, begin preparing the groundwork for Scope 3, even if it is not yet mandatory in all cases.
Step 3: Develop your reduction plan
Prepare a five-year reduction plan with quantified objectives, concrete measures, and a monitoring system.
Step 4: Strengthen governance and systems
The board, management, and technical teams must ensure that adequate structures, responsibilities, and internal controls are in place to sustain compliance.
Step 5: Leverage technological solutions
ESG and carbon accounting platforms can automate data collection, facilitate reporting, and generate documentation prepared for verification and audit.
Step 6: Consider external verification
Even when not mandatory, external verification improves the credibility of the report to investors, authorities, and other stakeholders.
The broader European context: understanding the 2026 regulatory landscape
Companies with operations in several European countries must understand that the Spanish approach coexists with an evolving European sustainability framework. The simplification and recalibration of scope in the EU does not eliminate the need for preparation in Spain, especially where national obligations are already in force.
Conclusion: act now on CSRD Spain 2026 compliance
Spain's ambitious approach to ESG reporting and carbon accountability represents both a regulatory requirement and a strategic opportunity. Companies that act early will avoid last-minute pressure, be better prepared for future verifications, and demonstrate climate leadership to clients, investors, and administrations.
The message is clear: preparation for CSRD Spain 2026 compliance must begin immediately. With Royal Decree 214/2025 already in force and the first reports due in 2026 on 2025 data, there is no room for improvisation. If your organization wants to move forward with a structured roadmap, it can rely on specialized resources such as ESG Strategy and EU CSRD Reporting to transform compliance into a competitive advantage.
