Regulation
Complete guide to the CAE system in Spain 2025
Everything you need to know about Certificados de Ahorro Energetico: regulation, stakeholders, process and opportunities.
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Technical articles on the CAE system.
Regulation, standardized files, market, ENAC verification and operational strategy for delegated subjects.
Datasheets
How to calculate CAE with the IND050 datasheet - step-by-step guide
Detailed explanation of the energy saving calculation for LED lighting replacement in industry.
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How to become a CAE delegated subject: requirements and process
Complete guide to the accreditation process as a delegated subject with the MITECO.
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Which CAE datasheets generate the most MWh in 2025
Analysis of the standardised datasheets with the greatest potential to generate certificates.
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CAE prices in Spain: trends and forecasts
Current state of the certificate market, price range and short-term outlook.
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ENAC verification of CAE files: complete process and requirements
Detailed guide to the ENAC verification process for CAE files: what the verifier reviews, common mistakes, and how to prepare a file that passes on the first attempt.
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Datasheet IND240: calculating energy savings with variable speed drives
Complete technical guide to datasheet IND240 of the MITECO catalogue: formula, parameters, calculation example and required documentation for variable speed drives.
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TER040 datasheet: heat pump for tertiary climate control - complete CAE guide
Everything about the TER040 datasheet: replacing a climate control generator with a heat pump in a tertiary building. Formula, SCOP/SEER parameters and a worked calculation.
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D1 to D5 documentation for CAE files: complete guide with examples
What to include in each document of the CAE file (D1 to D5), mistakes to avoid and how to prepare a complete file for the ENAC verifier.
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Energy saving obligation in Spain 2025-2026: figures, players and opportunities
Analysis of the energy saving obligation imposed on obligated parties in 2025 and 2026, and the opportunities it creates for delegated subjects.
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CAE in the hotel sector: applicable datasheets and energy saving strategy
Which CAE datasheets to apply in hotels, what savings to expect and how to build a profitable portfolio of hotel projects for delegated subjects.
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CAE file management: Excel versus a specialised SaaS platform
Detailed comparison between the manual management of CAE files using spreadsheets and the use of a dedicated SaaS platform. Errors, timelines and costs.
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How to maximise the value of your CAE portfolio: a strategic guide for delegated subjects
Proven strategies to increase the volume of CAE generated, improve negotiation prices and optimise profitability as a delegated subject.
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IND090 datasheet: replacing a compressed air compressor - CAE calculation and documentation
Technical guide to the IND090 datasheet: calculation formula, parameters, worked example and documentation for replacing compressed air compressors.
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10 mistakes that invalidate a CAE file before the ENAC verifier
The most common mistakes that cause CAE files to be rejected or returned by the ENAC verifier, and how to avoid them.
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The CAE market in Spain in 2026: trends, prices and opportunities
Analysis of CAE market trends for 2026: price evolution, increased obligation, new players and strategic opportunities.
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How to prepare a CAE file compliant with RD 36/2023 - Complete guide 2025
Step-by-step guide to preparing a valid CAE file: Commitment Act, 9 documents, 30 MWh threshold, S1 form and MITECO naming convention.
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The Commitment Act in the CAE system: everything you need to know
The Commitment Act must be signed BEFORE work begins (article 8 RD 36/2023). A complete guide on what it is, what it must contain and how to register it.
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The ENAC verifier in the CAE system: process and required documentation
What an ENAC verifier is, what documentation it needs, how the Dictamen Favorable works and what to do if the verified energy saving differs from the calculated one.
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How to monetise Certificados de Ahorro Energetico as an installer
A practical guide for installers: what CAE are, how much you can earn, and how to build your first file in compliance with RD 36/2023.
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CAE file management software for companies
Analysis of the tools available to manage CAE files in Spain. Which features are essential and how to choose.
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How to calculate energy saving with the IDAE datasheets
Step-by-step tutorial to calculate energy saving using the standardised IDAE datasheets. Examples with IND050, RES080 and TER030.
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