Energy Saving Certificate (ESC) System

Turn your energy savings into income
Sign up now!

Did you know that your energy reforms can generate income for you?

If you completed a project, some refurbishment work or an installation in 2023 or you’ve done so since then, you can certify your activity and recover part of the money you’ve invested through the ESC system.

Earn extra income

Reduce your energy costs

Reduce your environmental impact

Enhance your reputation and brand value

The ESC System process

Effic, as the delegated party, manages and applies for the ESC to enable you to obtain an economic benefit in a simple and secure manner.

Explanatory DiagramExplanatory Diagram

What are the steps to be taken to monetise energy savings?

Effic takes care of the entire process. All you have to do is sign the ESC agreement and provide us with the documentation.

Do you have any queries?
Sign the ESC agreement with us
Start the process by signing the ESC agreement with us. This agreement sets out the terms for the monetisation of your energy savings
Send the documentation
Provide the required documentation, such as the installation certificate and the technical report.
Verification of the energy savings
We perform a thorough verification of the energy efficiency measures implemented to confirm their effectiveness.
CAE request
Effic, acting as a delegated entity, requests the issuance of CAE certificates based on the quantified energy savings that validate it.
Monetisation of the savings
Once the ESC has been obtained, we’ll compensate you financially in keeping with the energy savings achieved.

Do you want to be the next one?

The relationship with Effic has been cordial, fluid, and above all practical. To the extent that I have recommended Effic to carry out the rehabilitation of the building where I live.
Paco replaced the central domestic hot water boiler with an aerothermal system and generated an energy saving of 179 MWh/year. Thanks to the CAE system, he managed to recover 22.3% of the initial investment.

PacoOwner of a building with 77 apartments in Madrid
We chose Effic because they understood us very well from the beginning... everything, from what was proposed to us initially to contracts and everything, they have fulfilled everything we have asked of them.
The community renovated the SATE facade and installed individual heat pumps, generating an energy saving of 943 MWh/year. Thanks to the CAE system, she managed to recover 7.27% of the initial investment.

LauraPresident of a community building with 92 apartments in Madrid
I was worried that improving the energy efficiency of the building I live in would be an overwhelming task. But the EFFIC team made the whole process incredibly simple. From the initial assessment to proposing solutions, each step was handled professionally and without complications.
His company replaced the industrial warehouse lighting and generated an energy saving of 216 MWh/year. Thanks to the CAE system, he managed to recover 30.8% of the initial investment.

Jose LuisCompany director in Málaga
The Effic team not only brought technical expertise and knowledge but also made an effort to demonstrate to us why this rehabilitation was essential for our building and our future. They responded to all our questions and provided us with solid evidence of the benefits we would obtain.
Her company replaced the central heating boiler with a central aerothermal heating system in cascade and generated an energy saving of 404 MWh/year. Thanks to the CAE system, she managed to recover 14.1% of the initial investment.

LucíaRetail business owner in Barcelona

Why choose our company?

Effic, as a delegated party approved by the Ministry, provides you with the guarantees to transform your energy rehabilitation project into a worry-free experience with profitable results.

  • Comprehensive service

    As leaders in the rehabilitation of buildings in Spain, our services range from the initial study to the management of the ESC and the search for subsidies.

  • Tailored financing

    We help you obtain flexible financing with competitive conditions and up to 24 months of grace period.

  • Validated quality

    AENOR’s certificates endorse our quality and energy management. Approved by the MITECO to certify energy savings.

  • Experience and scope

    With over 20 years and 50,000+ projects in 3,000+ municipalities, we offer unmatched solvency and reach.

We are leaders in real estate renovation management

We’re your trusted manager

AENOR Quality Management System Certificate

We run a quality management system in accordance with the ISO 9001:20215 Standard. ER-0080/2024

Aenor logoIqnet logo

AENOR Energy Management System Certificate

We run an energy management system in accordance with the UNE-ISO 50001:2018 Standard. GE-2024/0010

Aenor logo

Approval delegated party by the Ministry for the Ecological Transition and the Demographic Challenge (MITECO)

To certify the energy savings generated by means of the ESC System

Ministry for the Ecological Transition Logo

Contact us to obtain personalised help

We’ll call youLeave us your details and we’ll get in touch with you as soon as possible to answer your questions and help you with whatever you need.*Mandatory data
Call usWe’ll be happy to take your call on 900 92 30 30 from 9 am to 6 pm from Monday to Thursday or from 9 am to 2 pm on Friday.

Write us an e-mailSend an e-mail to and we’ll get back to you as soon as possible to help you with whatever you need.

Frequently Asked Questions

To obtain further details, you can visit the Ministry’s frequently asked questions page.

Turn energy savings into income
Get yours now!