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What documentation do you need to process your electricity self-consumption installation?

The procedures and documentation required to be able to start with electricity self-consumption greatly simplified with the latest changes in regulations.

We would like to explain the entire procedure to avoid unnecessary costs and not to incur administrative problems that could lead to delays in implementation.

 

Types of photovoltaic installations for self-consumption

One of the factors that will have the greatest impact on the type of documents you will need to process an electricity self-consumption systems is the size and type of installation:

  • Domestic installations for private self-consumption, without feeding surpluses into the grid.
  • Domestic installations that feed surplus electricity into the grid.
  • Self-consumption photovoltaic systems shared between a number of consumers.

The documentation and procedures required for self-consumption will also depend on the power in kW that the self-consumption installation is capable of generating. If the power generated is less than 10kW the formalities are greatly simplified: This is the most common case for domestic installations and this is where we will focus our attention.

 

Documentation for self-consumption installations generating less than 10kW

Documents are presented in two phases: The first phase is prior to the installation of self-consumption system and the other is afterwards. Endesa will point out the advantages and requirements for photovoltaic self-consumption installations.

Documents prior to the installation of the photovoltaic system:

Document
Where to obtain it
Building permit
Twon Hall
Environmental authorisation Regional Ministry of the Autonomous Community
Self-consumption code* (UCC) Electricity distribution company

*In the event that your installation is on land that has not been urbanised, you will need to request authorisation for access and connection. In that case, the distributor will provide you with the UCC when you start this procedure.

Documentation required on completion of the self-consumption installation:

Documents
Where to obtain it
Activity licence
Local authority 
Electrical Installation Certificate
Regional Ministry of the Autonomous Community
Distribution agreement (for shared self-consumption)
See Annex V. Documentation Models in the Guide to Self-Consumption published by the IDAE (Institute for Diversification and Saving of Energy)
Registration or modification of the supply contract, the access contract and the connection contract
Electricity Company contracted
Contract for the Remuneration of Surplus between the producer and the associated
consumer

Endesa has launched a programme to help and advise those users who are interested in investing in a self-consumption installation using solar panels.

We will take care of all the documentation and procedures required to install and initiate your electricity self-consumption system.

Step by step procedures for the installation of self-consumption

Building permit and environmental authorisation:

When undertaking any installation of solar panels or electricity self-consumption system you need to complete the procedures and present this documentation correctly to both the Local Authority and the Regional Government.

Self-consumption installations should apply for a building permit in accordance with the municipal regulations in force at the chosen site: Municipal regulations will define whether it is sufficient to simply make a responsible declaration and/or prior communication of the building work.

Self-consumption installations with surpluses and producing less than 100 kW should not require environmental impact or public utility procedures, except in cases where the site is in a protected area.

 

Electricity self-consumption code (CAU):

The self-consumption code will identify the self-consumption installation, as it relates all the associated consumption and generation points. It is a numerical code that identifies your installation and is provided by the electricity distributor for you or your representative (installer, developer of the self-consumption installation).

This number will need to be given to the Regional Administration when you process the self-consumption installation.

 

Adaptation of the access contract with the distribution company:

Finally, when you receive our letter with the data provided by your regional authority regarding your self-consumption installation, you must confirm within ten working days that they are correct and contract the product that best suits your needs. In turn, we will take the necessary steps with the distribution company to modify your access contract to reflect the type of self-consumption you are using and thus comply with current regulations.

 

Electrical installation certificate:

The Electrical Installation Certificate, or CIE, is a document that certifies the safety and good condition of the self-consumption installation. This documentation is necessary to register or modify your electricity supply contract to adapt it to the type of electricity self-consumption you have chosen.

 

Characteristics of the Electrical Installation Certificate (C.I.E. in Spanish)

The C.I.E. includes all the characteristics of the electrical installation.

  • Registration number and file number.
  • Data for the holder of the installation: name, ID number, address and post code.
  • Data for the installation: Location, town/city, type of installation, use for which it is intended and surface area in m2.
  • The general characteristics of the installation: Protection, power supply, planned or installed power, insulation, type of supply and voltage.
  • And the verification and inspection of the installation: Name of the construction manager, collegiate number, authorised control body that made the inspection, authorised installer and holder of the Individual Qualification Certificate (CCI in Spanish).

The C.I.E. should be duly signed by the holder of the CCI and stamped by the Authorised Installer.

Contract for Remuneration of Surplus

This is signed by the producer and the associated consumer under the modality of self-consumption with surpluses subject to remuneration, in order to establish a simplified remuneration mechanism between the deficits in consumption and all surpluses for the associated generation installations. This is essential to be able to complete the procedures for photovoltaic installation for self-consumption.

The contract for the remuneration of surpluses in the case of shared self-consumption will use the criteria for distribution. This will not need to be submitted in the case of shared consumption without surpluses, the marketer will simply need a distribution agreement.

 

Characteristics of the Contract for Remuneration of Surpluses

This document brings together:

  • The electricity producer: Company name and Tax ID.
  • The holder of the electricity production installation for the surplus modality eligible for compensation (hereinafter the producer): CIL number of the generating installation, full address.
  • And the contract holder (hereinafter the consumer): CUPS for the supply contract and full address.

It features maintaining the agreement between the parties by means of a number of previously stipulated clauses.

It should be signed by the associated producer (who will be responsible as the holder of the installation) and the associated consumer (the final consumer at the supply point).

 

Allocation agreement and file of allocation coefficients

If you are part of a collective self-consumption system, all participating consumers who are associated with the same generation installation must belong to the same self-consumption mode and agree on the system for sharing the energy produced by the self-consumption installation. All of the above will be reflected in two documents:

  • Distribution agreement: signed by all consumer partners.
  • File of distribution coefficients: there is the possibility that the distribution of generation is made according to coefficients that can be static (fixed throughout the year) or dynamic (variable at each hour of the year). For more information on how to submit the file, please consult TED Order 1247/2019.

As an associated consumer, you will have to contact the supply company and send both documents, in addition to the CIE for the installation, so that they can proceed to adapt your supply contract.

A model of this agreement may be found in the IDEA Guide to Self-Consumption.

 

Characteristics of a Distribution Agreement

The agreement for the distribution of collective self-consumption energy for installations with surpluses eligible for compensation, includes the association of the different consumers to the self-consumption installation.

It features the following:

  • It includes the Self-Consumption Code (CAU in Spanish) for the installation.
  • The Tax ID, the CUPS and the Distribution Coefficient for each associated consumer (holder of each supply). The value of these coefficients is established on the basis of the power to be invoiced by each of the associated consumers participating in the agreement, the economic contribution for the generation installation or any other criteria, provided there is an agreement signed by all the participants and provided the sum of all the coefficients of the participating consumers is the unit for each hour of the invoicing period.
  • The Tax ID, the CIL and the Coefficient of the holder of the generation installation. If there are a number of producers with generation installations associated with the self-consumption, this should be filled in for each of them.

The document should be signed by all the associated consumers and producers.

 

Documentation and procedures required for self-consumption by Autonomous Community

There are minor differences in the documentary requirements for applying for electricity self-consumption depending on the region where you want to install the system:

 

Documentary requirements by location

Autonomous Community

Installation requirements

Catalonia

No documentation on individual self-consumption.

Balearic Islands

Generation CIE and Proof of Registration in the Self-consumption Register

Aragon, Canary Islands, Andalusia and Extremadura

Stamped Generation CIE

Other Autonomous Communities

Generation CIE

Wherever you live, we will manage all the paperwork and documentation for you. Start enjoying electricity self-consumption to help the environment and save on your electricity bill:

I have submitted the documents in my Autonomous Community. Do I have to send them to Endesa, too?

Yes, but there is a way to avoid doing it all again and forget all about it. Just leave the formalities to us by using our Comprehensive Solution and we will take care of everything.

 

I have received the documentation, what do I do now?

You have to register your self-consumption installation. To do this, send us the necessary documentation and sign up for Simply Solar.

FAQs regarding self-consumption documents and procedures

To install solar panels at home you will need to present certain documentation to obtain the required permits. There are two phases, one before and one after installation:

Preliminary phase

  • Building permit.
  • Environmental authorisation.
  • Electricity self-consumption code.

Secondary phase

  • Activity licence.
  • Electrical installation certificate.
  • Distribution agreement.

Endesa will take care of obtaining all the necessary documentation and completing the mandatory procedures for your comfort and peace of mind.

To register a photovoltaic installation, you need to contract a solar self-consumption tariff and send all the documentation to your reference retailer.

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