Royal Decree of self-consumption

Real Decreto Autoconsumo

Royal Decree 244/2019, of April 5 was approved 

As already known at the beginning of April, the new Royal Decree that regulates self-consumption came into force.


 What is self-consumption?

Before analyzing what the new measures established by this Royal Decree have been, we find it interesting to make clear what self-consumption is.

According to article 9 of Law 24/2013, of December 26, self-consumption was defined as a consumption, of one or several people, of energy coming from production facilities close to the consumption zone.


What are the main novelties of this Royal Decree?

● Presents a new distribution of the modalities that existed, that is, before they were classified into 4 modalities, and currently we will only find 2.

● Simplifies administrative procedures.

● There is the possibility of having shared self-consumption.

● The limitation of not being able to exceed the power contracted in solar panels has been eliminated.


Next we will explain better each of these novelties.



 As already mentioned above, from now on two types of self-consumption will be established: No surpluses and surpluses.

● Self-consumption without surpluses: this modality corresponds to the one defined in article 9.1 a) of Law 24/2013, of December 26. For this case, an antifog mechanism (1) must be installed to prevent the introduction of surplus energy into the transport network (2) or distribution (3).

● Self-consumption with surpluses: this modality, like the previous one corresponds to the Law of 24/2013, of December 26, but in this it would be regulated in article 9.1 b). In this case, the facilities will be able to supply energy for self-consumption, but not only that, but they will also be able to supply surplus energy in the transport and distribution networks. This modality is divided into:

○ Modality with surpluses accepted for compensation: in this modality we will find cases in which the consumer and the producer decide to avail themselves of a surplus compensation mechanism, that is, this modality will be compensated in the bill for the electrical energy that has been poured to network. In order for this modality to be carried out, the following conditions must be met:

1. The source of primary energy must be of renewable origin.

2. The total power of the production facilities cannot exceed 100 kW.

3. The consumer and the producer have registered a compensation contract for surplus of self-consumption.

○ Modality with surpluses not accepted for compensation: in this modality all those cases that do not comply with the requirements to belong to the modality with surpluses receiving compensation will be found, that is, we will find facilities that are greater than 100 kW and in which the surpluses are going to be overturned in the network but in the form of sale.



The administrative procedures that were necessary for the legalization of the facilities have been simplified. At present, installations without surpluses of less than 100 KW and installations with surpluses of less than 15 KW are legalized with a bulletin, but for this it must be declared that they comply with the low voltage regulation.



It is one of the main novelties in this Royal Decree. This shared self-consumption allows the same installation to supply energy to different users. So this type of installation is very useful for neighborhood communities for example.

Before this Royal Decree came into effect, this situation was not possible, since self-consumption facilities could only be used individually.



 This limitation that existed before and in which it was established that the power contracted in solar panels could not be exceeded, has been eliminated by the new Royal Decree and now we can install more watts in the solar panels than we have contracted, and it also fits the possibility of being able to reduce these watts at any time.


To better understand the changes of the new Royal Decree, we invite you to read the key photovoltaic self-consumption of 2018.


1. Anti-drift mechanism: it is a device that avoids the discharge of electrical energy to the network at all times.

2. Transport network: it consists of lines, substations, transformers and electrical elements with voltages equal to or greater than 220 kV. This group also includes other facilities, without taking into account their voltage, which fulfill transport functions or international interconnections.

3. Distribution network: like the transport network, it consists of lines, substations, transformers and electrical elements, but in this case the voltages are less than 220 kV.


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