View the documentation regarding self-supply, and some links that may also be of interest.

Technical information
LV Self-consumption
Document available in Spanish. Last updated: 09/07/2020
Summary of CNMC types, measuring schemes and connection schemes

Anti-discharge and investor mechanisms
Document available in Spanish. Last updated: 15/05/2021
Do you have an investor or anti-discharge mechanism?
Send us their certificates or test reports and we will verify that they meet the requirements to include them in our equipment list.
You may also be interested in
Generate your Self-supply Code (CAU)
Check if your installation will need access and connection by answering some simple questions, and get your Self-Supply Code (CAU).
Applicable regulations (in Spanish)
RD 244/2019 regulating the administrative, technical and financial conditions of electricity self-consumption (BOE).
RDL 15/2018 on urgent measures for the energy transition and the protection of consumers (BOE).