This publication incorporates the most relevant data regarding those services that are necessary to ensure the quality, reliability and security conditions of the electricity supply. Ancilliary services are understood as the resolution of technical constraints, complementary services and deviation management.

Go to Sustainability Report 2018

Sustainability Report provides relevant information about strategy, corporate governance, business development, results and objectives of sustainable management in fiscal year 2018.

Go to the report

Sustainability Report provides relevant information about strategy, corporate governance, business development, results and objectives of sustainable management in fiscal year 2017.

This publication incorporates the most relevant data regarding those services that are necessary to ensure the quality, reliability and security conditions of the electricity supply. Ancilliary services are understood as the resolution of technical constraints, complementary services and deviation management.