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.

This preliminary report presents the provisional statistics regarding the behaviour of the Spanish electricity system during 2019. Close of year conducted with estimated data as at 10 January 2020.

This Preliminary report - Forecasting data presents the provisional statistics regarding the behaviour of the Spanish electricity system during 2019. Information prepared using data as at 12 December 2019.

This publication annually presents the main statistics prepared by Red Eléctrica de España on the Spanish electricity system

The interest in the evolution of renewable generation and our commitment to be a benchmark regarding statistical information on electricity in Spain has prompted us, for the third consecutive year, to present this report on “Renewable energies in the Spanish electricity system”, which presents a high-level overview of the behaviour of renewable energy in Spain in 2018, as well as how it has evolved over recent years.

Red Eléctrica has published the second edition of the ‘Renewable energy in the Spanish electricity system’ report, which presents a high-level overview of the behaviour and contribution of renewable energy in Spain in 2017, as well as how it has evolved over recent years.

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.

Red Eléctrica brings together on this page the statistics regarding the Spanish electricity system since records began.