Discover what Red Eléctrica is, what we do, and why we are the backbone of the electricity system in Spain and the ecological transition.
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.
Data tables | Excel files |
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Ancillary Services. Preliminary Report 2019. Available in Spanish | XLSX, 413 KB |