• Redeia’s grid operator Red Eléctrica set out measures to cut the use and cost of technical constraints while maintaining renewable integration.
• Technical-constraints cost rose structurally from EUR 724 million in 2021 to EUR 3.35 billion in 2025, driven by system transformation.
• In 2025, constraint-scheduled energy rose 47% while total cost climbed 63%; average paid price hit EUR 165/MWh versus EUR 65.26/MWh market.
• Red Eléctrica urged regulatory changes to reduce required constraint energy, push more competitive bidding, since it does not set constraint prices.
• Network investments could cut constraints cost about 15%; 26 GW provides voltage-control service, including 11 GW renewables, with only 17% enabled.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Redeia Corporación SA published the original content used to generate this news brief on July 23, 2026, and is solely responsible for the information contained therein.