Author
Pilar Sanchez Molina
Pilar worked as managing editor for an international solar magazine, in addition to editing books, primarily in the fields of literature and art. She joined pv magazine in May 2017, where she manages the Spanish newsletter and website and helps write and edit articles for the daily news section in Latin America.
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Articles written by Pilar Sanchez Molina
Industry groups call on the EU to adopt a framework for long-duration energy storage
LDES technologies, which include pumped hydropower, compressed air, flow batteries, thermal storage, and electricity-to-gas conversion pathways, can store energy for several hours, days, or even seasons.
Jan 26, 2026
Battery storage in Spain becomes unviable beyond 32 GWh of cumulative capacity, study finds
Scientists from the University of Seville have developed real-time optimization models showing that electricity storage in Spain may be approaching its economic limit, with cumulative capacities above 32 GWh depressing prices and undermining project profitability.
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Spain publishes new network access rules, redefining connection of demand and storage
The National Commission of Markets and Competition (CNMC) will set access capacity, short-circuit limits, and monthly maps from February 2026. Meanwhile, the Ministry for the Ecological Transition (MITECO) has published guidance on calculating installed capacity for administrative authorizations, addressing both standalone and hybrid battery energy storage systems under the new Royal Decree 997/2025.
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