Spain’s Fundación Ciudad de la Energía (Ciuden), a government energy research foundation, has completed operational testing of a 1 MW/8 MWh vanadium redox flow battery (VRFB) system at its Cubillos del Sil technology center, which it says is the largest vanadium flow battery in Europe dedicated to applied research. March 23, 2026 Pilar Sánchez Molina Image: Ciuden From pv magazine Spain Ciuden, a body under Spain’s Ministry for Ecological Transition and the Demographic Challenge, has...

The “Battery Atlas 2026” report shows consolidation in Europe’s battery market. More than 2,000 GWh of cell production capacity was announced in 2023, but the realistic forecast for early 2026 is around 1,190 GWh, including approximately 673 GWh led by Asian companies. March 9, 2026 Pilar Sánchez Molina Image: RWTH Aachen University From ESS News RWTH Aachen University has published the third edition of the “Battery Atlas 2026,” produced by the Production Engineering of E-Mobility Com...

SolarPower Europe has released new technical due diligence guidelines for utility-scale solar-plus-storage projects, covering risk, engineering and lifecycle standards for co-located PV and battery systems. February 25, 2026 Pilar Sánchez Molina Image: Sungrow SolarPower Europe has published two reports aimed at strengthening best practices for large-scale hybrid projects combining photovoltaics and battery energy storage systems. The association said the documents provide a framework for due d...

Basquevolt and Bcare have successfully developed and integrated the first solid-state cells into a module for stationary applications, accomplishing this within the Iberdrola-led ASTRA-CC project (2023–2025). January 15, 2026 Pilar Sánchez Molina From pv magazine Spain and ESS News Basquevolt, the Basque solid-state battery initiative whose shareholders include the Basque Government, Iberdrola, CIE Automotive, Enagás, EIT InnoEnergy, CDTI (through Innvierte), and CIC energiGUNE, announced th...

Portugal’s first heat-as-a-service agreement combines a 7 MW solar plant and a 100 MWh thermal battery to provide continuous, zero-emission steam for industrial use, according to Rondo Energy and Energias de Portugal (EDP). November 4, 2025 Pilar Sánchez Molina Image: Rondo Energy From pv magazine Spain Central de Cervejas e Bebidas, the brewery and malt house owned by Heineken Group in Portugal, has signed an agreement with US manufacturer Rondo Energy and Portuguese utility EDP to install a...

California has completed the 1.6 MW Nexus canal-top solar pilot, adding a 75 kW iron-flow battery system as part of a $20 million state-funded project to test water and energy benefits. September 15, 2025 Pilar Sánchez Molina...

Spanish company CYMI has completed operational testing of a 5.8 MWh sodium‑sulfur (NaS) battery at the City of Energy Foundation’s (CIUDEN) Integra2H2 project, integrated with a 2.1 MW solar plant and two electrolyzers to produce green hydrogen. August 20, 2025 Pilar Sánchez Molina Image: Ciuden From ESS News Spanish company CYMI (Control y Montajes Industriales, of the COBRA IS group) has completed operational testing of the sodium-sulfur (NaS) energy storage facility which is part of...