Vitreous LabsEnergy transparency

BESS Maruca 1

A battery installation of 9 MW and 40.3 MWh in Avilés, Asturias, first authorisation. Every fact below is taken from the latest act in the regional gazette of Asturias that states it, and every act is linked.

In the gazette

Battery power9 MW net, 10.1 MW installed; the net figure from : “”
Storage40.3 MWh
Hours at full power4.5
PromoterEFM Solar 42, S. L.
ConfigurationStand-alone
MunicipalityAvilés
ProvinceAsturias
Step reachedFirst authorisation

Every act, oldest first

PublishedWhat the act doesAuthorityAct
3 Aug 2026First authorisation (autorización administrativa previa); 9 MW, 40.3 MWhConsejería de Ciencia, Industria y EmpleoBOPA-2026-06379

Each act was read in full and every figure checked against the act’s own words. Where acts differ, the latest act that authorises the installation gives the figure above. Source: the regional gazette of Asturias, read 26 to 27 October 2026; only facts are taken from it, and each act is linked.

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