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BESS Lezama

A battery installation of 17.6 MW and 66.9 MWh in Lezama, Bizkaia, authorised to build. Every fact below is taken from the latest act in the regional gazette of the Basque Country that states it, and every act is linked.

In the gazette

Battery power17.6 MW
Storage66.9 MWh
Hours at full power3.8
PromoterBESS Development 4, S.L.
ConfigurationStand-alone
MunicipalityLezama
ProvinceBizkaia
Step reachedAuthorised to build

Every act, oldest first

PublishedWhat the act doesAuthorityAct
17 Feb 2025Environmental decision; 20 MW, 59.2 MWhIndustria, Transición Energética y SostenibilidadBOPV-2025-02-768
13 Aug 2025Environmental decision; 17.6 MW, 66.9 MWhIndustria, Transición Energética y SostenibilidadBOPV-2025-08-3556
8 Jan 2026Authorisation to build (autorización administrativa de construcción); 17.6 MW, 66.9 MWhIndustria, Transición Energética y SostenibilidadBOPV-2026-01-80

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 the Basque Country, read 26 to 27 October 2026; only facts are taken from it, and each act is linked.

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