Iberdrola drives forward energy storage with Spain’s largest battery project

Iberdrola España, the Iberdrola Group’s subsidiary in Spain, has inaugurated the country’s largest energy storage battery at the Campo Arañuelo solar complex in Cáceres. With 58 MW of power and 120 MWh of storage capacity, the project marks another step forward in the company’s commitment to energy storage as a key pillar of electrification and renewable integration.

The facility includes two LFP lithium-ion battery systems, each with a capacity of around 60 MWh, connected to the Campo Arañuelo I and II solar plants. The batteries will store renewable energy generated by the plants and release it when demand is highest, helping to improve grid stability and accelerate the integration of new demand linked to electrification.

With this project, Iberdrola España further strengthens its position as a leader in battery storage in Spain, where it already operates around 200 MW. The company has been investing in storage technology for years as a vital complement to renewable energy, helping to build a more resilient and flexible electricity system capable of meeting future demand.

The full story is available on the Iberdrola España Media Room.