Why Cidetec?

CIDETEC Energy Storage

We are a research and development organization specializing in advanced battery technologies, designing, developing and testing the batteries of the future for 25 years.

Our activity covers the entire value chain from battery chemistry to final application. We design and develop cells, modules and battery packs tailored to our customers’ needs, with a clear commitment towards technology transfer to industry.

We work in direct collaboration with leading national and international companies, including light and heavy vehicle manufacturers, the aerospace industry, battery manufacturers, energy companies and infrastructure operators.

We have unique capabilities in Europe to test and characterize batteries, model and predict their duration with specific usage profiles, as well as to adequately size different systems, offering technological services for material validation, pilot plant manufacturing, battery engineering and testing.


At CIDETEC Energy Storage, we are committed to generating high-added value knowledge and transferring it to industry. We help create employment and wealth in our local environment, developing efficient energy technologies focused on renewable energies and sustainability.

Our strategy includes collaborating with leading technology and industrial partners to maximise the impact of our research.

researchers in batteries as a whole.
chemists and electrochemists in our Energy Materials Unit.
engineers in our Energy Storage Systems Unit.

A major player in energy storage

CIDETEC Energy Storage has its headquarters in Gipuzkoa Technology Park, in Donostia-San Sebastian, where most of its staff, laboratories and unique equipment are located.
Our facilities are supplemented by a second site in MUBIL Electromobility Hub in Tolosa, where the extension to our Battery Test Laboratory is located.

Visit our facilities

We are part of a great technological complex made up of three leading international institutes in energy storage,surface engineering and nanomedicine

Cidetec Global Figures

260 Clients engaged in R&D in 2022
260 People in workforce
8 Spin-offs
82 H2020 & HEU Projects
32 Active patent families
20 Thesis in progress

An active member within the EU battery community


CIDETEC is an active member of the most important European stakeholder battery initiatives, often taking up representative roles. This approach allows us to stay at the forefront of key technological innovations, policies and trends to come, nurture high added value contacts within the industry and academia and contribute to general EU goals from our experience and background.