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September 6, 2021updated 09 Sep 2021 7:35am

Azores Terceira Battery Energy Storage System, Portugal

By Carmen

The Azores Terceira Battery Energy Storage System is a 15,000kW energy storage project located in Terceira, Azores, Portugal.

The project will be commissioned in 2021.


The key applications of the project are frequency regulation and voltage control, spinning reserve and store surplus renewable energy.

Contractors involved

Fluence Energy is the technology provider for the project.

Additional information

Installed alongside hydroelectric, wind and geothermal energy resources the battery storage system will perform frequency regulation and voltage control for the grid, provide spinning reserve and store surplus renewable energy.

Siemens Smart Infrastructure and Fluence have been awarded a contract by the Portuguese energy provider EDA – Electricidade dos Açores to build a battery-based energy storage system on Terceira.


All publicly-announced energy storage projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects are sourced through secondary information sources such as country specific power players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.

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