Portugal's government has announced the outcome of an energy storage tender that will see the installation of 500 MW of energy storage capacity to support the country's energy transition.
Why is Portugal launching a solar energy storage project?
This initiative aims to enhance the flexibility and stability of Portugal's power supply system amid its record-breaking solar electricity production. On July 31, the ministry announced the allocation of €99.75 million through a call for tenders to install energy storage projects totaling 500 MW.
What is the biggest energy storage grant in Portugal?
The biggest grant was awarded to Solara4Phase4 to the tune of EUR 16.4 million. A total of 43 projects were selected from 79 applications in Portugal's 2025 energy storage procurement. This included six projects from Spain's Iberdrola, which secured nearly EUR 20 million in public funding.
This included six projects from Spain's Iberdrola, which secured nearly EUR 20 million in public funding. Portugal's Ministry of Energy has announced that it has allocated EUR 100 million ($104.2 million) to 43 energy storage projects which should be installed by the end of 2025.
Does Portugal support battery energy storage projects?
Portugal has awarded grant support to around 500MW of battery energy storage system (BESS) projects, using EU Recovery and Resilience Plan (RRP) funding, a bloc-wide scheme that has supported energy storage across the continent.
The Portuguese Ministry of Energy has allocated €100 million for grid flexibility and energy storage projects to be completed by the end of 2025. This initiative aims to enhance the flexibility and stability of Portugal's power supply system amid its record-breaking solar electricity production.
A total of 43 projects were selected from 79 applications in Portugal's 2025 energy storage procurement. The biggest grant was awarded to Solara4Phase4 to the tune of EUR 16.4 million. A total of 43 projects were selected from 79 applications in Portugal's 2025 energy storage procurement.