The role of BESS in the Greek power market
Greece procures approximately 600 MW daily, progressively integrating into the EU MARI platform from 2025. Eligible BESS units provide fast response, sustained delivery,
Over the past five years, Greece has been steadily refining its energy storage policies, recognising BESS as a critical solution to increasing grid imbalances between supply and demand.
In 2025, Greece has accelerated its plans for utility-scale Battery Energy Storage Systems (BESS), signalling a shift in policy, financing, and market expectations. However, while the scale of ambition is high, there are several tensions emerging—especially around the move toward unsponsored (merchant) projects.
Greece has initiated a series of competitive tenders to bolster its energy storage infrastructure, aiming to integrate significant battery energy storage systems (BESS) into its electricity grid. These tenders are part of a broader strategy to enhance grid flexibility and support renewable energy integration.
As of early 2025, Greece has approximately 100 MW of operational BESS, comprising a small number of FTM (front-of-the-meter) projects and pilots developed prior to the 2023 tenders. Several additional systems became operational in 2024, but the bulk of large-scale storage capacity remains under development.
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