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EU Sparks Energy Storage Revolution
15 Jul
Summary
- EU leaders agreed to boost storage to 10% of peak demand by 2028.
- Battery costs have plunged 93% since 2010, making them economically viable.
- Market rules and grid delays are key barriers to EU energy storage expansion.

The European Union has initiated a pivotal shift towards renewable energy integration with its first tripartite energy storage agreement, signed this past June. This accord prioritizes battery technology to better capture intermittent solar and wind power, a move critical as renewable energy output grows.
The agreement, establishing a target of 30 to 35 GW of new storage capacity by 2028, aims to double storage's contribution to peak electricity demand. This expansion is vital because fluctuating renewable generation often leads to negative prices and curtailed output, negatively impacting renewable energy projects.
Battery costs have decreased dramatically by approximately 93% between 2010 and 2024, making them increasingly economical. Europe saw a record of 21.9 GWh of new battery systems installed in 2024 alone. Storage is transitioning from a backup solution to essential grid infrastructure, with projections suggesting it could displace significant gas imports.
However, the agreement acknowledges significant obstacles remain. Complex market rules, where batteries are often charged tariffs on both charging and discharging, hinder their economic viability. Grid connection delays and unclear project classifications further slow deployment.
Additionally, industrial policy and reliance on raw materials from Asia present challenges to establishing a self-sufficient European battery industry. Securing essential materials like graphite, lithium, and cobalt faces hurdles from local opposition to mining and processing projects.