Wire · technology
This year's heatwaves put south-east Europe's power system to the test. The region lacks flexibility
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Fusion42 · 1 September 2026 · Fusion42 review
South-east Europe faced a severe test of its power system amid extreme heatwaves and drought, revealing weaknesses in flexibility, cross-border cooperation, and grid resilience despite overall better-than-expected performance. Battery storage in Bulgaria and renewable surpluses in Greece played vital roles in regional balancing, while transmission capacity was impaired by heat, prompting calls for faster deployment of existing flexibility resources and enhanced grid planning.
This Wire brief sits within Fusion42's coverage of Clean Energy.
◆ ◆ The Wire takeaway
Battery storage and renewables are shifting from optional to critical assets in south-east Europe's power system resilience. You must fast-track integrating storage and demand management to withstand peak heat stress before new infrastructure arrives.
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1 source · 1 Sep 2026
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