Harald Lesch / ZDF at Helmholtz Institute Ulm

April 7th, 2026

Is our power supply secure even during blackouts?
What role could batteries play in this context?
In search of answers, Harald Lesch finds them at the Helmholtz Institute Ulm. Prof. Dr. Maximilian Fichtner, Managing Director of HIU, provides insights into future energy solutions in the new Terra X documentary “Blackout — How secure is our power supply?” (Terra X from April 7th, 2026, starting at 9:06 in the video). A longer interview is available that touches also other aspects of electrochemical energy storage.

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