Business Daily Spain's power blackout: what went wrong?
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Aug 24, 2025 On April 28, Spain faced a catastrophic blackout, plunging millions into darkness for 12 hours. The discussion unpacks the intertwining failures of both renewable and traditional energy systems. Economic repercussions are explored alongside innovative solutions to bolster grid resilience. Experts dive into the future of energy grids, highlighting the vital role of AI and advanced storage tech. The conversation also touches on IoT's potential to enhance energy efficiency, while navigating Spain’s contentious energy policy debates.
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Scale And Impact Of The Blackout
- The April 28 blackout cut power equivalent to ten nuclear plants and lasted over 12 hours across the Iberian Peninsula.
- The outage caused halted trains, stranded people and economic losses estimated up to $1 billion.
Not Just Renewables At Fault
- Preliminary investigations point to grid fluctuations and failures in control mechanisms rather than a single cause.
- Renewables' variability was discussed but experts note multiple conventional and renewable failures contributed.
Phase Management Demo In Granada
- Ramon Gallard describes phase management units that use fast measurements and AI to guide grid actions.
- The units can disconnect or move energy flows to stabilise voltage at distribution level.