Uploaded September 2025 | Updated September 2026, 2 weeks ago

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This video was produced when the laboratory operated as the National Renewable Energy Laboratory (NREL). The laboratory is now the National Laboratory of the Rockies (NLR).

NREL Principal Analyst José Daniel Lara gives a minute-by-minute analysis of the April 28, 2025, Iberian blackout, which left tens of millions of people in Portugal and Spain without power for 10 hours.