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Re:Full power outage in Spain and Portugal by LorenPechtel on Tuesday April 29, 2025 @07:12PM (#43839176)
But even a "small" amount of input power makes the process much easier because it can be used to bring up the next source of power.
Re:Full power outage in Spain and Portugal by ncruces on Thursday May 01, 2025 @12:07PM (#43859614)
Sure. Portugal is in deed completely “isolated” if it loses Spain, so it needs black start capability if it wants some degree of autonomy.

As far as containing the issue, this was a disaster. On the flip side, this was as good an opportunity to test a black start as any, it went reasonably well, and the network operator was already in the process of contracting two further dams for the ability.