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From: "Carlos E.R." <robin_listas@es.invalid>
Newsgroups: sci.electronics.design
Subject: Re: The Physics Behind the Spanish Blackout
Date: Mon, 9 Jun 2025 21:29:56 +0200
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On 2025-06-09 21:14, Don Y wrote:
> Why were the hydro and nuclear plants IN THE AFFECTED SPANISH REGION so
> poor at providing that "inertia" (even if only to allow THAT part of the
> country to safely "island"?)  Why were they among the last sources to come
> back online?

Hydro was the first to come back online.

Islanding can happen if there is generation of the needed size in the 
region, of the same power as the power usage. And that did not happen, 
specially with solar/wind. Nor with nuclear.

-- 
Cheers, Carlos.