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From: "Carlos E.R." <robin_listas@es.invalid>
Newsgroups: sci.electronics.design
Subject: =?UTF-8?Q?Re=3A_Causes_of_the_Gran_Apag=C3=B3n_=28Spain=29=2C_first?=
 =?UTF-8?Q?_oficial_report?=
Date: Thu, 19 Jun 2025 00:16:19 +0200
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On 2025-06-18 22:28, Martin Brown wrote:
> On 18/06/2025 19:37, Carlos E.R. wrote:
>> On 2025-06-18 09:39, Liz Tuddenham wrote:
>>> Carlos E.R. <robin_listas@es.invalid> wrote:
>>>
>>> [...]
>>>> ...the minister for
>>>> ecological transition, Sara Aagesen
>>> [...]
>>>> the
>>>> "system did not have enough dynamic voltage capacity".
>>> [...]
>>>> did not absorb all the voltage
>>>> they were supposed to when tension was high," she said,
>>>
>>> The usual nonsense we have come to expect from 'factual' reports.
>>> Ignorant minister?  Ignorant reporter?  ...or both.
>>
>> The report was written by a committee of experts. Fifty, I think.
>>
>>       The committee studying the blackout is made up of 
>> representatives of the Ministry for Ecological Transition and the
>>        Demographic Challenge (MITECO), the Presidency of the 
>> Government, the Ministry of Defence and the Ministry of the
>>        Interior. Specifically, the Department of Homeland Security, 
>> the National Intelligence Centre, the General Staff and the
>>        National Centre for the Protection of Critical Infrastructure 
>> are involved.
>>
>> https://www.miteco.gob.es/es/prensa/ultimas-noticias/2025/abril/el- 
>> gobierno-crea-el-comite-para-el-analisis-de-la-crisis-de-elec.html
>> #:~:text=Adem%C3%A1s%20del%20MITECO%2C%20el%20Comit%C3%A9%20est%C3%A1%20integrado,medio%20del%20Centro%20Nacional%20de%20Protecci%C3
>>        %B3n%20de [www.miteco.gob.es]
>>
>>
>>        The blackout, which occurred on 28 April 2025, affected the 
>> Iberian Peninsula, including Spain, Portugal and Andorra, and
>>        extended as far south as France. The power outage caused 
>> disruptions to essential services such as hospitals, airports and
>>        telecommunications networks. The causes of the blackout are 
>> being investigated by this committee.
> 
> Until they publish a detailed explanation of how it was that a 
> predictable surge of power from solar PV at high noon was able to bring 
> down the *entire* Spanish grid it looks like a white wash to me.

Where does it say that was the cause? It happens every day.

> 
> Also exactly what order the cascade failure occurred in (and name and 
> prosecute the companies that they claim did not follow the rules).
> If that claim is true then they were culpable for the failure.

That is for another stage.

> 
> Comparable UK reports name all the players involved and exactly what 
> happened at each site and when. See for example the report on our fairly 
> spectacular summer failure in 2023 - this is a summary:
> 
> https://reports.electricinsights.co.uk/q3-2019/the-blackout/
> 
> NESO seem to have conveniently deleted the original National Grid 
> technical report from their site :(   Aha found it:
> 
> https://www.neso.energy/document/152346/download
> 
> And that is what a proper investigation report ought to look like!

You will have to wait. There is a procedure to follow.


-- 
Cheers, Carlos.