Live Reporting
By Owen Amos, Sam Hancock, and Emily McGarvey
Shops and restaurants plunged into darknesspublished at 12:59 British Summer Time
Guy Hedgecoe
Reporting from MadridThe power outage began soon after midday Spanish time and it appears to have affected cities across the country, although the Balearic and Canary Islands do not appear to have been affected.
Mainland Portugal and Andorra also saw a similar blackout.
Public transport has been disrupted, with passengers evacuated from trains and traffic lights also affected.
In Madrid, many businesses, shops and restaurants were plunged into darkness. Internet service was also affected.
Spanish grid operator Red Eléctrica has said it is working with energy companies to restore power.
Power operators begin recovery in parts of Spainpublished at 12:49 British Summer Time
In an update, Spanish power grid operator Red Electrica says it's beginning to recover power in the north and south of the country.
It says this is "key to gradually restoring the electricity supply".
"We continue working to restore power," it adds.
Earlier, the company confirmed the outages and said all its resources were being dedicated to solving the issue.
Portuguese police say traffic lights and trains impacted - reportpublished at 12:48 British Summer Time
Breaking
We're beginning to hear how the outage has affected Portugal, too.
According to the Reuters news agency, Portuguese police say traffic lights are affected across the country, the metro is closed in capital city Lisbon as well as Porto, and trains are not running.
Are you affected?published at 12:44 British Summer Time
Have you been affected by the power cuts in Spain and Portugal? Share your experiences:
- BBC Your Voice: [email protected], external
- WhatsApp:+44 7756 165803
- Upload your pictures and video
- Tweet: @BBC_HaveYourSay, external
- Please read our terms & conditions and privacy policy
In some cases a selection of your comments and questions will be published, displaying your name and location as you provide it unless you state otherwise. Your contact details will never be published.
Tennis tournament Madrid Open suspended due to outagepublished at 12:35 British Summer Time
Breaking
Play has been suspended at the Madrid Open - an annual clay tennis tournament - due to the power outage currently affecting the Spanish capital and surrounding region.
British tennis player Jacob Fearnley was forced to leave the court, PA media reports.
The loss of power affected scoreboards and a camera above the court, it adds.
Image caption,Image source, Reuters
One of the courts was left almost entirely empty after the power outage forced play to be suspended
Spanish railway operator says 'entire' grid cut offpublished at 12:24 British Summer Time
Spain's national railway company, Renfe, says the country's "entire National Electricity Grid was cut off" at 12:30 local time (11:30 BST).
"Trains stopped" and were "without departures" at all stations, the company says.
Spanish operator confirms power outagespublished at 12:21 British Summer Time
Breaking
Spain's electricity grid operator Red Electrica has confirmed power outages across the country.
It is working to restore electricity supplies and says it's working to analyse the causes of the blackouts.
"All resources are being dedicated to solving it," it says in a post on X.
Reports of widespread power cuts in Spain and Portugalpublished at 12:16 British Summer Time
Breaking
A huge power outage seems to be affecting swathes of Spain and Portugal.
Local reports say there are traffic jams in the centre of the Spanish capital, Madrid, due to traffic lights not working.
Information is coming through thick and fast, and we'll bring you the latest as and when we get it. Stay with us.