The outage was confirmed in some 23 provinces, including Ankara and Istanbul, by news agency Anadolu. Later information from Broadcaster NTV put the number at 40. An energy official at the ministry has offered no immediate comment, while the power supplier TEIAS likewise did not respond to questions.
The subway system is at a standstill and flights across the country have also suffered setbacks.
Her dakika yenisi ekleniyor! Türkiye genelinde elektrik kesintisi yaşanan iller http://t.co/keucdN32nY pic.twitter.com/CP1jiWAHxU
— CNN Türk (@cnnturk) March 31, 2015
"@spillthenews: affected cities in #Turkey by the #TurkeyBlackOut pic.twitter.com/49n6cvrOwe" wow, talk about nation wide.
— Christopher James (@travelingmitch) March 31, 2015
Turkey's Anadolu agency reports that the outages struck around 10:36am Turkish time, according to officials. Flights in and out of the capital have been grounded.
Prime Minister Ahmet Davutoglu says all potential causes are being investigated currently, "including the possibility of a terror attack."
Anyone on #Periscope in #turkeyblackout ?? @LucyKafanov
— IvorCrotty (@IvorCrotty) March 31, 2015
This is the first outage event of such magnitude in 15 years, according to the daily Hurriyet paper.
Eleven out of 16 flight radar receivers are reported to be down, according to Turkish air traffic control.
Comment: This is the second major power outage this week, following the widespread disruption in the Netherlands. Several possible causes to consider are:
The Turkish PM is now suggesting that 'a cyber attack' is to blame, a possible allusion to a certain foreign power's cyberwarfare capabilities being responsible.