Electricity was being restored in most parts of Kenya on Saturday, 14 hours after the longest outage in recent memory, the majority government-owned power distributor said.
There was still no clear explanation for the outage that hit on Friday night, shutting down the country's main international airport, affecting major hospitals and even the president's office compound.
I am really sorry for what has happened, Transport Minister Kipchumba Murkomen said in a statement close to midnight.
There is no excuse worth reporting and there is no reason why our airport is in darkness.
Kenya Power later on Saturday said it had restored service in most areas.
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The outage came just weeks before Kenya's government hosts the first Africa Climate Summit, where energy will be key on the agenda.
Kenya gets almost all its energy from renewable sources, but infrastructure and alleged mismanagement remain an issue in the country of more than 50 million people.
Kenya Power had announced in a brief statement that a system disturbance" led to the loss of the bulk power supply to parts of the country just before 10 pm Friday.
Shortly after midnight, it reported that power had been restored to the Mt. Kenya region, a longtime political stronghold, and added that initial reports indicated a fault in a generation plant.
Around 3 am, Kenya Power said electricity was back up at the international airport in the capital, Nairobi, and other critical areas in the capital region.
However, three of Nairobi's largest hospitals as well as the State House, the site of President William Ruto's office, told The Associated Press earlier Saturday they were still using generators.
The power outage had lasted for about 14 hours in what Kenyans called the longest blackout in memory. Calls to Kenya Power's communications department did not go through.
Tourism is an important part of Kenya's economy, and stranded travellers quickly posted images on social media of the darkened airport.
The Kenya Airports Authority said a generator serving the main terminal had failed to start after the national power outage.
Meanwhile, Kenyans already coping with rising costs of living woke up to find food spoiling and some backup power options running out.
The most recent national power outage was in May.
(Only the headline and picture of this report may have been reworked by the Business Standard staff; the rest of the content is auto-generated from a syndicated feed.)