The level of outages is now one of the highest since the summer of 2024, resulting in over 30% of the network of the largest mobile operator Kyivstar being without power, says the company’s CEO Alexander Komarov, advising fixed internet users to ensure they have backup power for their routers so that everyone can stay connected for longer.
“Today is a very difficult day. One of the most difficult since the summer of 2024. As of 9 a.m., more than 30% of the network is without power, almost evenly distributed across the country. Five regional technology centers are running on generators,” Komarov wrote on Facebook on Thursday morning.
According to him, for the most part, the network has been running on batteries and generators for most of the day. “Unfortunately, about 4% of sites have lost their functionality,” the CEO said.
He recalled that in preparation for prolonged blackouts, the company had reserved 99% of the Home Internet network for up to 12 hours of autonomous operation before the start of autumn, installing more than 80,000 modern LiFePO4 batteries and investing almost UAH 300 million in this in 2024-2025.
“This way, when there is no electricity, the fixed network remains operational. But in order to use the Internet for as long as possible, subscribers should do their part of the ‘backup’ — connect their routers to a backup power supply. A power bank, uninterruptible power supply (UPS), or charging station will suffice,” Komarov explained.
At the same time, according to his data, as of mid-November, only 15-20% of Home Internet subscribers had taken care of backup power for their routers, and during the recent total blackout in the Poltava region, the customer reserve was only 2%.
“And then everything is interconnected: users switch to mobile Internet, the load on base stations increases, their autonomous operation time is reduced, and the quality of mobile communication and data transfer speed deteriorate,” the head of the largest mobile operator described the current situation.
He called on customers to do their part to provide backup solutions for the network so that the country remains connected.
As noted, after the attack on November 8 and subsequent ones, Ukrenergo imposes restrictions on up to four queues every day, which in many regions means no electricity for more than 12 hours a day.
Kyivstar served 22.5 million mobile subscribers in the third quarter of 2025, which is 3.6% less than a year earlier, but the number of 4G customers grew by 2.4% to 15 million. In addition, it had more than 1.1 million Home Internet subscribers. In early September, Komarov announced that the company had over 16,000 telecom sites.
