Kenya Power has confirmed power outages in most parts of the country.
In a statement, the company said it is working to restore the supply.
The company was yet to establish the cause of the power outage by the time of going to the press.
"We have lost power supply to parts of the country. Our engineers are working to restore supply to the affected areas," Kenya Power said.
"We apologize to our customers for the inconvenience caused. An update on restoration progress and cause of the power outage will be issued later."
Most parts of the country faced power blackouts from around 7:30 PM.
The issues saw several Kenyans take to social media to raise concern on the matter.
On Friday, Kenya Power issued a power outage advisory to only seven counties.
The counties include Makueni, Machakos, West Pokot, Trans Nzoia, Migori, Kisii, and Kiambu.
Parts of Makueni County that were to be affected are Kasuvi, Mulilii, Yimwaa, Kiangini, Kalii, Mbuvo, Kitise, Matheani, Kanzokeani, Kalawa, Katangi, Syotuvali, Kathonzweni Mkts, Kikumini, Ikaasu and Kanthuni.
The interruption was scheduled from 9.00 am to 5.00 pm.
Miondoni, Syokisinga, Katangi, Ikombe, Kenyatta, Seku University, Kyua and adjacent customers in Machako were scheduled for power interruptions from 9.00 am to 5.00 pm.
In West Pokot County, areas scheduled for interruptions from 9.00 am to 3.00 pm were Ortum, Cemtech, Sebit, Murpus, Sina, Chepkorniswo, Marich Pass, Sigor, Lomut and Sarmach Kainuk.
Parts of Trans Nzoia County Kenya Seed, Lugonzo, Endebess Market, Kapkoi, Marinda, Chepsalei, Suam, Chepchoina, Kimondo, Kietkei, Molem, Matumbei, Kolongei and adjacent customers were to have power interruptions from 9.00 am to 3.00 pm.
