The power outage, from 9am to 5pm, will allow workers to carry out improvements to the high-voltage network in the area, PEA Thalang said in its announcement.
The affected area includes the Kai Service Vehicle Inspection Station, as well as the Shell petrol station and its electric vehicle charging station.
According to a map posted with the announcement, other businesses in the immediate vicinity will also be affected.
PEA Thalang last month began moving power lines and supporting poles along Thepkrasattri Rd in preparation for construction of the underpass to be built at the Heroines Monument.
For more information about the power outage, people were advised to call PEA Thalang at 076-386882 or the PEA hotline 1129.