In Pa Klok, the areas to be affected are along the east side of Route 4027, from Krungsri Bank to Baan Yucharoen 1 housing estate.
On Koh Siray. the areas to be affected are along Thepprathan Rd, from Rimhad Seafood restaurant to Moon Terrace Luxury Villa.
The power outage will be from 9am to 4:30 pm.
In its announcement, the PEA apologised for any inconvenience caused while the work is carried out.
For more information call the PEA at 076-354379 or call centre 1129.