The Tamil Nadu Generation and Distribution Corporation (TANGEDCO) has issued a notification regarding a scheduled power shutdown in several key districts across the state on Wednesday, December 4, 2025. The power disruption is necessary to carry out essential monthly maintenance work on the power lines, sub-stations, and feeders to ensure a stable and reliable supply in the long run.
The planned outage will particularly impact areas under the electricity board jurisdictions of Coimbatore, Theni, and Udumalpet, as well as parts of Perambalur. Residents, industrial units, and commercial establishments in these regions are advised to make necessary alternate arrangements to avoid inconvenience.
Time and Duration of the Power Cut
The power supply interruption will generally run for several hours, with specific timings varying slightly by district:
- Coimbatore & Udumalpet: The power cut is generally scheduled from 9:00 AM to 4:00 PM (7 hours).
- Theni: The scheduled outage will be from 10:00 AM to 4:00 PM (6 hours).
- Perambalur: The power cut is expected to be from 9:00 AM to 2:00 PM (5 hours).
The supply will be restored immediately if the maintenance work is completed ahead of the scheduled time.
Affected Areas: District-wise List
A wide range of localities, from city suburbs to rural clusters, will be affected by the shutdown. The key areas facing disruption include:
1. Coimbatore
- Saravanampatty
- Sengaturai
- Kadanpadi
- Aero Nagar
- Mathiyalakan Nagar
- AmmanKovil
- Chinnavedampatty
- Krishnapuram
- Sivananthapuram
- Vellakinar
- Urumandampalayam
- G.N.Mill
- Subramaniyampalayam
- K.N.G.Pudur
- Maniyagarampalayam
- LakshmiNagar
- NachimuthuNagar
2. Udumalpet
- Udumalpet Town
- Palani Road
- Thangamaloodai
- Ragalpavi
- Sundakanpalayam
- Ganapathipalayam
- Podipatti
- Palapalayam
- Kongalakurichi
- Kurichikotai
- Earipalayam
- Pukkalam
- Kurinjari
- CV.Patti
- Sankar Nagar
- Gandhi Nagar
3. Theni
- Paragon
- Silamalai
- T.R.puram
- S.R.Puram
- Soolapuram and their surrounding localities.
4. Perambalur
- Chinnar
- Eraiyu
- Murukkankudy
- Valikandapuram
- Sugar Mill
- Thirumandurai
- Perumathur
- Vaddakkalur
- Athiyur
- Paravai
- Kilumathur
- Olaipady
- Ealumor
Public Advisory: Prepare for the Disruption
Residents in the listed areas are advised to charge all essential electronic devices, including phones and power banks, well in advance. Businesses relying on electricity should plan their operations accordingly or arrange for backup power sources to minimize impact during the scheduled shutdown window.