The Tamil Nadu Generation and Distribution Corporation (TANGEDCO) has announced a scheduled power shutdown in several parts of Chennai on Thursday, November 27, 2025. These temporary interruptions are necessary to carry out essential maintenance, repair, and upgrade work on the electrical infrastructure.
The power supply will typically be suspended for a few hours, with TANGEDCO officials assuring that supply will be restored earlier than the scheduled time if the maintenance tasks are completed ahead of schedule.
Areas Affected and Timings
The power shutdown is generally planned for the morning and early afternoon to minimize disruption. While the exact list of areas varies based on the current maintenance schedule, the typical timing for such planned cuts is 9:00 AM to 2:00 PM.
Example of a Typical Planned Power Shutdown
Based on historical maintenance patterns, the following kind of major suburban areas could be impacted by maintenance work:
| Locality | Likely Affected Areas (Illustrative) |
| New Washermenpet | North Terminus Road, T.H. Road Part, Thideer Nagar, Cheriyan Nagar, Sudalai Muthu Street, Ashok Nagar, Desiyan Nagar, Nammaiah Maistry Street, Fishing Harbour, and surrounding lanes. |
| Sothupakkam | Balaji Garden, Pudhu Nagar, Bye Pass Road, Arroon Ullasa City, Shanthi Colony, and surrounding areas. |
| Tambaram/Pallavaram | GST Road parts, Kamakshi Nagar, Perumal Nagar, Indira Gandhi Road, Selaiyur areas, MGR Nagar, and parts of the OMR stretch. |
Note: Residents must check local TANGEDCO circulars or newspaper announcements for the precise list of streets and sections affected under the jurisdiction of the respective substations on November 27.
Important Advisory
TANGEDCO conducts these shutdowns to ensure the future reliability and safety of the power grid. Consumers are advised to:
- Charge all electronic devices (phones, laptops, inverters) beforehand.
- Store sufficient water, as pumps will not operate during the outage.
- The power supply will be resumed immediately once the maintenance work is safely concluded.
- For urgent queries, the TANGEDCO centralized 24x7 call center, Minnagam, can be reached on the helpline number 94987 94987.
