Chennai Power Shutdown on May 20: Avadi, Thirumullaivayil Among Areas to Face Outage; Check Area-wise Timings
Chennai Power Shutdown Tuesday: The Tamil Nadu Generation and Distribution Corporation (TANGEDCO) has announced a scheduled power shutdown in parts of Chennai tomorrow, 20 May 2025, due to regular monthly maintenance work. The power cuts are expected to affect several areas in Avadi and Thirumullaivayil, along with surrounding localities.
The Electricity Department stated that these outages are part of a state-wide maintenance initiative, which is carried out monthly to ensure the smooth functioning of the power infrastructure. Residents are usually informed in advance about such outages to help them plan accordingly.

Chennai Power Shutdown Areas Tuesday
Power supply will be suspended in several localities across Chennai during the day. Thirumullaivayil and its neighbouring areas, including Arch Antony Nagar and the Pothur Industries area, will also experience outages.
In Thirumullaivayil and nearby areas, the affected localities include:
- Thirumullaivayal
- Arch Antony Nagar
- Pothur Industries area
In Avadi and its surrounding regions, power outages will be experienced in:
- CDH Road
- Kavarapalayam
- Sindhu Nagar
- DRR Nagar
- Thanalakshmi Nagar
- Nassar Main Road
- Moses Street
Chennai Power Cut May 20, 2025 Area-wise Timings
According to the announcement, power will be cut from 9:00 AM to 4:00 PM in Thirumullaivayil and its surrounding areas.
In Avadi and adjacent localities, the power outage is scheduled from 9:00 AM to 3:00 PM.
Electricity supply in these areas will be disrupted during the mentioned hours as part of the maintenance operation.
This announcement comes at a time when the public is already dealing with the summer heat. The news of the power cut has understandably caused some distress among residents who rely on electricity to stay cool during this period.
These scheduled outages are part of the department's efforts to ensure the electrical infrastructure remains in good condition. While inconvenient, they are necessary for maintaining reliable service throughout Tamil Nadu.
Tips for Chennai Residents During the Power Cut
Residents are advised to plan accordingly for these outages to minimise disruption to their daily activities. Ensuring that electronic devices are charged and having alternative lighting options can help manage during these hours without electricity.
Below are the some important dos before and during Power Cut in Chennai:
If you live in one of the affected areas in Chennai, here are some important steps to take before and during the power outage to minimise inconvenience:
Preparation Before the Power Cut
- Charge essential devices like mobile phones, laptops, and power banks fully.
- Store enough drinking and household water, especially if your water supply depends on electric motors.
- Cool your home early using fans or air conditioning to retain some comfort during the outage.
- Complete essential chores such as cooking, ironing, or washing clothes before 9 AM.
- Keep emergency lighting like torches, battery-operated lamps, or candles ready.
- Refrigerate perishables properly and avoid opening the fridge unnecessarily during the outage.
During the Power Cut
- Avoid using elevators, especially if you live in multi-storey buildings.
- Stay hydrated and remain indoors or in shaded areas to avoid heat exhaustion.
- Limit screen time to conserve device battery until power returns.
- Check on elderly family members, children, and neighbours who may need assistance.
- Use battery-operated fans or coolers, if available, to stay comfortable.
- Be alert for any TNEB updates or early restoration announcements.


Click it and Unblock the Notifications