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Solar in Chennai: Local Conditions & What to Expect
Chennai, serviced by TANGEDCO's Chennai Metropolitan Area (CMA) zone, receives 5.1 peak sun hours on average — slightly lower than inland Tamil Nadu due to the Bay of Bengal's sea breeze and higher humidity. Chennai's coastal character means salt-laden sea air is a factor for panel maintenance, requiring monthly cleaning with fresh water. The city's extreme summer heat (April–June, averaging 38–42°C) reduces panel efficiency slightly, but high irradiance compensates. Adyar, Anna Nagar, Velachery, and OMR corridor are the most active residential solar zones.
Solar Cost Breakdown for Chennai
| Component | Details |
|---|---|
| Provider | TANGEDCO |
| Avg. Sun Hours | 5.3 Hours/Day |
| Equipment | Panels, Inverter |
| Est. Material Cost | ~₹60,000 per kW |
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