Updated 8 October 2026
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Questions about a calculation? Tell us what you entered and what you expected.
Rates as per TNPDCL, October 2026For a calculation question
- Include the units and whether they cover one or two months.
- For appliances, include power, quantity, hours, days and compressor on-time.
- Include the result you saw and an official source if you are reporting a tariff change.
Do not send consumer numbers, payment details, passwords or a full unredacted bill. A description of the calculation is enough.
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