About this calculator
A clear way to understand the electricity your home uses and the bill that follows.
Rates as per TNPDCL, October 2026Site operator
TNEB Electricity Bill Calculator is operated by JAGC (Just Another Game Company), Chennai, India. Contact: [email protected].
This site is hosted on Cloudflare Pages and uses Google AdSense.
What this calculator does
It estimates ordinary Tamil Nadu domestic LT I-A bills for two-month consumption. You can enter known units or build a list of appliances. The results show the net slabs, free units, rounded bill and a monthly saving budget.
Where the rates come from
The source of truth is the official TNPDCL calculator as observed on 8 October 2026. The estimator uses its net consumer rates and adds no extra tax, fixed charge or minimum charge.
The 100, 200, 400, 500, 501, 800 and 1,000-unit examples are checked against official outputs. Fractional appliance estimates are summed before rounding the two-month total to whole units, with 0.5 upward.
What you control
Appliance presets are estimates. You can edit power and usage or enter annual kWh from a label. Your appliance list is stored in your browser when local storage is available.
Independent and transparent
This site is not affiliated with TNPDCL or TNERC. It does not collect payments or access consumer accounts. Use your actual electricity bill for payment.
For questions or corrections, email [email protected].