Tamil Nadu Power Distribution Corporation Ltd. supplies power to Entire Tamil Nadu. Use this page to check TNPDCL (TANGEDCO)'s 2025-26 tariff and calculate your provisional bill.
Official TNPDCL (TANGEDCO) source ↗
TNPDCL (TANGEDCO) distributes electricity across Entire Tamil Nadu.
| Distribution company | Tamil Nadu Power Distribution Corporation Ltd. |
|---|---|
| Short name | TNPDCL (TANGEDCO) |
| State / UT | Tamil Nadu |
| Rates status | Based on the 2025-26 tariff order (latest published data we have) |
| Domestic energy rate | ₹4.95 – ₹12.15 per unit |
| Official website | www.tnpdcl.org ↗ |
| Supply type | Energy charge | Fixed charge | Duty & other |
|---|---|---|---|
| LT-IA (Domestic) |
|
₹0/mo | — |
ℹ️ TNPDCL bills bi-monthly; rates here are the order's monthly-equivalent bands. Free units (GoTN G.O.(Ms) No.50, 10-05-2026): 200 units free per 2-month cycle if you bill ≤500 units bi-monthly, otherwise 100 units per cycle — tick the Government Subsidy box to apply it. Fixed charge is Nil for this category.
| Supply type | Energy charge | Fixed charge | Duty & other |
|---|---|---|---|
| LT-V – Above 50 units/month (100 bi-monthly) |
|
₹110/kW/mo |
|
| LT-V – Up to 50 units/month (100 bi-monthly) |
|
₹110/kW/mo |
|
Who each rate applies to
Enter your units and sanctioned load for an itemised TNPDCL (TANGEDCO) estimate. The result breaks the bill into energy charge, fixed or demand charge, FPPA, duty, and late-payment surcharge where applicable.
Domestic supply. The bracket in each option is the eligibility limit — pick the one your connection actually falls under, because the rates differ sharply between them. For commercial supply, time-of-day, solar export or arrears, the full calculator carries every field.
| Latest verified FPPA | Not available |
|---|---|
| Applicable period | No verified period in tracker |
| Last updated | 2 September 2026 |
| Official source | No verified FPPA source recorded yet |
Enter the surcharge printed on your bill manually in the calculator. Open the surcharge tracker.
Typical domestic examples for a 2 kW LT-IA (Domestic) connection, computed with the same engine as the calculator. Use them as a quick sanity check; your actual bill changes with sub-category, arrears, FPPA, duty and billing-period length.
| Monthly consumption | Estimated bill |
|---|---|
| 200 units | ₹990 |
| 300 units | ₹1,763 |
| 500 units | ₹3,863 |
| 750 units | ₹6,900 |
The slab-wise price of the units consumed during the billing period. In telescopic slabs, each band is billed at its own rate.
A monthly charge linked to sanctioned load, connected load, billing demand or consumer category. It applies even when usage is low.
A statutory government levy. Depending on the state, it may apply on energy charges, fixed charges, or selected bill components.
Fuel and power-purchase adjustment. It changes more often than the base tariff and may appear as a charge or a credit.
Unpaid balance, corrections, security-deposit adjustments or previous-cycle amounts carried into the current bill.
Late Payment Surcharge on overdue amounts. Check the due date and pay through the official DISCOM channel to avoid it.
These services are provided by TNPDCL (TANGEDCO) or the official state/DISCOM portal, not by TheDiscomBill. Use this block as a practical route map before you leave for the official site.
Use www.tnpdcl.org for the final bill, receipt and payment status. The calculator here is only for checking whether the charge lines look reasonable.
For supply, billing or meter complaints, use the official complaint portal first and keep the complaint number. The common electricity helpline in India is 1912 where supported by the state or DISCOM.
Apply for a new connection, ownership update or sanctioned-load change through the official portal. Match the load you apply for with the fixed-charge section in the tariff table below.
If your TNPDCL (TANGEDCO) connection has a prepaid smart meter, check recharge channels, low-balance rules and unit estimates before topping up.
Estimate rooftop-solar savings here, then use the official DISCOM or PM Surya Ghar process for the actual net-metering application.
| Tariff order / regulator | www.tnerc.tn.gov.in/Orders/files/TO-Order%20No6300620252131.pdf |
|---|---|
| TNPDCL (TANGEDCO) official information | www.tnpdcl.org |
| Tariff effective from | in force from 1 Jul 2025 |
| Tariff basis | FY 2025-26 (TNERC T.O. No.6 of 2025) |
| Page updated | 2 September 2026 |
Figures are provisional estimates built on publicly available Tamil Nadu tariff orders. Always verify against your official TNPDCL (TANGEDCO) bill — rates vary by sub-category, slab and city.