600 units electricity bill in Tamil Nadu (TNEB bill)
A home in Tamil Nadu that uses 600 units in a 2-month bill pays about ₹2,880 on today’s TNERC tariff (order of 30 June 2025). That is ₹4.80 a unit, with all the charges our calculator adds.
- ₹2,880 a bill
- ₹4.80 a unit
- TNPDCL
How the 600-unit bill adds up
| Slab (units) | Units × rate | Amount |
|---|---|---|
| 1–100 | 100 × ₹0.00 | ₹0.00 |
| 101–400 | 300 × ₹4.70 | ₹1,410.00 |
| 401–500 | 100 × ₹6.30 | ₹630.00 |
| 501–600 | 100 × ₹8.40 | ₹840.00 |
| Energy charge | ₹2,880.00 | |
| Bill | ₹2,880.00 | |
Urban home, default options of the Tamil Nadu calculator, 2-month bill. Source: TNERC Suo-motu Order No. 6 of 2025 - Determination of Tariff for Distribution for FY 2025-26 (CPI-linked revision under .
What changes the bill
- One more unit adds ₹9.45.
- At 500 units the bill is ₹1,570; at 700 units it is ₹3,825.
Where 600 units sit in the Tamil Nadu slabs
The 600 units cross 4 slabs. The last 100 units are in the 501–600 slab, at ₹8.40 a unit. Each extra unit in this slab costs that much.
The first 100 units cost nothing.
600 units in a 2-month bill is about 10.0 units a day, or 300 units a month. The bill is about ₹48 a day and ₹1,440 a month.
300 units a month in nearby states
300 units a month, priced under each tariff in the region. Tamil Nadu is number 1 of 7, from the lowest bill.
| State or UT | Bill a month | Average a unit |
|---|---|---|
| Tamil Nadu | ₹1,440 | ₹4.80 |
| Puducherry | ₹1,540 | ₹5.13 |
| Lakshadweep | ₹1,705 | ₹5.68 |
| Andhra Pradesh | ₹1,748 | ₹5.83 |
| Telangana | ₹1,910 | ₹6.37 |
| Kerala | ₹2,245 | ₹7.48 |
| Karnataka | ₹2,329 | ₹7.76 |
Urban home, 2 kW, the calculator’s default options, with each state’s own free-unit schemes. States that bill every two or three months are shown per month.
What this figure includes
- Rates are what the consumer pays after Government subsidy (first 200 units free up to 500 units; 100 units free above).
- Electricity tax not included: current notified rate not yet confirmed.
Questions
How much is the electricity bill for 600 units in Tamil Nadu?
About ₹2,880 for 600 units in a 2-month bill on the Tamil Nadu tariff, with the calculator’s default options. Your load, phase and any monthly fuel charge can change it.
What is the per unit rate for 600 units in Tamil Nadu?
The average is ₹4.80 a unit, with all charges. The last units are charged at ₹8.40 each in the tariff.
How many units a day is 600 units in a 2-month bill?
About 10.0 units a day, or 300 units a month. One unit is one kWh: a 1,000-watt load for one hour.
How do I lower a 600-unit bill?
Use the appliance calculator to find what uses the most power.