Calculate your monthly electricity consumption with TNEB tariff
Choose your house type for better consumption estimates
Select appliances, their efficiency ratings, and usage patterns
Select current season for accurate consumption calculation
Configure your electricity rate and consumption limits
Used for flat-rate calculation (TNEB slab rates are applied separately)
Set to 0 for no limit. Get alerts when you exceed this limit.
Positive for increase (e.g. 15), negative for savings (e.g. -10).
Tamil Nadu Electricity Board tariff rates for domestic consumers (Bi-monthly billing)
| Slab | Units Range | Rate (₹/Unit) |
|---|---|---|
| Slab 1 | 0 - 100 units | Free |
| Slab 2 | 101 - 200 units | ₹2.25 |
| Slab 3 | 201 - 400 units | ₹4.50 |
| Slab 4 | 401 - 500 units | ₹6.00 |
| Slab 5 | 501 - 600 units | ₹8.00 |
| Slab 6 | 601 - 800 units | ₹9.00 |
| Slab 7 | 801 - 1000 units | ₹10.00 |
| Slab 8 | Above 1000 units | ₹11.00 |
Important: First 100 units are free for domestic consumers. If total consumption exceeds 100 units, all units are charged from Slab 1 rate onwards (no free units).