⚡ TNEB Tariff 2026 — Complete Electricity Rates
All TANGEDCO tariff slabs for FY 2025-26 with May 2026 revision. Official rates from TNERC tariff order.
Updated: May 2026 Revision Applied
Domestic Tariff (LA1A) — Residential
Bimonthly billing. Two-tier system based on total consumption.
If bimonthly consumption ≤ 500 units:
| Slab | Units | Rate (₹/unit) | Note |
|---|
| 1 | 0 - 200 | ₹0 (FREE) | May 2026: Increased from 100 to 200 free |
| 2 | 201 - 400 | ₹4.70 | |
| 3 | 401 - 500 | ₹6.30 | |
If bimonthly consumption > 500 units:
| Slab | Units | Rate (₹/unit) |
|---|
| 1 | 0 - 100 | ₹0 (Free — subsidy applied separately) |
| 2 | 101 - 400 | ₹4.70 |
| 3 | 401 - 500 | ₹6.30 |
| 4 | 501 - 600 | ₹8.40 |
| 5 | 601 - 800 | ₹9.45 |
| 6 | 801 - 1000 | ₹10.50 |
| 7 | Above 1000 | ₹11.55 |
Fixed charges: ₹51/kW/month. Govt subsidy: ₹3.37/unit for first 200 units (applied as deduction).
Commercial Tariff (LT-V)
| Consumption | Rate (₹/unit) | Fixed Charges |
|---|
| 0-50 kWh | ₹6.00 | ₹100/kW/month |
| All units (above 50kWh) | ₹9.50 | ₹100-550/kW/month (load-based) |
Industrial Tariff (LT-IIIB)
| Load | Rate (₹/unit) | Fixed Charges |
|---|
| All | ₹7.50 | ₹75-550/kW/month (load-based) |
Cottage & Micro Industries (LT-IIIA)
| Units | Rate (₹/unit) | Fixed |
|---|
| 0-250 | ₹4.50 | ₹70/kW/month |
| Above 250 | ₹6.50 | ₹70/kW/month |
Agricultural Tariff (LT-IV)
| Type | Rate | Fixed |
|---|
| Agricultural pump sets | FREE (Govt. bears cost) | ₹3,550/HP/annum |
Other Tariffs
| Category | Code | Rate (₹/unit) |
|---|
| Govt. Educational Institutions | LT-IIB(1) | ₹8.00 |
| Private Educational Institutions | LT-IIB(2) | ₹8.50 |
| Places of Public Worship (≤60 units) | LT-IIC | ₹5.75 |
| Places of Public Worship (>60 units) | LT-IIC | ₹7.00 |
| Public Lighting & Water Supply | LT-IIA | ₹8.00 |
| Temporary Supply / Construction | LT-VI | ₹12.00 |
| HT Industrial | HT-I | ₹6.75 |
| HT Commercial | HT-III | ₹8.50 |
May 2026 Revision — What Changed?
- Free units increased: From 100 to 200 bimonthly for consumers using ≤500 units
- No rate hike: Per-unit rates remain unchanged from Sep 2022 order
- Effective: 10 May 2026 onwards
- Benefit: ~₹235-674 savings per bimonthly cycle
How to Read Your TNEB Bill
Your bimonthly TNEB bill has these components:
| Component | What it means |
|---|
| Energy Charges | Units × slab rate (calculated at full rate) |
| Fixed Charges | Sanctioned load × ₹51/kW × 2 months |
| Govt. Subsidy | Deduction for free units (negative amount) |
| Electricity Duty | 5% tax (if applicable) |
| Net Payable | Energy + Fixed - Subsidy + Duty |