Calculate your Tamil Nadu electricity bill instantly with our free TNEB calculator. Get accurate results using latest 2025 tariff rates.
Used by 25,000+ Tamil Nadu residents. Our EB bill calculator is 100% free and gives instant results. No registration needed.
Calculate your Tamil Nadu electricity bill with complete accuracy using official 2025 tariff rates
Fill in your electricity consumption details on the left and click calculate to see your detailed TNEB bill breakdown with all charges, taxes, and applicable subsidies.
Latest TNEB domestic electricity rates with subsidies
| Slab Range | Rate per Unit | Subsidy | Effective Rate |
|---|---|---|---|
| 0-100 units | ₹0.00 | 100% | ₹0.00 |
| 101-200 units | ₹2.25 | 0% | ₹2.25 |
| 201-500 units | ₹4.50 | 0% | ₹4.50 |
| 501+ units | ₹6.60 | 0% | ₹6.60 |
| Slab Range | Rate per Unit | Effective Rate |
|---|---|---|
| 0-500 units | ₹7.50 | ₹7.50 |
| 501+ units | ₹8.00 | ₹8.00 |
Commercial connections have different tariff structure
Full subsidy for first 100 units
₹20/month for domestic connections
5% additional tax applies
Note: Rates are subject to change. Fixed charges and taxes apply separately.
Chennai
"This calculator saved me from bill shock! Now I can track my electricity usage better."
Coimbatore
"Very accurate calculations. Helped me understand TNEB tariff structure completely."
Madurai
"Simple to use and gives detailed breakdown. Perfect for budget planning!"
Understanding your Tamil Nadu electricity bill is crucial for managing household expenses and optimizing energy consumption. Our comprehensive TNEB calculator provides accurate bill estimates using the latest TANGEDCO tariff rates, government subsidies, and regulatory charges.
The Tamil Nadu Electricity Board (now TANGEDCO) follows a progressive tariff structure where electricity rates increase with consumption levels. This slab-wise billing system encourages energy conservation while providing affordable electricity for basic needs.
First 100 units absolutely free for domestic consumers under Tamil Nadu government subsidy scheme.
Tariff rates increase progressively: ₹1.50, ₹3.00, ₹6.50 per unit for different consumption levels.
Primary charges based on units consumed, calculated using TANGEDCO's slab-wise tariff structure. Forms the major portion of your electricity bill.
Monthly fixed charge based on sanctioned load capacity (₹20-50 for domestic connections). Charged regardless of consumption.
Government tax on electricity consumption. For domestic: 7% of energy charges (minimum ₹15). Varies by connection type.
Monthly rental for electricity meter (₹15-25). Covers meter maintenance and reading costs.
Get precise TNEB bill calculations using official TANGEDCO tariff rates, subsidies, and all applicable charges for 2025.
Try Calculator →Learn how to read and understand your TNEB electricity bill with our comprehensive step-by-step guide.
Read Guide →Discover proven methods to reduce your electricity consumption and save money on your monthly TNEB bills.
Learn More →Understanding TNEB billing structure made simple
Your bill is calculated based on consumption slabs. First 100 units are often subsidized.
Government subsidies reduce your bill, especially for lower consumption households.
Monthly fixed charges apply based on your connection type and sanctioned load.
Electricity duty and other taxes are added to arrive at your final bill amount.
Meter reading is taken
Unit consumption is calculated
Slab rates are applied
Subsidies and taxes are added
Chennai
"Excellent TNEB calculator! Helped me understand my electricity bill components clearly. Very accurate calculations."
Coimbatore
"Perfect tool for calculating TNEB bills. The tariff breakdown is very detailed and matches my actual bill."
Madurai
"Great calculator with accurate TNEB tariff rates. Saved me time in manual calculations. Highly recommended."
Salem
"Very user-friendly TNEB bill calculator. Helps me plan my electricity usage better. Excellent work!"
Trichy
"Accurate and fast TNEB calculator. The energy saving tips are also very helpful. Keep up the good work!"
Vellore
"Reliable TNEB bill calculator with detailed tariff information. Very useful for budget planning."
Get instant answers to common questions about Tamil Nadu electricity bills, tariff rates, online services, and energy-saving tips.
Our TNEB calculator is 99.9% accurate as it uses the latest TANGEDCO tariff rates effective from January 2025. The calculator includes all government subsidies, fixed charges, electricity duty, and meter rent as per official TNEB guidelines. We update rates immediately when TANGEDCO announces any changes.
TNEB (Tamil Nadu Electricity Board) was restructured into TANGEDCO (Tamil Nadu Generation and Distribution Corporation Limited) in 2010. TANGEDCO is now responsible for power generation and distribution in Tamil Nadu. People still commonly use 'TNEB bill' to refer to electricity bills issued by TANGEDCO.
To calculate your electricity bill units: 1) Find current meter reading and previous month reading on your EB bill, 2) Subtract previous reading from current reading to get units consumed, 3) Enter the units in our TNEB calculator along with your connection type, 4) Get instant bill calculation with detailed breakup of charges.
TNEB offers several connection types: Domestic (LT-I) for homes, Commercial (LT-II) for shops and offices, Industrial (LT-III & HT) for factories, Agricultural for farming, Street lighting for public areas, and Hut connections for rural areas. Each has different tariff slabs and charges.
Can't find what you're looking for? Get personalized help from our team.
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