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Electricity Bill Calculator

Calculate your electricity bill online free. State-wise rates, domestic and commercial consumers, energy charges, fixed charges, taxes, and annual bill estimate with visual charts.

Electricity Bill Calculator

Calculate your exact electricity bill — enter your state, consumer type, monthly units and get instant bill breakdown with charges, taxes and annual estimate.

Electricity Bill Calculator India – Calculate Exact Electricity Bill Online Free

Free electricity bill calculator | State-wise rates | Domestic and commercial | Monthly and annual bill | Instant results

Understanding your electricity bill can be confusing with multiple components like energy charges, fixed charges, electricity duty, fuel adjustment charges, and various surcharges. Our free Electricity Bill Calculator simplifies this entirely — just enter your state, consumer type, monthly units consumed, and applicable rates to instantly get a complete bill breakdown.

Whether you are a domestic consumer trying to understand why your bill is high, or a commercial consumer planning your monthly electricity budget, this tool gives you transparent and accurate results. You can also compare seasonal variations and get practical energy-saving tips to reduce your bill.

How to Use the Electricity Bill Calculator

  1. Select Your State — Choose your state from the dropdown. The calculator auto-fills the average domestic per-unit rate and fixed charges for that state based on current DISCOM rates.
  2. Choose Consumer Type — Select Domestic (residential) or Commercial. Commercial rates are typically 20-30% higher than domestic rates in most Indian states.
  3. Enter Monthly Units — Enter your monthly electricity consumption in kWh (units). This is printed on your electricity bill as "Units Consumed" or "kWh".
  4. Verify and Adjust Rates — Check the auto-filled per unit rate and fixed charges. You can edit these to match your exact electricity bill for precise results.
  5. Add Optional Charges — Enter electricity duty percentage, fuel adjustment charge per unit, and any other surcharges from your bill for complete accuracy.
  6. View Complete Results — Click Calculate to instantly see energy charges, taxes, total monthly bill, annual estimate, unit cost analysis, and bill breakdown charts.

Approximate Domestic Electricity Rates by State (2025-26)

State Per Unit Rate (₹) Fixed Charge (₹/month) Electricity Duty Remarks
Uttar Pradesh ₹6.50 ₹110 5% LMV-1 domestic slab
Delhi ₹5.00 ₹80 5% BSES/Tata Power domestic
Maharashtra ₹8.50 ₹165 16% MSEDCL residential
Gujarat ₹5.50 ₹100 20% UGVCL/DGVCL domestic
Rajasthan ₹6.90 ₹105 5% JVVNL/AVVNL domestic
Karnataka ₹7.10 ₹50 0% BESCOM domestic
Tamil Nadu ₹5.80 ₹60 0% TANGEDCO domestic
West Bengal ₹7.00 ₹95 15% WBSEDCL residential
Punjab ₹7.20 ₹120 13% PSPCL domestic
Haryana ₹6.80 ₹125 5% UHBVN/DHBVN domestic

Key Features

State-wise Auto Rates
Automatically fills per-unit rate and fixed charges based on your selected state DISCOM data.
Visual Bill Breakdown
Donut chart showing exact split of energy charges, fixed charges, and taxes in your bill.
Seasonal Cost Graph
Bar chart showing how your bill changes month-to-month based on seasonal usage patterns.
Domestic + Commercial
Calculate bills for both domestic and commercial consumers with different applicable rates.
Energy Saving Tips
Personalized suggestions to reduce your electricity consumption and monthly bill.
Private and Free
All calculations happen in your browser. No data is uploaded anywhere. Completely free.

Frequently Asked Questions

An electricity bill in India = Energy Charges + Fixed Charges + Electricity Duty + Fuel Adjustment Charge + Other Surcharges. Energy Charges = Monthly Units x Per Unit Rate. Fixed charges are levied monthly regardless of consumption. Electricity duty is a state tax (5% to 20%) applied on the subtotal.

1 unit = 1 kWh (kilowatt-hour) = 1000 watts used for 1 hour. To read your consumption, subtract previous month reading from current reading on your electricity meter. This gives you units consumed. For example: Current reading 1450, Previous 1150 = 300 units consumed.

Electricity duty is a state-level tax charged on electricity consumption. It ranges from 0% (Karnataka, Tamil Nadu) to 20% (Gujarat) to 16% (Maharashtra). This duty goes to the state government and is separate from the energy charges paid to DISCOM.

Fuel Adjustment Charge (FAC) is a per-unit charge that varies monthly based on fuel costs (coal, gas) used by power plants. It can be positive or negative. When fuel costs rise, FAC increases your bill. It is regulated by the state electricity regulatory commission (SERC).

Commercial/industrial consumers pay higher rates because they have better ability to pay, and these revenues are used to cross-subsidize domestic and agricultural consumers who pay lower rates. This is called cross-subsidy, mandated by the Electricity Act 2003.

Key tips: (1) Use 5-star BEE rated appliances. (2) Set AC at 24-26°C. (3) Replace incandescent bulbs with LED. (4) Use ceiling fans with AC. (5) Unplug devices on standby. (6) Install rooftop solar under PM Surya Ghar scheme. (7) Wash clothes in cold water. (8) Use natural light during daytime.

Many states use a slab system where different rates apply to different consumption levels. For example: First 100 units at ₹3/unit, 101-300 units at ₹5/unit, above 300 units at ₹7/unit. Higher consumption attracts higher rates per unit. Our calculator uses an average rate for simplicity — check your bill for exact slab rates.

No, electricity bills vary monthly based on consumption. Bills are typically higher in summer (April-June) due to AC usage, and lower in winter and monsoon. The per-unit rate may also change if you cross into a higher consumption slab.

Sanctioned load (connected load) is the maximum power capacity (in kW or kVA) approved for your connection. Fixed charges are based on this sanctioned load. Actual consumption (in kWh) is what you actually used. Energy charges are based on actual consumption.

This calculator gives a close estimate based on the rates you enter. Actual bills may vary due to slab-based tariffs, state-specific surcharges, time-of-day tariffs, or arrears/adjustments. Use your actual per-unit rate from your electricity bill for the most accurate results.

Yes. Select "Commercial" as consumer type. The calculator automatically adjusts rates to approximately 25% higher than domestic rates (as is typical in most states). For exact commercial rates, enter your actual per-unit rate from your commercial electricity bill.
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