Electricity Bill Calculator
Calculations use telescopic method (Split across slabs).
Total Bill Amount
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Avg Cost: ₹0 / unit
Energy
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Fixed + Tax
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Slab Shock Alert!
You entered a higher slab. Reducing just 10 units could save you ₹50.
Cost Distribution
Usage Costs (Per Hour)
*Based on your current avg rate
Bill Breakdown
| Slab Range | Units | Rate | Cost |
|---|---|---|---|
| Energy Charges | ₹0 | ||
| Fixed Charges | ₹0 | ||
| Taxes / Duty | ₹0 | ||
Disclaimer: This tool estimates electricity bills for FY 2024-25 based on standard domestic tariffs. Fixed Charges are calculated based on the sanctioned load you enter. Tax rates may vary by municipality (Urban/Rural). Fuel Adjustment Charges (FAC) are dynamic and not included. Please refer to your official bill for exact calculations.
Copyright © designed by Elathi Digital – Ar. S. Anand Kumar
Highlights
“Arre! Why is the Bill So High?” – The Monthly Indian Nightmare
We have all been there. It is the first week of the month, the courier guy (or the SMS on your phone) delivers the news, and suddenly your mood is off. You stare at the electricity bill and wonder, “Did I really run the AC that much? Or is the meter faulty?”
In India, electricity tariffs are not just simple maths; they are a maze of Fixed Charges, Energy Charges, Fuel Surcharge Adjustments (FSA), and the dreaded Electricity Duty.
Whether you are living in a high-rise in Mumbai or a quiet street in Kallakurichi, understanding how your bill is calculated is the first step to reducing it. That is exactly where our Electricity Bill Calculator comes in handy. It’s like having a chartered accountant just for your light bill!
The “Slab” Trap: Why Your Bill Isn’t Linear
Most of us think that if 100 units cost ₹500, then 200 units should cost ₹1,000. Wrong.
Indian electricity boards (be it TNEB, MSEDCL, or BESCOM) work on a Telescopic Slab System. The more you consume, the higher the rate per unit becomes.
Let’s take an example of our friend, Shankaran Pillai, a retired school teacher living in Kallakurichi, Tamil Nadu.
- Shankaran Sir runs a modest household: a fridge, a TV, lights, fans, and one AC that he uses only when his grandkids visit.
- For the first 100 units, the government might give a subsidy (free or very low cost).
- From 101 to 200 units, the rate might be ₹2.50 per unit.
- But the moment he crosses 500 units because the AC was running all day during Pongal holidays, the rate for the entire usage might jump to ₹6.60 or more per unit!
This is why manually calculating your bill on a piece of paper is a headache. You need a tool that knows these slabs automatically.
How to Use Our Electricity Bill Calculator
Our tool is designed for the “Aam Aadmi”—simple, fast, and accurate. You don’t need a degree in electrical engineering to use it.
Step 1: Enter Your Connection Details Select your State and Distribution Company (Discom). For example, if you are in Bengaluru, you might select ‘Karnataka – BESCOM’.
Step 2: Select Your Category Are you checking for your home? Select ‘Domestic’. If you run a small kirana shop or a xerox centre, select ‘Commercial’. Rates for commercial shops are usually double that of homes!
Step 3: Input Your Load & Consumption
- Sanctioned Load: usually 1kW to 5kW for homes.
- Units Consumed: Check your meter reading. If last month the reading was 1500 and today it is 1750, you have consumed 250 units.
Step 4: The Magic Result Hit the calculate button. The tool breaks down the cost:
- Energy Charge: The cost of electricity you used.
- Fixed Charge: The rent you pay just for having the connection (even if usage is zero).
- Electricity Duty: The tax aimed at the state government.
Shankaran Pillai’s Savings Experiment
Let’s go back to Shankaran Pillai in Kallakurichi.
Last month, his bill was shocking—₹3,200. He decided to use our calculator to see where he went wrong. He realized he had consumed 520 units. He noticed that just by crossing the 500-unit slab, he was pushed into a much higher tariff bracket.
The Fix: This month, he was careful. He switched off the main switch of the TV when not in use (those red standby lights consume power!) and set his AC timer to turn off at 3 AM.
- New Consumption: 480 Units.
- New Bill: ₹2,100 (approx).
By reducing just 40 units, he didn’t just save the cost of those units; he saved himself from the higher slab rate applicable to the whole bill. That is a saving of ₹1,100—enough to buy a decent monthly grocery refill!
5 Desi Hacks to Lower Your Bill (That Actually Work)
- The “24 Degrees” Golden Rule: Don’t run your AC at 18°C. It won’t cool the room faster; it just makes the compressor work overtime. Set it to 24°C. According to the Bureau of Energy Efficiency (BEE), every degree you increase saves about 6% electricity.
- Go for BLDC Fans: Old ceiling fans consume 75-80 Watts. The new BLDC (Brushless DC) fans consume only 28-30 Watts. If you have 3 fans running for 10 hours a day, swapping them can save you nearly ₹1,500 – ₹2,000 a year.
- The “Vampire” Appliances: Your microwave, set-top box, and stabilizers consume power even when “off” but plugged in. Unplug them from the socket.
- BEE Star Labels Matter: When buying a new fridge or AC, don’t just look at the price tag. A 5-Star AC might cost ₹5,000 more upfront, but it will save you ₹15,000 in bills over 3 years. That’s pure profit.
- Use Natural Light: Indian homes are blessed with sunlight. Open the curtains! Don’t switch on the tubelight at 4 PM.
Final Thoughts: Be Smart, Not Stingy
Saving electricity isn’t about sitting in the dark or sweating in the heat. It is about being smart with your usage. Using an Electricity Bill Calculator helps you stay within your budget.
So, go ahead, check your estimated bill right now. If Shankaran Pillai can master it, so can you!
Disclaimer: Tariffs vary by state and are subject to change by regulatory commissions. This calculator provides an estimate based on current slab rates.