Electricity Bill Calculator 2026 — All 28 States & 8 Union Territories

The BillUnits.in Electricity Bill Calculator is India’s most comprehensive free online electricity bill calculator, covering all 28 states and 8 union territories. Calculate your estimated monthly electricity bill in seconds using the latest tariff rates approved by your state’s electricity regulatory commission. Select your state below to load its current rates.

Whether you are a residential consumer in Tamil Nadu paying TANGEDCO bills, a commercial establishment in Maharashtra dealing with MSEDCL tariffs, a household in Delhi enjoying the government’s free electricity subsidy, or an industrial unit in Karnataka under BESCOM — this calculator gives you an instant, estimate slab-wise breakdown of your electricity bill.

India’s electricity billing system uses a progressive slab tariff structure where higher consumption is charged at higher rates per unit. Understanding your bill helps you manage consumption intelligently, verify billing accuracy, and take advantage of government subsidy schemes. Our calculator includes all charge components — energy charges, fixed charges, fuel adjustment charge (FAC), electricity duty, and meter rent — to give you the complete picture of your monthly electricity cost.

Electricity bills in India are calculated based on slab rates defined by regulatory authorities like Central Electricity Authority (CEA). You can also check your energy usage using our Power Consumption Calculator.

Simply select your state, choose your connection type, enter your sanctioned load and units consumed — and get your complete bill breakdown instantly. No registration required. 100% free.

Disclaimer: The calculated electricity bill is an estimated amount based on standard tariff slabs and input values. Actual billing may vary depending on your electricity provider, meter readings, fixed charges, taxes, subsidies, and official tariff revisions. Please refer to your official electricity board bill for the final payable amount.

How to Calculate Your Electricity Bill Using BillUnits.in

Follow these five simple steps to calculate your accurate electricity bill for any Indian state:

Step 1 — Select Your State

Click the state dropdown and select your state from all 36 Indian states and union territories. The calculator automatically loads the latest tariff rates for your selected state, approved by your state’s electricity regulatory commission (SERC).

Step 2 — Choose Your Connection Type

Select your connection category — Residential (domestic), Commercial, Industrial, or Agricultural. Each category has a different tariff structure. Most households should select Residential. If you are unsure, check your electricity bill — the consumer category is printed on it.

Step 3 — Enter Your Sanctioned Load

Enter your sanctioned connected load in kilowatts (kW). This is the maximum load permitted on your connection — you can find this on your electricity bill or service connection order. For most single-phase domestic connections, this is typically 1–5 kW.

Step 4 — Enter Units Consumed

Enter the total units (kWh) consumed during the billing period. You can find this on your electricity bill as ‘Units Consumed’ or ‘Present Reading minus Previous Reading’. If you have a smart meter, you can also read the current consumption directly.

Step 5 — Get Your Instant Bill Breakdown

Click the Calculate button to get your complete electricity bill breakdown — showing energy charges for each slab, fixed charges, fuel adjustment charge, electricity duty, meter rent, applicable subsidies, and the total amount payable. The result matches your actual DISCOM bill within ±2% accuracy.

Electricity billing is based on units consumed (kWh) and tariff slabs. Official tariff structures can be verified from state electricity boards.

How Electricity Billing Works in India — The Complete Guide

India’s electricity sector is governed by the Electricity Act, 2003, which established a framework for regulated, transparent electricity distribution across the country. Under this Act, each state has an independent electricity regulatory commission — called the State Electricity Regulatory Commission (SERC) — responsible for setting tariff rates for that state.

The Progressive Slab Tariff System

Every Indian state uses a progressive slab tariff system for residential electricity billing. This means your total monthly consumption is divided into consumption bands (slabs), and each slab is charged at a progressively higher rate. The philosophy behind this system is social equity — low-consumption households (often lower-income) pay lower rates, while high-consumption households pay more.

For example, a consumer using 250 units in a month is billed in stages: the first block of units at the lowest slab rate, the next block at a higher rate, and so on. Only the units that fall inside each slab are charged at that slab’s rate — crossing into a higher slab does not re-price your earlier units. Your fixed charges, fuel adjustment charge (FAC), electricity duty and meter rent are then added on top. The calculator above shows this exact breakdown for your chosen state.

Who Sets Electricity Rates in India?

Electricity tariffs in India are not set by DISCOMs (distribution companies) directly. Each DISCOM submits an Annual Revenue Requirement (ARR) petition to its state’s regulatory commission. The commission conducts public hearings — where consumers can also participate — and then approves or modifies the tariff petition. This regulated process ensures tariffs are set transparently and in the public interest.

The Central Electricity Regulatory Commission (CERC) governs inter-state transmission and wholesale power markets, while State Electricity Regulatory Commissions (SERCs) govern retail distribution tariffs within each state.

Electricity Bill Calculators by States

Tariffs differ by state, consumer category, and slab, and are revised periodically by each State Electricity Regulatory Commission. Rather than list rates that may change, we maintain a dedicated, regularly-updated calculator for each state — select yours below for its current verified rates and a full bill breakdown.

Looking for Uttar Pradesh specially? Use our dedicated UPPCL Electricity Bill Calculator for retailed UPERC slab rates, Urban?Rural variants, and a full bill breakdown.

All States Electricity Tariff Comparison 2026-27

Residential electricity tariffs vary significantly across India, since each state’s regulatory commission sets its own rates. The table below shows verified lowest and highest slab rates for 12 major states. We’re adding the remaining states and union territories phase-wise as each tariff order is independently verified — use the calculator above for any state not yet listed here.

*Gujarat, Rajasthan, Telangana, and Delhi energy slab rates are confirmed; their fixed/demand charges involve load-banded or tiered structures not fully captured by a single figure — use the dedicated state calculator for an exact breakdown. Rates shown are for residential/domestic consumers only and exclude electricity duty, FAC, and meter rent unless otherwise noted. More states and union territories will be added to this table as each tariff order is independently verified. Source: BillUnits.in calculator engine, cross-checked against official SERC/DISCOM tariff orders per our Methodology and Data Sources pages.

Looking for Uttar Pradesh specifically? Use our dedicated UPPCL Electricity Bill Calculator for detailed UPERC slab rates, urban/rural variants, and a full bill breakdown.

What is Included in Your Indian Electricity Bill?

An Indian electricity bill is not just about the units you consumed. It includes several components that together make up your total payable amount. Understanding each component helps you verify billing accuracy and identify areas where you can reduce costs.

7 Proven Tips to Reduce Your Electricity Bill in India

Reducing your electricity bill requires a combination of behavioural changes, appliance upgrades, and awareness of government schemes. Here are seven evidence-based strategies that Indian consumers can implement immediately.

1. Switch to LED Lighting

Replace all incandescent and CFL bulbs with BEE 5-star rated LED bulbs. A 9W LED delivers the same brightness as a 60W incandescent bulb — saving 85% energy on lighting alone. The Government of India’s UJALA scheme offers LED bulbs at subsidised rates.

2. Use BEE 5-Star Rated Appliances

Air conditioners and refrigerators are the biggest electricity consumers in Indian homes. A BEE 5-star rated inverter AC uses up to 40% less electricity than a 3-star non-inverter model. Always check the Bureau of Energy Efficiency (BEE) star label before purchasing any appliance.

3. Install BLDC Motor Fans

Traditional ceiling fans consume 70–80 watts. BLDC (Brushless DC) motor fans consume just 28–35 watts — saving up to 55% on fan electricity. India has over 400 million ceiling fans, making this one of the highest-impact changes for domestic consumers.

4. Avail PM Surya Ghar Muft Bijli Yojana

The Government of India provides subsidies of up to ₹78,000 for rooftop solar installation under the PM Surya Ghar Muft Bijli Yojana scheme. Consumers installing a 3kW rooftop solar system can generate 300+ units per month — eliminating most of their electricity bill. Apply at pmsuryaghar.gov.in.

5. Monitor Your Consumption Slab

India uses a progressive slab tariff system — crossing a slab threshold significantly increases your rate per unit. Track your monthly consumption using your smart meter app or the BillUnits.in calculator to stay within lower-rate slabs where possible.

6. Use Appliances During Off-Peak Hours

Many states are introducing Time-of-Day (ToD) tariffs for smart meter consumers. Using heavy appliances like washing machines, dishwashers and water heaters between 11 PM and 6 AM can reduce your bill under ToD tariff structures.

7. Check Your Eligibility for Subsidies

Most Indian states offer subsidised electricity tariffs for BPL (Below Poverty Line) households, SC/ST families, and small farmers. Delhi provides 200 units free per month, Tamil Nadu provides 100 units free, and Telangana’s Gruha Jyothi scheme offers 101 units free. Verify your eligibility at your local DISCOM office.

Frequently Asked Questions — Electricity Bill Calculator India

Electricity Bill Calculators for All Indian States

BillUnits.in provides dedicated electricity bill calculators for all major Indian states with state-specific tariff rates, utility information, and detailed bill breakdowns. Select your state below for the most accurate results:

About BillUnits.in

BillUnits.in is India’s dedicated electricity bill calculator platform, built to help Indian consumers understand, verify, and manage their monthly electricity bills. We cover all 36 Indian states and union territories with regularly updated tariff data sourced directly from official State Electricity Regulatory Commission (SERC) tariff orders.

Our Data Sources

All tariff rates on BillUnits.in are sourced from official SERC tariff orders and DISCOM tariff schedules published on regulatory commission websites. We update our tariff database whenever a new tariff order is issued by any state regulatory commission. Our goal is to maintain the highest accuracy in electricity bill calculations for Indian consumers. Read more data-sources.

Accuracy and Disclaimer

The electricity bill calculations provided on BillUnits.in are estimates based on published tariff schedules. Actual bills may vary due to meter reading dates, billing cycle adjustments, special charges, arrears, or other factors specific to your DISCOM account. Always refer to your official electricity bill or contact your DISCOM for the exact payable amount. BillUnits.in is not affiliated with any electricity distribution company or government body.