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Electricity Bill & Slab Calculator

Estimate your monthly power bill instantly. Choose state tariff presets, specify fixed costs, and view slab-wise consumption breakdowns.

Consumption & Tariff Inputs

Tariff Slab Configuration (Per Unit)

Monthly Bill Estimate

Estimated Total Payable ₹0
Energy Charges (Slab Total) ₹0.00
Fixed Monthly Charges ₹0.00
Electricity Tax / Duty ₹0.00
Slab-wise Energy Cost Contribution
Slab 1: ₹0
Slab 2: ₹0
Slab 3: ₹0
Slab 4: ₹0

How Residential Electricity Bills Are Calculated (Slabs & Subsidies)

Electricity bills for residential consumers in India are not calculated using a single flat rate. Instead, power distribution companies (DISCOMs) use a **telescopic slab system**. Under this system, the unit rate increases as your total electricity consumption increases. This encourages energy conservation but makes manual calculations complex.

Additionally, state governments offer varying subsidy schemes. For instance, the Delhi government offers a 100% subsidy for usage up to 200 units and a 50% discount up to ₹800 for usage between 201 and 400 units. Our **Electricity Bill Calculator** automates this complex calculation for major states including Delhi, Maharashtra, and Uttar Pradesh.

Components of Your Electricity Bill

Your monthly utility bill consists of three main components:

  • Energy Charges: The cost of the actual power consumed, calculated by multiplying units (kWh) consumed by the respective slab rates.
  • Fixed Charges: A flat fee charged based on the sanctioned load of your meter connection (expressed in kW).
  • FPPCA & Taxes: Fuel Price and Power Purchase Adjustment (FPPCA) charges along with state electricity duty taxes.

State-wise Billing Rules & Slabs

  • Delhi (BYPL/BRPL/NDMC): Slabs: 0-200 (₹3.00), 201-400 (₹4.50), 401-800 (₹6.50), 800+ (₹8.00). Offers full subsidy below 200 units.
  • Maharashtra (MSEDCL/Adani): Slabs: 0-100 (₹5.36), 101-300 (₹9.90), 301-500 (₹13.90), 500+ (₹16.50). Fixed charges average ₹125/month.
  • Uttar Pradesh (UPPCL Rural/Urban): Slabs: 0-150 (₹5.50), 151-300 (₹6.00), 301-500 (₹6.50), 500+ (₹7.00). Fixed charges average ₹110/kW.

How to Read a Meter

To check your consumption, look for the reading marked kWh (Kilo-Watt Hour) on your digital meter. Subtract your last month's reading from the current reading to calculate the units consumed.

Frequently Asked Questions (FAQ)

Q1. What is a "sanctioned load" on my electricity bill?

Sanctioned load is the maximum power capacity allocated to your home by the electricity board (e.g. 2kW, 5kW). Exceeding this load can attract penalties on your bill.

Q2. What is telescopic billing?

Telescopic billing means you pay higher rates only for the units that cross into the next slab, not for your entire consumption. For example, if you consume 250 units, the first 200 units are charged at Slab 1 rates, and only the remaining 50 units are charged at Slab 2 rates.

Q3. Why does my bill include FPPCA charges?

FPPCA stands for Fuel Power Purchase Cost Adjustment. It is a variable charge added to compensate DISCOMs for fluctuations in coal and fuel prices.

Q4. How can I lower my residential electricity bill?

Switching to 5-star rated LED lighting and inverter AC units reduces consumption. Additionally, keeping your overall usage below the 200/400 unit slab thresholds can unlock state subsidies.