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Electricity Suite

BESCOM Bill Calculator — Karnataka

Karnataka domestic bill estimator with flat energy rates, fixed charges, true-up surcharges, and Gruha Jyothi toggle.

Live 2026 Data
Energy Charges ₹5.80 / kWh Flat
Fixed Charges ₹145 / kW
Electricity Duty 9.0%
Subsidy Scheme Gruha Jyothi Active

1. Enter Configuration Parameters

Frequently Asked Questions (FAQ)

Why did Karnataka BESCOM shift to a flat rate?

To simplify domestic tariffs (LT-2A), KERC merged slabs into a single flat rate of Rs. 5.80/unit. Fixed capacity charges were also adjusted to Rs. 145/kW to cover grid maintenance costs.

What are the surcharges on the BESCOM bill?

The surcharges include a pension & gratuity surcharge of 35 paise/unit, a quarterly variable Fuel Cost Adjustment (FPPCA), and a specific true-up charge of 56 paise/unit approved by KERC.

Does Gruha Jyothi cover fixed charges and surcharges?

Gruha Jyothi waives the energy charges and capacity fixed charges for consumption up to 200 units. Any consumption exceeding 200 units renders the customer ineligible for the waiver in that month.

Why did my BESCOM bill go up in May 2026 even though I used the same units as April?

KERC approved a true-up charge of 56 paise per unit on BESCOM bills, effective May 1, 2026 through April 30, 2027, to recover a revenue shortfall of roughly Rs. 2,000 crore from FY2024-25. It shows up as a separate FY25 True-Up Charges line.

Is the state electricity duty or tax added to the BESCOM bill?

Yes, a standard state electricity duty of 9% is applied to the cumulative total of your energy charges, fixed capacity charges, and all surcharges.

How is the sanctioned load capacity calculated on my bill?

Sanctioned load is the maximum power capacity in kilowatts (kW) approved for your home. Fixed capacity charges are calculated as Rs. 145 multiplied by your sanctioned load in kW.

Can I check my historical BESCOM bills to verify my Gruha Jyothi entitlement?

Yes, your average consumption of FY 2022-23 (plus 10% bonus) determines your customized Gruha Jyothi entitlement. You can check this average on the official BESCOM portal or your monthly bill statement.

About This Calculator

Target Audience: General users looking for fast, accurate calculations

What Does This Calculator Do?

This calculator estimates residential electricity bills for Bangalore Electricity Supply Company (BESCOM) and other Karnataka consumers. It applies the latest monthly tariff slabs, fixed charges, and the 6% electricity duty.

How to Use It

  1. Monthly Units: Enter your monthly unit consumption (kWh).
  2. Sanctioned Load: Enter your sanctioned load in kW (typically 2 kW to 5 kW for apartments).
  3. Gruha Jyothi Scheme: Check if you are enrolled in the Gruha Jyothi scheme (which provides free power up to a calculated average).

The Logic Explained Simply

  • The Concept: Karnataka bills consumers monthly. BESCOM uses a progressive tariff structure where fixed charges are linked to your sanctioned load.
  • The Formula:
  • Slab rates:
  • 0-100 units: ₹2.85/unit
  • 101-200 units: ₹4.50/unit
  • 201-300 units: ₹6.00/unit
  • 300+ units: ₹8.15/unit
  • Fixed Charge = Sanctioned Load (kW) × ₹110/kW
  • Electricity Duty = (Energy Charges + Fixed Charges) × 6%

Real-World Calculation Breakdown

If you consume 250 units in Bangalore with a 3 kW sanctioned load:

  1. Energy Charges:
  • First 100 units = 100 × ₹2.85 = ₹285
  • Next 100 units = 100 × ₹4.50 = ₹450
  • Remaining 50 units = 50 × ₹6.00 = ₹300
  • Total Energy = ₹285 + ₹450 + ₹300 = ₹1,035
  1. Fixed Charges: 3 kW × ₹110 = ₹330
  2. Subtotal: ₹1,035 + ₹330 = ₹1,365
  3. Electricity Duty (6%): ₹1,365 × 6% = ₹81.90
  4. Total BESCOM Bill: ₹1,365 + ₹81.90 = ₹1,446.90.

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