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Bihar Electricity Bill Calculator

Bihar electricity bill calculator for NBPDCL & SBPDCL based on published tariff schedules; verify against your bill. BERC slabs, fixed charges, and duty.

Calculate Your Bill

NBPDCL (North Bihar), SBPDCL (South Bihar) • Monthly Cycle

BR Tariff
For monthly period
Units
Presets:
Connected capacity
Estimated Total Bill Monthly
Net Amount Payable
₹1,419
Effective Rate: ₹5.68 / unit
Base Energy Charges: ₹1,243
Fixed / Demand Charges: ₹40
Electricity Duty (6%): ₹79
Fuel Surcharge (FAC): ₹38

State government provides direct subsidy to DISCOMs resulting in effective lower unit rates.

Bihar Tariff Slab Schedule (FY 2026-27)

Published domestic (LT-1) telescopic rates and application rules

Cycle: Monthly
Consumption Tier (Units) Rate (₹/kWh) Billing Basis Application & Policy Details
0 – 100 units ₹4.27 Telescopic Slab Applied progressively to units consumed within the 0 – 100 units bracket.
101 – 200 units ₹5.12 Telescopic Slab Applied progressively to units consumed within the 101 – 200 units bracket.
Above 201 units ₹6.07 Telescopic Slab Applied progressively to units consumed within the Above 201 units bracket.
Fixed Charges: ₹40/kW per month connected load
Electricity Duty: 6% statutory state electricity duty
Meter Rent: ₹20/month standard utility meter fee
Tariff Schedule Notice: Tariff rates, telescopic slab thresholds, and fixed demand charges displayed in this table are representative figures based on general published regulatory structures. They may not reflect the exact active tariff order, recent fuel surcharge adjustments (FPPCA/FAC), or seasonal revisions in your distribution circle. Please check your physical DISCOM bill or verify with your local utility (NBPDCL (North Bihar), SBPDCL (South Bihar)) for exact applicable charges.

How Bihar (NBPDCL (North Bihar)) Bills You

Understanding slabs, billing cycles, subsidies, and non-tariff exclusions

Electricity in Bihar is distributed and billed by NBPDCL (North Bihar), SBPDCL (South Bihar) under regulatory tariff schedules set by the State Electricity Regulatory Commission. Domestic residential consumers fall under the subsidized LT-1 tariff category, which uses a telescopic slab structure.

Under this system, the billing cycle is monthly. Telescopic billing ensures that your total consumption is split across successive brackets: lower units are billed at foundational rates starting at ₹4.27/unit, while higher rates apply only to additional units in subsequent tiers.

State government provides direct subsidy to DISCOMs resulting in effective lower unit rates.

Worked Example: 250 Units Bill Calculation

Detailed walk-through of how telescopic slabs and charges are applied

Illustrative Scenario

Standard household in Bihar consuming 250 units

Total Units 250 Units (monthly)
• Base Energy Charges: ₹1243
• Fixed Demand Charges: ₹40
• Fuel Surcharge Adjustment (FSA/FAC): ₹38
• Meter Rent: ₹20
• State Electricity Duty (6%): ₹79
• Net Estimated Payable: ₹1420
Illustrative Note: Based on published FY 2026-27 regulatory schedules for Bihar. Verify your official statement with your local DISCOM.

Frequently Asked Questions (Bihar Electricity)

Common consumer questions on rates, slabs, cycles, and subsidies

How to calculate SBPDCL / NBPDCL light bill in Bihar?
Enter your units in our Bihar electricity bill calculator to apply BERC slabs: 0-100 units @ ₹4.27, 101-200 units @ ₹5.12, >200 units @ ₹6.07 plus ₹40/kW fixed charge.
How does smart prepaid meter deduction work in Bihar?
For consumers with smart prepaid meters under SBPDCL/NBPDCL, the daily billing deduction is calculated by dividing monthly fixed charges by 30 and adding daily kWh energy consumption at the applicable slab rate.
Is BSEB still Bihar's electricity board?
No — BSEB (Bihar State Electricity Board) was unbundled in November 2012 into Bihar State Power Holding Company Limited (BSPHCL), which holds two billing subsidiaries: North Bihar Power Distribution Company (NBPDCL) and South Bihar Power Distribution Company (SBPDCL). Most consumers and search engines still refer to it as BSEB out of habit.
How is the electricity bill calculated from a meter reading in Bihar?
Subtract your previous meter reading from your current reading to determine total units consumed. Allocate units across Bihar's progressive slabs, add monthly fixed demand charges (if applicable), apply fuel adjustment surcharges, and add state electricity duty.
What is the billing cycle in Bihar?
Electricity in Bihar is billed on a monthly cycle (bills generated every month / 30 days) by NBPDCL (North Bihar), SBPDCL (South Bihar).
What is the difference between domestic and commercial tariffs in Bihar?
Residential domestic connections receive subsidized telescopic slab rates starting at ₹4.27/unit, whereas commercial shops and establishments are billed under separate non-domestic commercial tariff schedules with higher fixed demand fees.
How do I view or pay my official Bihar electricity bill online?
Official bill payments, payment history, and connection inquiries can be accessed directly at the official NBPDCL (North Bihar) consumer portal (http://www.sbpdcl.co.in) or by calling the toll-free electricity helpline at 1912.

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Calculated and published by the ElectricityBillCalc.com Editorial & Energy Research Team. Read our Calculation Methodology & Regulatory Data Sources.

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