FY 2025-26 · State DISCOM tariff

Bihar Electricity Bill Calculator

Estimate your monthly electricity bill in Bihar using current slab tariffs. Enter your units consumed to see the exact bill with a slab-wise breakdown, including the ₹110 fixed monthly charge.

₹660Bill at 100 units
₹2068Bill at 300 units
₹110Fixed charge/month
4tariff slabs

Calculate Your Bihar Electricity Bill

Your bill is charged in tiers: higher usage moves into higher-rate slabs. A ₹110 fixed charge applies each month.

Bihar Electricity Slab Rates (2025-26)

Units ConsumedRate per unit
First 100 units₹5.50/unit
101–200 units₹6.65/unit
201–300 units₹7.45/unit
Above 300 units₹7.45/unit
Fixed charge (per month)₹110

Bihar Electricity Bill , Sample Amounts

Monthly UsageApprox. Bill (incl. fixed charge)
100 units₹660
300 units₹2,068
500 units₹3,558
1000 units₹7,283

Estimates exclude fuel-cost adjustment, electricity duty and taxes, which vary by DISCOM and billing cycle.

About Electricity Distribution in Bihar

Distribution: South Bihar Power Distribution Co. & North Bihar Power Distribution Co. Regulator: BERC (Bihar Electricity Regulatory Commission) State Capital: Patna Fixed Charge: ₹110/month (single-phase up to 5 kW) Fuel Charges: Fuel and Power Purchase Cost surcharge applicable Tariff Year: FY 2025-26

Frequently Asked Questions , Bihar Electricity Bill

What is the current electricity rate in Bihar?
The residential tariff in Bihar is set by BERC (Bihar Electricity Regulatory Commission). The current slabs range from ₹5.50/unit (first slab) to ₹7.45/unit (highest slab). Fixed charge: ₹110/month (single-phase up to 5 kW).
Which is the electricity board in Bihar?
The electricity distribution in Bihar is handled by <strong>South Bihar Power Distribution Co. & North Bihar Power Distribution Co.</strong> under the regulatory oversight of BERC (Bihar Electricity Regulatory Commission).
How is the electricity bill calculated in Bihar?
Your bill = Energy charges (units × applicable slab rate) + Fixed charge (₹110/month (single-phase up to 5 kW)). Slabs are progressive , only units in each band attract that band's rate. Fuel and Power Purchase Cost surcharge applicable.
What is the fixed charge in Bihar electricity bill?
The fixed/demand charge is ₹110/month (single-phase up to 5 kW). This is payable every month regardless of consumption and covers grid maintenance costs.
Are there free units in Bihar?
High fixed charges , ensure bills are paid even at low consumption. Always check with your local SBPDCL / NBPDCL office or the BERC (Bihar Electricity Regulatory Commission) website for the latest subsidy schemes.