Bihar Electricity Bill Calculator
(NBPDCL / SBPDCL (Bihar State Power Holding Company subsidiaries))
Estimate your monthly electricity bill in Bihar using official tariff rates across domestic, commercial, industrial and agriculture connection categories.
Optional — a known flat subsidy/rebate to deduct from the total
Estimated Monthly Bill
Domestic Rural · Bihar⚡ 200 units this month · avg rate ₹3.42/unit
Mukhyamantri Vidyut Upbhokta Sahayata Yojana (Har Ghar Bijli): first 125 units/month free (energy charge, fixed charge and duty all waived on that portion). Only units above 125 are billed, at ₹7.42/unit — the free block is not lost once you cross the threshold.
NBPDCL / SBPDCL (Bihar State Power Holding Company subsidiaries) · BERC (Bihar Electricity Regulatory Commission)
View the tariff source ↗⚠️ Bihar's rates have not been re-checked against its current tariff order yet. Treat this as a rough estimate, compare it with your latest bill, and use Customize to correct any rate.
Electricity Bill Calculator by State
Every Indian state and UT sets its own tariff order — pick yours below to open the calculator with that state already selected.
Electricity Tariff in Bihar
NBPDCL / SBPDCL (Bihar State Power Holding Company subsidiaries) is Bihar's electricity distribution utility, regulated by BERC (Bihar Electricity Regulatory Commission), which sets tariffs across 5 connection categories — domestic, commercial, industrial, agriculture and others — each with its own slab structure and electricity duty rate.
View Bihar's official tariff order ↗
Domestic Tariff Slabs — Domestic Rural
| Slab (units) | Rate |
|---|---|
| 0 – 125 | ₹0 / unit |
| 126 – above | ₹7.42 / unit |
Billing type: Telescopic · Meter rent: ₹25 · Electricity duty: 6% · FAC: ₹0.15/unit
⚠️ Bihar's rates have not been re-checked against its current tariff order yet. Treat this as a rough estimate and compare it with your latest bill.
How to Use This Calculator
- Step 1 — Connection Category: Bihar is pre-selected; choose Domestic, Commercial, Industrial, Agriculture or another category — each has its own slab structure and duty rate.
- Step 2 — Monthly Units: Enter the kWh figure from your last bill to see the slab-wise breakdown instantly.
- Step 3 — Fine-tune: For categories billed per kW of sanctioned load, enter your actual contracted load, or open "Customize Tariff & Charges" to match your exact bill.
Frequently Asked Questions
What are the domestic electricity tariff slabs in Bihar?
Under Domestic Rural (NBPDCL / SBPDCL (Bihar State Power Holding Company subsidiaries)), telescopic billing applies across 2 slabs, from ₹0/unit for the first 125 units up to ₹7.42/unit for the highest slab.
What is the electricity duty in Bihar?
For Domestic Rural in Bihar, electricity duty is charged at 6% of the energy charge. Other connection categories in the state can have a different duty rate — switch categories in the calculator above to see each one.
Is electricity billing telescopic or non-telescopic in Bihar?
Bihar's Domestic Rural category uses telescopic billing. That means each unit is charged at the rate of the slab it falls into — only the portion above a threshold is billed at the higher rate, not your entire consumption.
Which DISCOM supplies electricity in Bihar?
NBPDCL / SBPDCL (Bihar State Power Holding Company subsidiaries), regulated by BERC (Bihar Electricity Regulatory Commission), is the distribution utility whose tariff order this calculator uses.
Tariff data compiled from Bihar's official DISCOM/regulator tariff order — verify against your own bill before making financial decisions.