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ElectricBillTool India's Bill Calculator
Bihar • Effective 2025-04-01

NBPDCL Electricity Bill Calculator

Independent estimator for North Bihar Power Distribution Company Ltd. (also known as North Bihar Power). Estimate your bill using the official slab structure, FAC, duty and fixed charges — domestic, commercial and industrial. We do not display or pay your actual bill — for that, visit the official DISCOM portal.

Independent third-party calculator — not affiliated with any DISCOM, electricity board or government body.

electricbilltool.com is an independent estimator. We do not display, fetch, or pay your actual bill, and we do not ask for any consumer / account number, OTP, or login details. To view or pay your actual NBPDCL bill, visit the official portal at nbpdcl.co.in.

Just want the NBPDCL per-unit rate?

See ₹6.10/unit (slab 1) → ₹8.05/unit (top slab) plus FAC, fixed & duty — without a full bill run.

Unit rates

NBPDCL Domestic Slab Rates

Effective 2025-04-01. Energy charge structure.

Slab (units / month) Energy rate (₹/unit)
1 – 100 ₹6.10
101 – 200 ₹6.95
Above 200 ₹8.05
Fixed charges
₹100/kW/mo
FAC / FPPCA
₹0.35/unit
Electricity duty
6%
Telescopic
Yes

Commercial (LT) Rates

Slab (units / month) Energy rate (₹/unit)
1 – 100 ₹6.40
Above 100 ₹7.70
Fixed charges
₹200/kW/mo
FAC / FPPCA
₹0.35/unit
Electricity duty
6%
Telescopic
Yes

Industrial (LT) Rates

Slab (units / month) Energy rate (₹/unit)
Above 0 ₹6.70
Fixed charges
₹250/kW/mo
FAC / FPPCA
₹0.35/unit
Electricity duty
6%
Telescopic
No

Sample NBPDCL domestic bills (2026)

Based on a 3 kW sanctioned-load domestic connection. Excludes subsidy. Use the calculator above for exact numbers with your own load and subsidy.

Bill for 100 units

₹1,002

avg ₹10.02/unit

Bill for 150 units

₹1,389

avg ₹9.26/unit

Bill for 200 units

₹1,776

avg ₹8.88/unit

Bill for 250 units

₹2,221

avg ₹8.88/unit

Bill for 300 units

₹2,666

avg ₹8.89/unit

Bill for 400 units

₹3,556

avg ₹8.89/unit

Bill for 500 units

₹4,447

avg ₹8.89/unit

Bill for 750 units

₹6,673

avg ₹8.90/unit

Bill for 1000 units

₹8,899

avg ₹8.90/unit

About NBPDCL (North Bihar Power)

North Bihar Power Distribution Company Ltd. is the distribution licensee serving Bihar — official site linked below. It is also commonly searched as North Bihar Power — all these names refer to the same DISCOM. Consumers are billed monthly (bi-monthly in some categories) based on metered units, applicable slab rates, and fixed charges that scale with your sanctioned load.

This page stays synced with the latest tariff order from the state regulator. Every quarter we verify rates against the published order and update accordingly. Last verified: 2026-04-22.

Official website: nbpdcl.co.in

NBPDCL — Common Questions

Answers to the most common electricity bill questions in India.

What are the latest NBPDCL tariff rates?
As per the tariff order effective 2025-04-01, NBPDCL domestic slabs range from ₹6.10/unit to ₹8.05/unit. Fixed charges: ₹100/kW/month. See the full table on this page.
How do I calculate my NBPDCL bill?
Enter your units (or previous/current meter readings), select domestic/commercial/industrial, and enter your sanctioned load. The tool applies NBPDCL's telescopic slab structure, adds fixed charges, FAC, electricity duty and any applicable subsidy — identical to the method on your bill.
Does NBPDCL use telescopic billing?
For domestic consumers, NBPDCL uses telescopic billing. This means only the units within each slab are charged at that slab's rate.
What is the electricity duty in Bihar?
Bihar levies an electricity duty of 6% on domestic bills, calculated on the energy + fixed + FAC base unless noted otherwise.
How do I view or estimate my NBPDCL bill online?
To view or pay your actual NBPDCL bill, log in to the official NBPDCL consumer portal at nbpdcl.co.in with your consumer / account number — only the official portal can show your real bill. To estimate the bill amount using the official slab structure, enter your units in the independent calculator above. NBPDCL is also commonly searched as North Bihar Power.
Is North Bihar Power the same as NBPDCL?
Yes. North Bihar Power is alternate name commonly used for North Bihar Power Distribution Company Ltd. (NBPDCL). All this terms refer to the same distribution licensee in Bihar, and this calculator covers it.