NBPDCL Bill Calculator 2026 — North Bihar

Get an instant, itemised NBPDCL electricity bill for North Bihar. Below you'll find NBPDCL's 2026-27 slab rates, fixed charges, an indicative monthly bill and a quick link to pay on the official portal.

North Bihar Power Distribution Company Ltd.
Service area: North Bihar (Muzaffarpur, Darbhanga, Begusarai, Bhagalpur, Purnia, etc.)
2026-27North Bihar

Tariffs last updated: 17 July 2026

Official NBPDCL source ↗

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NBPDCL quick links

NBPDCL at a glance

Distribution companyNorth Bihar Power Distribution Company Ltd.
Short nameNBPDCL
State / UTBihar
Service regionNorth Bihar
Districts / cities served6+ — Muzaffarpur, Darbhanga, Begusarai, Bhagalpur, Purnia, etc.
Tariff year2026-27
Rates statusBased on the 2026-27 tariff order (latest published data we have)
Domestic energy rate₹7.42 per unit
Official websitewww.nbpdcl.co.in ↗

Areas served by NBPDCL

NBPDCL (North Bihar Power Distribution Company Ltd.) distributes electricity across North Bihar, serving 6 key districts and towns including Muzaffarpur, Darbhanga, Begusarai, Bhagalpur and more.

MuzaffarpurDarbhangaBegusaraiBhagalpurPurniaetc.

Indicative monthly bill — NBPDCL

Estimated total monthly bill for a domestic (LT Domestic (DS)) connection at a 2 kW sanctioned load, computed with the same engine as our calculator. Actual bills vary with your sub-category, fixed/fuel charges and local duties.

Monthly consumptionEstimated bill
100 units₹799
200 units₹1,578
300 units₹2,357
500 units₹3,916

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NBPDCL tariff schedule (2026-27)

NBPDCL applies the same state-wide 2026-27 tariff schedule as the other Bihar DISCOMs (set by the state regulator). What differs by company is the service area, billing portal and contact details below.

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LT Domestic (DS)

Kutir Jyoti (BPL)

Below-poverty-line households under the Kutir Jyoti scheme. Flat ₹7.42/unit with a fixed charge of ₹20 per connection per month.

Fixed charge
₹20 / month (flat)
Energy charges
Above 0 units₹7.42/unit
Additional charges
  • Electricity Duty5%
DS-I (Rural)

Rural domestic supply. Flat ₹7.42/unit; fixed charge ₹40/kW/month on sanctioned load.

Fixed charge
₹40 / kW / month
Energy charges
Above 0 units₹7.42/unit
Additional charges
  • Electricity Duty5%
DS-II (Urban / demand based)

Urban domestic supply, demand based. Flat ₹7.42/unit; fixed charge ₹80/kW/month on sanctioned load.

Fixed charge
₹80 / kW / month
Energy charges
Above 0 units₹7.42/unit
Additional charges
  • Electricity Duty5%
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LT Non-Domestic (NDS)

NDS-I (Rural, metered)

Rural non-domestic/commercial supply. Billed on kVA demand and kVAh energy: flat ₹7.79/kVAh, fixed ₹60/kVA/month. A poor power factor raises the bill directly.

Fixed charge
₹60 / kVA / month
Energy charges
Above 0 units₹7.79/unit
Additional charges
  • Electricity Duty5%
NDS-II (contract load up to 0.5 kW)

Small non-domestic connections up to 0.5 kW contract load — kiosks, small shops. Flat ₹7.73/unit; fixed charge ₹150 per connection per month (cut from ₹200 in the FY 2026-27 order).

Fixed charge
₹150 / month (flat)
Energy charges
Above 0 units₹7.73/unit
Additional charges
  • Electricity Duty5%
NDS-II (above 0.5 kW, up to 70 kW)

Non-domestic/commercial supply above 0.5 kW and up to 70 kW contract demand. Billed on kVA demand and kVAh energy: flat ₹7.73/kVAh, fixed ₹300/kVA/month.

Fixed charge
₹300 / kVA / month
Energy charges
Above 0 units₹7.73/unit
Additional charges
  • Electricity Duty5%

Understand your NBPDCL bill

New to these charge lines? Our electricity bill glossary explains the terms on a NBPDCL bill in plain language — including FPPA (fuel surcharge), fixed charges, slab-wise rates, sanctioned load, electricity duty.

Guides for NBPDCL consumers

Browse all guides →

Other DISCOMs in Bihar

Frequently asked questions

How do I calculate my NBPDCL electricity bill?
Open the NBPDCL bill calculator, enter your units consumed and sanctioned load, and it applies the 2026-27 NBPDCL slab rates, fixed charge and other charges to produce an itemised provisional bill.
Which areas and cities does NBPDCL serve?
NBPDCL (North Bihar Power Distribution Company Ltd.) supplies electricity to North Bihar — Muzaffarpur, Darbhanga, Begusarai, Bhagalpur, Purnia, etc..
What is the cheapest domestic electricity rate on NBPDCL?
NBPDCL's domestic energy charge starts at ₹7.42 per unit and rises to ₹7.42 per unit in the highest slab (LT Domestic (DS)), plus a monthly fixed charge (latest available estimate). The full slab table is above.
How do I pay my NBPDCL electricity bill online?
Pay on the official NBPDCL portal at www.nbpdcl.co.in. Use this page first to check what your bill should be, then pay on the authentic source.

Figures are provisional estimates built on publicly available Bihar tariff orders. Always verify against your official NBPDCL bill — rates vary by sub-category, slab and city.