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ElectricityBillcalc.com India Tariff Engine 2026
Home / DISCOMs / SBPDCL / NBPDCL
Bihar Official SERC Tariff 2025-26

SBPDCL / NBPDCL Electricity Bill Calculator

South Bihar Power Distribution & North Bihar Power Distribution Co. Ltd.. Bihar SBPDCL and NBPDCL domestic and commercial electricity power bill rate calculator.

Helpline 1912
Official Portal ↗
Updated FY 2025-26 Tariffs BR

Electricity Bill Calculator

Select state, enter consumption units or meter reading to estimate your power bill with a transparent tariff breakdown.

DISCOMs: NBPDCL (North Bihar), SBPDCL (South Bihar)
kWh
kW
State Scheme Info State government provides direct subsidy to DISCOMs resulting in effective lower unit rates.
Estimated Power Bill
₹0
Effective Rate
₹0.00 / unit
Slab Unit Allocation 250 kWh
Tariff Slabs Breakdown
Slab Range Units Rate Amount
Energy Charges (Slab Sum) ₹0.00
Fixed / Demand Charges (1 kW) ₹0.00
Fuel Adjustment Surcharge (FAC) ₹0.00
Electricity Duty (5%) ₹0.00
Meter Rent ₹0.00
Official Board Guide

SBPDCL / NBPDCL (South Bihar Power Distribution & North Bihar Power Distribution Co. Ltd.) Power Tariff & Calculation Guide 2026

SBPDCL / NBPDCL (South Bihar Power Distribution & North Bihar Power Distribution Co. Ltd.) is the primary electricity distribution utility company operating across Bihar. Responsible for supplying electricity to millions of domestic households, commercial establishments, agricultural pumps, and industrial facilities, SBPDCL / NBPDCL operates under the regulatory guidelines of the State Electricity Regulatory Commission.

Calculating your monthly power bill for SBPDCL / NBPDCL requires understanding progressive telescopic slab rates, fixed demand charges per kW of sanctioned load, fuel price adjustment surcharges (FAC / FPPPA), and state electricity duty tax (6%).

Our online sbpdcl / nbpdcl bill calculator simplifies this process by automatically fetching official FY 2025-26 SERC tariff slabs, allowing consumers to calculate reliable monthly bill estimates in under 5 seconds.

How to Check & Pay SBPDCL / NBPDCL Electricity Bill Online?

Step 1: Locate Consumer ID

Find your 10 to 12-digit Consumer Number (CA Number / Account ID) printed on your physical bill or SMS alert.

Step 2: Visit Portal / App

Go to official portal http://www.sbpdcl.co.in or use BBPS app (Google Pay, PhonePe, Paytm).

Step 3: Pay via UPI / Cards

Verify consumer name and bill amount, then pay instantly using UPI, NetBanking, Debit/Credit Cards.

SBPDCL / NBPDCL Domestic Tariff Slabs (FY 2025-26)

Consumption Slab (kWh Units) Slab Rate (₹/Unit) Fixed Charge (₹/kW/month) Electricity Duty %
0 - 100 units ₹4.27 ₹40/kW 6%
101 - 200 units ₹5.12 — —
Above 201 units ₹6.07 — —
Customer Support

SBPDCL / NBPDCL Helpline & Complaint Portal

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Toll-Free 24/7 Helpline: 1912
Official Online Portal: http://www.sbpdcl.co.in ↗

SBPDCL / NBPDCL Frequently Asked Questions (FAQ)

How to check SBPDCL / NBPDCL electricity bill online?

To check your SBPDCL / NBPDCL electricity bill online, visit the official portal at http://www.sbpdcl.co.in, enter your 10 to 12-digit Consumer Number (CA Number / Account ID), and click 'View Bill' to inspect your current bill amount, due date, and payment history.

How to calculate SBPDCL / NBPDCL electricity bill?

Enter your monthly units in our SBPDCL / NBPDCL calculator above. The tool automatically applies official Bihar State Electricity Regulatory Commission (SERC) tariff slab rates, fixed monthly demand charges, fuel surcharges (FAC), and state electricity duty.

What is the customer care helpline number for SBPDCL / NBPDCL?

You can reach SBPDCL / NBPDCL (South Bihar Power Distribution & North Bihar Power Distribution Co. Ltd.) customer service 24/7 at toll-free helpline number 1912 for bill complaints, meter faults, or power outage reports.

How much is 200 units of electricity under SBPDCL / NBPDCL?

For 200 units under SBPDCL / NBPDCL, your bill is calculated using initial domestic slab rates. If Bihar provides government subsidies (such as 200 free units schemes in Delhi or Karnataka), eligible registered consumers receive a zero bill.

Smart Feature

Appliance Electricity Estimator

Select your household appliances and usage hours to estimate total monthly units (kWh).

Estimated Monthly Energy
0 kWh/month
Air Conditioner (1.5 Ton Inverter) 1200W

Standard 1.5 Ton 5-Star / Inverter split AC (~1.2 kWh per hour).

Air Conditioner (1.5 Ton Non-Inverter) 1600W

Standard 1.5 Ton 3-Star non-inverter AC (~1.6 kWh per hour).

Ceiling Fan (Standard) 75W

Standard 75W ceiling fan.

BLDC Energy Saver Fan 30W

5-Star BLDC fan (saves 60% electricity).

Desert / Room Air Cooler 200W

Evaporative air cooler pump and blower.

Refrigerator (250-300L) 150W

Double door 250L-300L frost-free refrigerator.

LED Bulb (9W - 12W) 10W

Standard energy efficient 10W LED bulb.

LED Tube Light (20W) 20W

4-ft LED tube light.

Smart TV (43-55 inch LED) 100W

Full HD / 4K LED Smart TV.

Water Geyser / Heater 2000W

Instant or storage water heater (2000W).

Washing Machine (Fully Automatic) 500W

Front load or top load washing machine.

Induction Cooktop / Stove 1800W

Electric induction stove (1800W).

Water Pump / Motor (1 HP) 750W

1 HP residential water submersible/monoblock pump.

Desktop Computer / Laptop 150W

PC or workstation with monitor.

Microwave Oven 1200W

Convection microwave oven.

☀️ PM Surya Ghar Muft Bijli Yojana

Rooftop Solar ROI & Savings Estimator

See how much money you can save every month by installing rooftop solar panels with Central Government subsidy.

₹
Recommended System
3 kW
Generates ~360 kWh/mo
Monthly Bill Savings
₹2,100
Save ₹25,200/year
Govt Subsidy
₹78,000
PM Surya Ghar Subsidy
Net Investment
₹87,000
After PM Subsidy
Estimated Payback Period
3.4 Years
100% Free Green Electricity Thereafter (25 yr panel life)

Customize Tariff & Charges

Modify slab rates or fixed charges to match your DISCOM bill.
Energy Saving Guide

Practical Ways to Reduce Your Electricity Bill

Simple household adjustments can reduce your monthly power consumption and keep you in lower tariff slabs.

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AC at 24°C–26°C

Each degree higher saves ~6% electricity. Running at 24°C instead of 18°C can lower your monthly cooling bill by ~24%.

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5-Star BLDC Fans

Brushless DC (BLDC) motor fans consume only 28W compared to 75W for traditional ceiling fans, cutting fan power usage by over 60%.

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Kill Standby Vampires

Appliances in standby mode (TVs, set-top boxes, chargers) consume 5–10% idle electricity. Turn them off at the main switch.

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PM Surya Ghar Solar

Residential rooftop solar installations receive up to ₹78,000 in central subsidies, generating free green power with net-metering.

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Geyser & Fridge Care

Clean refrigerator condenser coils annually and set geysers to 50°C with an auto-timer to prevent overheating and energy waste.

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100% LED Lighting

Energy-efficient 9W LED bulbs output the same light as 60W incandescent lamps while consuming 85% less electricity.

Methodology & Breakdown

How Electricity Bill Estimation Works in India

Full Calculation Formula →
01

Telescopic Slabs

Consumed units (kWh) are split into progressive tariff tiers with respective unit rates.

02

Fixed Demand Fees

Monthly fixed charges are calculated per kW (or kVA) of sanctioned load.

03

Surcharges & Duty

Fuel Adjustment Charges (FAC/FPPPA) and state electricity duty percentages are added.

04

Subsidies Applied

State government zero-bill / free unit schemes (e.g. Gruha Jyothi, DERC) are deducted for the final estimate.

State & DISCOM Bill Estimators

View All 36 States & UTs →
TN Tamil Nadu (TNEB) MH Maharashtra (MSEDCL) KA Karnataka (BESCOM) UP Uttar Pradesh (UPPCL) KL Kerala (KSEB) DL Delhi (BSES/TPDDL) TG Telangana (TGSPDCL) GJ Gujarat (UGVCL/DGVCL) PB Punjab (PSPCL) WB West Bengal (WBSEDCL) RJ Rajasthan (JVVNL) MP Madhya Pradesh (MPPKVVCL)
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Tariff Estimation Notice:

All calculations and reports on ElectricityBillcalc.com are estimated models computed according to published State Electricity Regulatory Commission (SERC) tariff schedules for FY 2025-26. Actual utility bills may include municipal taxes, meter rent, arrears, or power factor adjustments. Please verify against your official electricity board invoice.