What is a tariff slab in Pakistani electricity billing?

NEPRA defines progressive rate bands where higher monthly consumption results in higher per-unit charges.

Why does consuming 200 vs 201 units make a big difference?

Some slab boundaries change the rate applied to all units not just the excess, significantly increasing the bill.

What is fuel adjustment charge?

Fuel adjustment charge (FAC) is a monthly variable charge based on generation fuel costs approved by NEPRA.

What is electricity duty?

A provincial tax levied on the electricity consumption amount typically ranging from 1.5% to 2%.

What is a protected consumer?

Residential consumers using up to 200 units per month may qualify as protected consumers with subsidized rates.

Does this calculate for LESCO or all DISCOs?

NEPRA tariff slabs apply uniformly across all DISCOs (LESCO, MEPCO, FESCO etc) so calculations apply to all.

How accurate is this estimate?

Very close to actual bills for standard residential consumers. Billing cycles, meter reading errors, and arrears may cause small differences.

What are units in electricity billing?

One unit equals one kilowatt-hour (kWh) of electricity consumed.

How do I find units consumed?

Subtract your previous meter reading from the current reading, or check the units field on your previous bill.

What is GST on electricity bills?

GST is included within the tariff structure. The calculator includes applicable taxes in line items.

Does this include the TV license fee?

Yes. The PTV fee is included as a fixed monthly charge in the bill calculation.

How often does NEPRA change tariff rates?

NEPRA adjusts tariffs periodically. The last update date is shown in the tool. Always verify with NEPRA website for latest rates.

Why does my actual bill differ from the estimate?

Differences arise from billing cycle variations, prior arrears, connection fees, and exact NEPRA monthly adjustments.

Can I calculate commercial bills?

Yes. Select commercial consumer type for commercial tariff slab rates.

A fixed monthly fee charged by the DISCO for use of the electricity meter installed at your premises.

Can I see my consumption trend?

Yes. Enter last 6 months of units in the monthly comparison section to see a bar chart trend.

WAPDA Electricity Bill Calculator Pakistan

Units Consumed (kWh)

Consumer Type

FBR Tax Filer (0% income tax)

Rates based on NEPRA tariff notification. Fuel adjustment and taxes vary monthly. Actual bill may differ due to arrears and meter reading cycles.

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About WAPDA / LESCO Electricity Bill Calculator

WAPDA Bill Calculator estimates monthly electricity bills for LESCO, MEPCO, FESCO, GEPCO, PESCO, QESCO, and other DISCO consumers using current NEPRA approved tariff slabs. Pakistan\'s electricity billing is complex: residential consumers are charged at progressive slab rates where higher consumption triggers higher per-unit rates across the entire bill, not just the excess units. This tool breaks down exactly how many units fall in each slab and what each slab costs, then adds fuel adjustment charges, electricity duty, income tax, TV license fee, and meter rent as separate line items so the total is fully explained.

Key Features

Slab-Wise Breakdown
Shows exactly how many units fall in each rate slab and the cost per slab for full transparency.
All Consumer Types
Supports residential, commercial, industrial, and agricultural consumer categories.
Additional Charges
Includes fuel adjustment charges, electricity duty, income tax, TV fee, and meter rent as named line items.
Monthly Comparison Chart
Enter 6 months of units to see a consumption trend bar chart.
Protected and Unprotected Slabs
Correctly handles protected consumer status for low-income residential billing.
Tariff Update Date
Shows when tariff rates were last updated with disclaimer about actual billing variation.

How to Use

1
Enter units consumed
Find the units (kWh) on your previous bill or electricity meter reading.
2
Select consumer type
Choose residential, commercial, industrial, or agricultural.
3
Review slab breakdown
See how your units are distributed across NEPRA tariff slabs and the cost per slab.
4
Check total charges
Review energy charges plus all additional fixed charges summed to total bill estimate.
5
Optional: enter 6-month history
Enter last 6 months of units to see consumption trend.

Real-World Use Cases

Bill Arrival Estimation

A homeowner estimates the upcoming bill amount before it arrives to plan monthly budget.

Consumption Optimization

A family uses the slab breakdown to understand how much reducing from 350 to 300 units would save.

Tenant Billing Verification

A landlord verifies whether the electricity charges passed to a tenant are accurate using the slab calculator.

Frequently Asked Questions

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