KSEB Bill Calculator: Work Out Your Electricity Bill From Units
Enter the units on your KSEB bill and see the energy charge slab by slab, the fixed charge and the total. It uses the current KSERC LT-I domestic tariff, valid from 1 April 2025 to 31 March 2027, and handles both monthly and two-monthly bills.
This is an estimate of the tariff charges. Your official KSEB bill is the final amount payable.
Energy charge and fixed charge only. Electricity duty, fuel surcharge, meter rent, arrears and rebates are added separately on your KSEB bill.
Cut this bill with rooftop solar
| Recommended system | 0 kW |
| PM Surya Ghar subsidy | ₹0 |
| Cost after subsidy | ₹0 |
| Pays for itself in | 0 years |
Estimate only, using about 120 units a month per kW and about ₹65,000 per kW installed. The fixed charge stays as it is, because by default it is billed on your total consumption including solar units. Your final figures come after a free site visit.
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Understand Your Kerala Electricity Bill Details
Your KSEB bill includes more information than the total amount payable. Understanding your Kerala electricity bill details can help you see how much electricity you use, which tariff applies and why your bill changes from one billing period to another.
Consumer Number
This identifies your individual KSEB electricity connection. Keep your consumer number available when using official KSEB online services.
Previous Meter Reading
The meter reading recorded for your previous billing cycle.
Current Meter Reading
The latest recorded meter reading for your connection.
Units Consumed
Electricity consumption is generally measured in kilowatt-hours, commonly shown as units. A simple consumption calculation is:
Current meter reading − Previous meter reading = Units consumed
Tariff Category
Residential consumers generally fall under the applicable LT-I domestic category. Different tariff structures apply to commercial, industrial and other categories.
Energy Charge
The energy charge depends on the number of electricity units consumed and the applicable tariff slab.
Fixed Charge
Domestic KSEB bills also include a fixed charge based on consumption level and connection type.
Additional Charges
Depending on the bill and applicable regulations, the final payable amount can also be affected by additional duties, surcharges, adjustments or outstanding balances.
Bill Due Date
Always check the payment due date shown on your official KSEB bill.
Current KSEB Domestic Electricity Tariff in Kerala
The current KSERC LT-I domestic tariff schedule specifies rates applicable from 1 April 2025 to 31 March 2027.
Telescopic Tariff — Monthly Consumption up to 250 Units
| Monthly Consumption | Energy Charge |
|---|---|
| 0 – 50 units | ₹3.35 / unit |
| 51 – 100 units | ₹4.25 / unit |
| 101 – 150 units | ₹5.35 / unit |
| 151 – 200 units | ₹7.20 / unit |
| 201 – 250 units | ₹8.50 / unit |
Non-Telescopic Tariff — Consumption Above 250 Units
| Monthly Consumption | Energy Charge |
|---|---|
| Up to 300 units | ₹6.75 / unit |
| Up to 350 units | ₹7.60 / unit |
| Up to 400 units | ₹7.95 / unit |
| Up to 500 units | ₹8.25 / unit |
| Above 500 units | ₹9.20 / unit |
Fixed charges also vary depending on the monthly consumption band and whether the connection is single-phase or three-phase.
Tariff reference: Kerala State Electricity Regulatory Commission, LT-I Domestic Schedule applicable from 1 April 2025 to 31 March 2027.
How KSEB Bill Calculation Works
A KSEB bill calculation involves more than simply multiplying all electricity units by one rate.
The calculation depends on factors including:
Telescopic KSEB Bill Calculation
For regular domestic consumption within the applicable telescopic range, different portions of electricity consumption are charged according to the respective slabs. For example, a customer using 150 units does not simply pay the 101–150 rate for every unit. Consumption is distributed through the applicable telescopic slabs.
Non-Telescopic KSEB Bill Calculation
When monthly consumption crosses the applicable telescopic range, the non-telescopic tariff structure applies. This means that moving into a higher consumption range can result in a noticeable increase in the overall electricity bill from KSEB. That is why reducing total consumption can have a larger financial impact for higher-usage homes.
Why Is My KSEB Current Bill Higher?
Noticing that your current bill in Kerala is higher than usual? There may be several reasons.
Higher Electricity Consumption
Air conditioners, refrigerators, water heaters, pumps, induction cooktops, electric vehicles and other appliances can increase monthly consumption.
Moving Into a Higher Tariff Range
Higher consumption can move a domestic connection into another tariff category or from telescopic to non-telescopic billing.
Seasonal Changes
Electricity usage can vary significantly throughout the year depending on household occupancy, cooling requirements and appliance usage.
Electricity Duty or Other Applicable Charges
The final amount payable may include charges beyond the basic energy and fixed charges.
Previous Adjustments or Arrears
Outstanding amounts and billing adjustments can also affect your current KSEB bill.
High Bill Inspection Advice: If your official bill appears unusually high, check the units consumed, meter readings, tariff category and billing period before comparing it with the calculator estimate.
How to Check Your KSEB Bill Online
If you want to see your actual current KSEB bill, use the official KSEB Web Self Service platform. The official service provides online facilities for viewing and paying electricity bills and accessing other consumer services.
For Quick Pay, customers can enter the information requested by KSEB and submit it to view the bill before payment.
Important
FGE Solar cannot retrieve or modify your official KSEB bill. The calculator on this page is designed to help users estimate and understand electricity charges. For your exact amount payable, always refer to your official KSEB bill.
Want Us to Verify This Estimate for Your Roof?
An online KSEB calculator can help you understand electricity costs, but the right solar system cannot be determined from the electricity bill alone. FGE Solar can verify your estimate using:
- Your recent KSEB bill
- Roof dimensions
- Roof orientation
- Shading
- Existing electrical system
- Consumption pattern
- Future electricity requirements
- Applicable subsidy eligibility
About the FGE Solar KSEB Bill Calculator
This calculator applies the KSERC LT-I domestic tariff to the units you enter: telescopic slab rates up to 250 units a month, the non-telescopic rate above 250 units, and the fixed charge for your consumption band and connection type. For a two-month bill it uses your average monthly use, as KSEB does, and doubles the result.
Your actual bill can differ because of electricity duty, fuel surcharge, Time-of-Day billing, meter rent, arrears and other adjustments. For the exact amount payable, use the official KSEB Web Self Service platform.