KSEB bills homes every two months, but the slabs use your monthly average. Up to 250 units a month you pay telescopic rates (₹3.35 for the first 50 units, rising to ₹8.50 for 201-250). Above 250 units a month, every unit is charged at one higher rate (₹6.75 to ₹9.20), so 260 units a month costs far more than 250. Enter the units from your bill to see the energy charge, 10% duty, fixed charge and total.
KSEB bill calculator
Enter the units on your KSEB bill.
Free tool; nothing you type is saved or sent. Built and checked on 29 October 2026. Points marked * come from news or secondary sources; confirm on the official portal or office before you act.
Domestic tariff (LT-1A), 2025-27*
| Monthly use | Rate | How it applies |
|---|---|---|
| 0-50 units | ₹3.35 | Telescopic: each slab at its own rate |
| 51-100 | ₹4.25 | Telescopic |
| 101-150 | ₹5.35 | Telescopic |
| 151-200 | ₹7.20 | Telescopic |
| 201-250 | ₹8.50 | Telescopic |
| Up to 300 (if above 250) | ₹6.75 | Non-telescopic: ALL units at this rate |
| Up to 350 | ₹7.60 | Non-telescopic |
| Up to 400 | ₹7.95 | Non-telescopic |
| Up to 500 | ₹8.25 | Non-telescopic |
| Above 500 | ₹9.20 | Non-telescopic |
Plus: electricity duty of 10% on the energy charge, a fixed charge by phase and consumption slab, and a monthly fuel surcharge set by the KSERC. Rates are as notified by KSERC for 1 April 2025 to 31 March 2027*; check the latest on your bill.
Worked examples (bi-monthly bill)
| Units in 2 months | Monthly average | Energy charge | Approx. total* |
|---|---|---|---|
| 200 | 100 | ₹760 | ₹936 |
| 500 | 250 | ₹2,865 | ₹3,252 |
| 520 | 260 | ₹3,510 (all at ₹6.75) | ₹3,961 |
| 800 | 400 | ₹6,360 | ₹7,096 |
Totals use ₹50 a month fixed charge and no fuel surcharge; your fixed charge may be higher. Going from 500 to 520 units adds about ₹710 to the bill: the 250-unit line matters.
How to read and pay your KSEB bill
- Your bill shows consumer number, previous and present reading, units, energy charge, duty, fixed charge and fuel surcharge.
- Pay on wss.kseb.in (Quick Pay), the KSEB app, UPI apps or at the section office.
- For a wrong reading, file a complaint with the section office or call 1912*.
- Solar rooftop (net metering) users are billed only on net import.
- New connection, name change and load change: on the KSEB website (Wss) with Aadhaar and ownership proof*.
Related: Kerala ration card colours, Gruha Jyothi (Karnataka), bill too high? (Hindi).
KSEB bill: frequently asked questions
How is KSEB bill calculated? Units for two months are averaged per month; up to 250 units a month use telescopic slab rates, above 250 all units use one higher rate. Add 10% duty, fixed charge and fuel surcharge, and double for the 2-month bill.
What is telescopic and non-telescopic in KSEB? Telescopic: each slab is charged at its own rate. Non-telescopic (above 250 units a month): every unit is charged at the rate of the band you fall in.
What is the KSEB rate per unit in 2026? From ₹3.35 (first 50 units) to ₹8.50 (201-250) under telescopic billing, and ₹6.75 to ₹9.20 for all units above 250 a month*.
How can I reduce my KSEB bill? Keep monthly use at or below 250 units: crossing it moves every unit to the higher rate. Shift heavy loads, use 5-star appliances and consider rooftop solar.
Is there free electricity in Kerala? Homes using up to 20 units a month with a connected load below 500 W (mostly BPL) pay no energy charge*.
Sources (checked 29 October 2026): KSERC tariff order for 2025-27 as reported in news and KSEB tariff summaries*. kseb.in and erckerala.org did not open from our cloud server.
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