KSERC sets these tariffs, and they get revised from time to time, so what you paid last year isn't always what you'll pay now. For domestic LT-1A connections, the rate structure is telescopic, meaning you don't pay one flat rate for all your units. Instead, your first 50 units cost less per unit than your next 50, and so on, up to 250 units a month. Cross that 250-unit mark and the whole calculation flips to a flat non-telescopic rate applied across everything you used. It trips a lot of people up because they assume it works the same way the whole time, but it doesn't. That's exactly the calculation our KSEB Bill Calculator handles for you automatically.
How to calculate KSEB bill online?
It's honestly pretty quick once you know your units. KSEB bills you every two months for a domestic connection, so what we do is take your total units, split them by two to get a monthly figure, then run that through the telescopic slabs: energy charge, fixed charge, 10% duty on top, fuel surcharge, and the subsidy if you qualify. You'll see the whole thing broken down in a report the moment you hit calculate.
What is the current KSEB LT-1A Domestic electricity tariff slab rate in Kerala for 2026?
As of now, KSERC's approved rates for domestic LT-1A work out to ₹3.25 a unit for your first 50, then ₹4.05 for the next 50, ₹5.10 up to 150, ₹6.95 up to 200, and ₹8.20 for units between 201 and 250, all monthly. Go past 250 units in a month and you stop getting the slab treatment altogether; the whole consumption gets billed at a flat non-telescopic rate instead, somewhere between ₹6.40 and ₹9.50 depending on the tier.
How does KSEB bi-monthly electricity bill calculation work in Kerala?
Since the meter's only read once every two months, KSEB can't directly apply monthly slabs to a bi-monthly number, so they divide your total by two first. That gives them a monthly consumption figure, which they run through the telescopic rates and monthly fixed charge like normal. Once that's calculated, they just double it back to cover the full two-month period. It sounds roundabout, but it's the fairest way to keep the slab pricing consistent regardless of billing frequency.
Who is eligible for KSEB Fixed Charge (FC) and Energy Charge (EC) Govt Subsidies?
This one catches people off guard because it's not something you sign up for, it just kicks in if you qualify. If your household is using 100 units or less a month (200 or under for the two-month cycle), the government covers part of your bill: ₹20 off your monthly fixed charge and ₹0.42 off every unit you consume. Go over that limit even slightly and you lose the subsidy entirely for that cycle, so it's worth keeping an eye on your usage if you're close to the line.
What is 10% Electricity Duty in KSEB bill calculation?
That extra 10% you see on your bill isn't KSEB keeping the money, it's a state tax, collected under the Kerala Electricity Duty Act, on top of whatever your energy charges come to (fuel surcharge included). So if your energy charge for the cycle comes to ₹1,000, expect another ₹100 added just for duty. It's not optional and it applies to every connection type.
What is Fixed Charge (FC) in KSEB bill for Single Phase and Three Phase connections?
Fixed Charge is what you pay KSEB for keeping the grid running to your house, regardless of how much electricity you end up using. Even if your usage is zero, this charge still applies. For a single phase domestic connection it ranges from ₹40 a month at the lowest tier up to ₹160 once you're past 250 units. Three phase connections cost more across the board, starting at ₹110 and going up to ₹300 at the top tier.
What is Fuel Surcharge in KSEB electricity bill?
This is the part of your bill that covers what it costs KSEB to purchase power, especially from thermal sources, where fuel prices swing around a lot. Rather than showing it as a separate line, it gets folded directly into your Energy Charge (EC) figure on the official bill, so most people don't even realize it's in there.
How to calculate KSEB bill for Commercial (LT-7A) and Industrial (LT-4A) connections?
Different rules apply once you're not a household connection. LT-7A covers commercial spaces (shops, offices, hotels) and LT-4A covers industrial setups like workshops and small factories. Both skip the telescopic slabs entirely and use a flat rate instead, usually somewhere around ₹6.50 to ₹7.80 per unit, plus a fixed charge based on your sanctioned load in kW. If that's your situation, switch over to Advanced Mode above and put in your connected load, that's where this calculation lives.
How to check and pay KSEB bill online through KSEB Quick Pay portal?
You've got a couple of options. The official KSEB site at kseb.in has payment options, or you can go straight to the Quick Pay portal at bills.kseb.in. Either way, you'll need your 13-digit Consumer Number, which is printed right on your physical bill. Worth checking your amount against our calculator first so you know roughly what to expect before you pay. UPI, cards, and net banking are all supported.
How does KSEB Solar Net Metering bill calculation work for rooftop solar owners?
If you've got solar panels on your roof, net metering works like a running tally between what you send to the grid and what you pull from it. When you're drawing more than you're sending back, you only get charged for the difference plus your usual fixed charges. But if you happen to export more than you import in a given month, you don't lose that surplus; it just carries forward as credit to your next billing cycle instead of going to waste.
