100 units electricity bill in Kerala (KSEB bill)
A home in Kerala that uses 100 units a month pays about ₹465 on today’s KSERC tariff (order of 5 December 2024). That is ₹4.65 a unit, with all the charges our calculator adds.
- ₹465 a month
- ₹4.65 a unit
- KSEB
How the 100-unit bill adds up
| Slab (units) | Units × rate | Amount |
|---|---|---|
| 1–50 | 50 × ₹3.35 | ₹167.50 |
| 51–100 | 50 × ₹4.25 | ₹212.50 |
| Energy charge | ₹380.00 | |
| Fixed charge | ₹85.00 | |
| Bill | ₹465.00 | |
Urban home, default options of the Kerala calculator, monthly bill. Source: KSERC Tariff Order OP 18/2023 (tariff revision 2024-25 to 2026-27) and Schedule of Tariff.
What changes the bill
- One more unit adds ₹25.35.
- Unit 151 adds about ₹42 on its own: the bill moves to higher rates there. Stay at 150 units or below if you can.
- At 50 units the bill is ₹218; at 150 units it is ₹753.
Where 100 units sit in the Kerala slabs
The 100 units cross 2 slabs. The last 50 units are in the 51–100 slab, at ₹4.25 a unit. Each extra unit in this slab costs that much.
The first 50 units cost ₹3.35 each.
Of the bill before any scheme, the energy charge is 82%, the fixed charge is 18%.
100 units a month is about 3.3 units a day. The bill is about ₹16 a day.
100 units a month in nearby states
100 units a month, priced under each tariff in the region. Kerala is number 6 of 7, from the lowest bill.
| State or UT | Bill a month | Average a unit |
|---|---|---|
| Tamil Nadu | ₹0 | ₹0.00 |
| Telangana | ₹343 | ₹3.42 |
| Andhra Pradesh | ₹370 | ₹3.69 |
| Puducherry | ₹396 | ₹3.96 |
| Lakshadweep | ₹405 | ₹4.05 |
| Kerala | ₹465 | ₹4.65 |
| Karnataka | ₹467 | ₹4.67 |
Urban home, 2 kW, the calculator’s default options, with each state’s own free-unit schemes. States that bill every two or three months are shown per month.
What this figure includes
- Electricity duty (10% of energy, KSEB FAQ) is single-read and not included.
- KSEB bills most homes every two months; enter the monthly average. How KSEB applies monthly slabs to a bi-monthly reading is still to be confirmed.
- Fuel surcharge not included (input not yet published officially).
Other bills in Kerala
100 units in nearby states: Tamil Nadu, Karnataka, Telangana, Andhra Pradesh, Puducherry, Lakshadweep.
Questions
How much is the electricity bill for 100 units in Kerala?
About ₹465 for 100 units a month on the Kerala tariff, with the calculator’s default options. Your load, phase and any monthly fuel charge can change it.
What is the per unit rate for 100 units in Kerala?
The average is ₹4.65 a unit, with all charges. The last units are charged at ₹4.25 each in the tariff.
How many units a day is 100 units a month?
About 3.3 units a day. One unit is one kWh: a 1,000-watt load for one hour.
How do I lower a 100-unit bill?
Stay at 150 units or below: the bill jumps above that. Use the appliance calculator to find what uses the most power.