400 units electricity bill in Kerala (KSEB bill)
A home in Kerala that uses 400 units a month pays about ₹3,440 on today’s KSERC tariff (order of 5 December 2024). That is ₹8.60 a unit, with all the charges our calculator adds.
- ₹3,440 a month
- ₹8.60 a unit
- KSEB
How the 400-unit bill adds up
| Slab (units) | Units × rate | Amount |
|---|---|---|
| All units (one rate) | 400 × ₹7.95 | ₹3,180.00 |
| Energy charge | ₹3,180.00 | |
| Fixed charge | ₹260.00 | |
| Bill | ₹3,440.00 | |
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
- Unit 401 adds about ₹153 on its own: above 400 units the bill moves to higher rates. Stay at 400 units or below if you can.
- At 350 units the bill is ₹2,900; at 450 units it is ₹3,998.
Where 400 units sit in the Kerala slabs
All 400 units are charged at one rate: ₹7.95 a unit.
Of the bill before any scheme, the energy charge is 92%, the fixed charge is 8%.
400 units a month is about 13.3 units a day. The bill is about ₹115 a day.
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
400 units in nearby states: Tamil Nadu, Karnataka, Telangana, Andhra Pradesh, Puducherry, Lakshadweep.
Questions
How much is the electricity bill for 400 units in Kerala?
About ₹3,440 for 400 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 400 units in Kerala?
The average is ₹8.60 a unit, with all charges. The last units are charged at ₹7.95 each in the tariff.
How many units a day is 400 units a month?
About 13.3 units a day. One unit is one kWh: a 1,000-watt load for one hour.
How do I lower a 400-unit bill?
Stay at 400 units or below: the bill jumps above that. Use the appliance calculator to find what uses the most power.