400 units electricity bill in Karnataka
A home in Karnataka that uses 400 units a month pays about ₹2,996 on today’s KERC tariff (order of 27 March 2025). That is ₹7.49 a unit, with all the charges our calculator adds.
- ₹2,996 a month
- ₹7.49 a unit
- BESCOM and other ESCOMs
How the 400-unit bill adds up
| Slab (units) | Units × rate | Amount |
|---|---|---|
| All units (one rate) | 400 × ₹5.80 | ₹2,320.00 |
| Energy charge | ₹2,320.00 | |
| Fixed charge | ₹300.00 | |
| P&G surcharge @ 35 paise/unit | ₹140.00 | |
| Electricity tax @ 9% of energy + fixed | ₹235.80 | |
| Bill | ₹2,995.80 | |
Urban home, default options of the Karnataka calculator, monthly bill. Source: KERC Combined Tariff Order 2025 - APR FY2023-24 and ARR & Retail Supply Tariff for control period FY2025-26 to FY2027-28.
What changes the bill
- One more unit adds ₹6.67.
- At 350 units the bill is ₹2,662; at 450 units it is ₹3,329.
Where 400 units sit in the Karnataka slabs
All 400 units are charged at one rate: ₹5.80 a unit.
Of the bill before any scheme, the energy charge is 77%, the fixed charge is 10%, other lines is 13%.
400 units a month is about 13.3 units a day. The bill is about ₹100 a day.
What this figure includes
- Above 200 units in a month the whole bill is payable under Gruha Jyothi.
- FPPCA and FY25 true-up instalments not included.
- Tax base taken as energy + fixed charges (the Act taxes charges payable for electricity, excluding arrears).
- Gruha Jyothi limit taken as 53 units (new-connection limit). Enter the eligible units printed on your bill for your own figure.
Other bills in Karnataka
400 units in nearby states: Tamil Nadu, Kerala, Telangana, Andhra Pradesh, Puducherry, Lakshadweep.
More for Karnataka
- Karnataka bill calculator
- BESCOM bill calculator
- CESC Mysore bill calculator
- GESCOM bill calculator
- HESCOM bill calculator
- MESCOM bill calculator
- Karnataka unit rate 2026
- Karnataka bill checker
- Why is my Karnataka bill high?
- Karnataka prepaid meter recharge
- Split a Karnataka bill with tenants
- Karnataka tariff history
Questions
How much is the electricity bill for 400 units in Karnataka?
About ₹2,996 for 400 units a month on the Karnataka 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 Karnataka?
The average is ₹7.49 a unit, with all charges. The last units are charged at ₹5.80 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?
Use the appliance calculator to find what uses the most power.