400 units electricity bill in Delhi
A home in Delhi that uses 400 units a month pays about ₹971 on today’s DERC tariff (order of 30 September 2021). That is ₹2.43 a unit, with all the charges our calculator adds.
- ₹971 a month
- ₹2.43 a unit
- BRPL, BYPL, TPDDL
How the 400-unit bill adds up
| Slab (units) | Units × rate | Amount |
|---|---|---|
| 1–200 | 200 × ₹3.00 | ₹600.00 |
| 201–400 | 200 × ₹4.50 | ₹900.00 |
| Energy charge | ₹1,500.00 | |
| Fixed charge | ₹40.00 | |
| Regulatory asset surcharge 8% | ₹123.20 | |
| Pension trust surcharge 7% | ₹107.80 | |
| Government of NCT of Delhi electricity subsidy | −₹800.00 | |
| Bill | ₹971.00 | |
Urban home, default options of the Delhi calculator, monthly bill. Source: DERC Tariff Order FY 2021-22 (latest tariff schedule; tariffs unchanged since).
What changes the bill
- The Government of NCT of Delhi electricity subsidy takes ₹800 off. Before it, the bill is ₹1,771.
- Unit 401 adds about ₹807 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 ₹712; at 450 units it is ₹2,145.
Where 400 units sit in the Delhi slabs
The 400 units cross 2 slabs. The last 200 units are in the 201–400 slab, at ₹4.50 a unit. Each extra unit in this slab costs that much.
The first 200 units cost ₹3.00 each.
Of the bill before any scheme, the energy charge is 85%, the fixed charge is 2%.
400 units a month is about 13.3 units a day. The bill is about ₹32 a day.
What this figure includes
- Tariff from DERC's FY 2021-22 schedule, still in force.
- FPPAS (capped at 10%) and electricity tax not included.
Other bills in Delhi
400 units in nearby states: Rajasthan, Uttar Pradesh, Punjab, Haryana, Jammu & Kashmir, Uttarakhand, Himachal Pradesh, Chandigarh.
Questions
How much is the electricity bill for 400 units in Delhi?
About ₹971 for 400 units a month on the Delhi 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 Delhi?
The average is ₹2.43 a unit, with all charges. The last units are charged at ₹4.50 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.