400 units electricity bill in Sikkim
A home in Sikkim that uses 400 units a month pays about ₹1,750 on today’s SSERC tariff (order of 30 June 2026). That is ₹4.38 a unit, with all the charges our calculator adds.
- ₹1,750 a month
- ₹4.38 a unit
- Power Department
How the 400-unit bill adds up
| Slab (units) | Units × rate | Amount |
|---|---|---|
| 1–50 | 50 × ₹2.40 | ₹120.00 |
| 51–100 | 50 × ₹3.40 | ₹170.00 |
| 101–200 | 100 × ₹4.40 | ₹440.00 |
| 201–400 | 200 × ₹4.90 | ₹980.00 |
| Energy charge | ₹1,710.00 | |
| Meter rent | ₹40.00 | |
| Bill | ₹1,750.00 | |
Urban home, default options of the Sikkim calculator, monthly bill. Source: SSERC Tariff Order FY 2026-27 for Power Department, Sikkim.
What changes the bill
- One more unit adds ₹5.40.
- At 350 units the bill is ₹1,505; at 450 units it is ₹2,020.
Where 400 units sit in the Sikkim slabs
The 400 units cross 4 slabs. The last 200 units are in the 201–400 slab, at ₹4.90 a unit. Each extra unit in this slab costs that much.
The first 50 units cost ₹2.40 each.
Of the bill before any scheme, the energy charge is 98%, other lines is 2%.
400 units a month is about 13.3 units a day. The bill is about ₹58 a day.
What this figure includes
- DS is single-read — not used for published figures
- Slabs applied telescopically; the order does not say. FPPAS and duty not included.
Questions
How much is the electricity bill for 400 units in Sikkim?
About ₹1,750 for 400 units a month on the Sikkim 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 Sikkim?
The average is ₹4.38 a unit, with all charges. The last units are charged at ₹4.90 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.