Geyser electricity cost in Sikkim
What a geyser adds to a Sikkim electricity bill in winter, at Power Department’s current slab rates: storage or instant, switched off after use or left on.
- BEE 2026 geyser star table
- Sikkim tariff and schemes
- Updated 15 October 2026
Inputs, results, working, link and sources, on your device.
25 L, heated once a day31 unitsa month, from 15 °C
Adds to your bill₹136a month, home already on 150 units
Winter cost in Sikkim
Sikkim bills monthly. Storage geyser heated once a day to 50 °C; “left on all day” adds BEE’s 3-star standing loss for 25 L. Duty and fuel surcharge not included.
| Geyser | Units a month | Adds (home on 150 units) | Adds (home on 300 units) |
|---|---|---|---|
| 25 L, cold water 10 °C, switched off after use | 35 | ₹154 | ₹172 |
| 25 L, cold water 10 °C, left on all day | 50 | ₹220 | ₹245 |
| 25 L, cold water 15 °C, switched off after use | 31 | ₹136 | ₹152 |
| 25 L, cold water 15 °C, left on all day | 46 | ₹202 | ₹225 |
| 25 L, cold water 20 °C, switched off after use | 26 | ₹114 | ₹127 |
| 25 L, cold water 20 °C, left on all day | 41 | ₹180 | ₹201 |
| 3 kW instant, 10 min a day | 15 | ₹66 | ₹74 |
| 3 kW instant, 15 min a day | 22 | ₹97 | ₹108 |
| 3 kW instant, 30 min a day | 45 | ₹198 | ₹220 |
Your slab matters
Run the Sikkim bill calculator with your winter units. Tariff changes in Sikkim.
Method and sources
- BEE storage water heater star table 3.5, valid 1 July 2026 to 31 December 2027 (S.O. 5970(E), 23 December 2025): standing loss in kWh per 24 hours
- Water heating: litres × temperature rise × 0.001163 units; set temperature assumed 50 °C