Geyser electricity cost in Bihar
What a geyser adds to a Bihar electricity bill in winter, at NBPDCL, SBPDCL’s current slab rates: storage or instant, switched off after use or left on.
- BEE 2026 geyser star table
- Bihar 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₹128a month, home already on 150 units
Winter cost in Bihar
Bihar bills monthly; the figures include Government of Bihar tariff subsidy, Mukhyamantri Vidyut Upbhokta Sahayata Yojana: 125 units free, on by default in our calculator. 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 | ₹144 | ₹144 |
| 25 L, cold water 10 °C, left on all day | 50 | ₹206 | ₹206 |
| 25 L, cold water 15 °C, switched off after use | 31 | ₹128 | ₹128 |
| 25 L, cold water 15 °C, left on all day | 46 | ₹190 | ₹190 |
| 25 L, cold water 20 °C, switched off after use | 26 | ₹107 | ₹107 |
| 25 L, cold water 20 °C, left on all day | 41 | ₹169 | ₹169 |
| 3 kW instant, 10 min a day | 15 | ₹62 | ₹62 |
| 3 kW instant, 15 min a day | 22 | ₹91 | ₹91 |
| 3 kW instant, 30 min a day | 45 | ₹185 | ₹185 |
Your slab matters
Run the Bihar bill calculator with your winter units. Tariff changes in Bihar.
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