NBPDCL Electricity Bill Calculator
North Bihar Power Distribution Company Ltd.. Accurate slab-wise bill estimate with FAC, duty and fixed charges — for domestic, commercial and industrial consumers.
Calculate Your Electricity Bill
Pick your state, DISCOM and enter units — we do the math exactly the way your DISCOM does.
Tip: Your bill shows this as "units consumed" or "kWh".
Usually 1–5 kW for homes, 5–20 kW for shops.
- BERC issues a common tariff for NBPDCL & SBPDCL.
- Large Bihar Govt subsidy; most domestic consumers pay significantly less than listed slab rates after state subsidy.
NBPDCL Domestic Slab Rates
Effective 2025-04-01. Energy charge structure.
| Slab (units / month) | Energy rate (₹/unit) |
|---|---|
| 1 – 100 | ₹6.10 |
| 101 – 200 | ₹6.95 |
| Above 200 | ₹8.05 |
- Fixed charges
- ₹100/kW/mo
- FAC / FPPCA
- ₹0.35/unit
- Electricity duty
- 6%
- Telescopic
- Yes
Commercial (LT) Rates
| Slab (units / month) | Energy rate (₹/unit) |
|---|---|
| 1 – 100 | ₹6.40 |
| Above 100 | ₹7.70 |
- Fixed charges
- ₹200/kW/mo
- FAC / FPPCA
- ₹0.35/unit
- Electricity duty
- 6%
- Telescopic
- Yes
Industrial (LT) Rates
| Slab (units / month) | Energy rate (₹/unit) |
|---|---|
| Above 0 | ₹6.70 |
- Fixed charges
- ₹250/kW/mo
- FAC / FPPCA
- ₹0.35/unit
- Electricity duty
- 6%
- Telescopic
- No
Sample NBPDCL domestic bills (2026)
Based on a 3 kW sanctioned-load domestic connection. Excludes subsidy. Use the calculator above for exact numbers with your own load and subsidy.
Bill for 100 units
₹1,002
avg ₹10.02/unit
Bill for 150 units
₹1,389
avg ₹9.26/unit
Bill for 200 units
₹1,776
avg ₹8.88/unit
Bill for 250 units
₹2,221
avg ₹8.88/unit
Bill for 300 units
₹2,666
avg ₹8.89/unit
Bill for 400 units
₹3,556
avg ₹8.89/unit
Bill for 500 units
₹4,447
avg ₹8.89/unit
Bill for 750 units
₹6,673
avg ₹8.90/unit
Bill for 1000 units
₹8,899
avg ₹8.90/unit
About NBPDCL
North Bihar Power Distribution Company Ltd. is the distribution licensee serving Bihar — official site linked below. Consumers are billed monthly (bi-monthly in some categories) based on metered units, applicable slab rates, and fixed charges that scale with your sanctioned load.
This page stays synced with the latest tariff order from the state regulator. Every quarter we verify rates against the published order and update accordingly. Last verified: 2026-04-22.
Official website: nbpdcl.co.in
NBPDCL — Common Questions
Answers to the most common electricity bill questions in India.