Bihar Electricity Bill Calculator 2026 & DISCOM Tariffs (2026-27)
Calculate your provisional electricity bill for any of Bihar's 2 distribution companies — NBPDCL, SBPDCL — with a full slab-wise breakdown for 2026-27, covering Muzaffarpur, Darbhanga, Begusarai, Bhagalpur, Purnia, etc. and more.
Open the Bihar bill calculator →
Electricity DISCOMs in Bihar
Select your distribution company to see its 2026-27 tariff schedule, service area and an indicative monthly bill.
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Frequently asked questions
How is the electricity bill calculated in Bihar?
Bihar bills combine slab-wise energy charges, a fixed/demand charge per kW (or kVA), a fuel & power purchase adjustment (FPPA) and electricity duty. Use our free calculator to get an itemised provisional bill for your DISCOM.
Which electricity distribution company serves my area in Bihar?
Bihar is served by 2 DISCOMs: NBPDCL (North Bihar — Muzaffarpur, Darbhanga, Begusarai); SBPDCL (South Bihar — Patna, Gaya, Nalanda). Open your DISCOM above for its full tariff and an indicative bill.
What is the cheapest domestic electricity rate in Bihar?
The lowest domestic energy charge across Bihar DISCOMs starts at about ₹7.42 per unit (lowest slab), before fixed charges, FPPA and duty. Exact rates depend on your DISCOM and consumption slab.
What is the current electricity tariff year for Bihar?
The rates shown are for 2026-27 (latest available).
Provisional estimates based on publicly available Bihar tariff orders (source: berc.co.in/images/pdf/tariff-order/2026-27/Tariff_Chart_FY_2026-27.pdf). Verify against your official bill — rates vary by sub-category, slab and city.