Delhi Electricity Bill Calculator (2025/2026 BSES & TPDDL Slabs)
Calculate your monthly power bill for BSES Rajdhani (BRPL), BSES Yamuna (BYPL), and Tata Power Delhi (TPDDL). Includes DERC multi-year tariff slabs and Delhi Government 200-Unit Zero-Bill Subsidy rules.
• 0 to 200 Units: 100% Free electricity (Net ₹0 Bill).
• 201 to 400 Units: 50% subsidy up to a maximum cap of ₹800.
• Above 400 Units: Full commercial-tier tariff applies with no subsidy.
DERC Itemized Bill Statement
How Delhi Electricity Bills & Government Subsidies Work
Electricity distribution across the National Capital Territory of Delhi is managed by private utilities: BSES Rajdhani Power Limited (BRPL), BSES Yamuna Power Limited (BYPL), and Tata Power Delhi Distribution Limited (TPDDL). Residential consumer billing operates under DERC multi-tier telescopic slabs and the Delhi Government's power subsidy scheme.
Mathematical Derivation & Variable Explanations: The Delhi power bill reflects five structured charges and statutory government subsidy waivers.
- Delhi DERC Residential Tariff Formulation:
$$\text{Delhi Bill} = \text{Fixed Demand Charge} + \sum_{i=1}^{4} \left( U_i \times R_i \right) + \text{PPAC} + 8\% \text{ Pension Surcharge} + 5\% \text{ Electricity Duty} - \text{Subsidy}$$DERC Telescopic Energy Slabs: 0–200 Units: ₹3.00/unit; 201–400 Units: ₹4.50/unit; 401–800 Units: ₹6.50/unit; and 800+ Units: ₹7.00/unit.
- Delhi Government Power Subsidy Tiers:
• 0 to 200 Units Consumption: 100% Free Electricity (₹0.00 Bill). Fixed demand charges, PPAC, Pension Trust surcharge, and electricity duty are completely waived by the Delhi Government.• 201 to 400 Units Consumption: Flat 50% Subsidy on energy charges (capped up to a maximum relief of ₹800/month). Fixed charges, PPAC, and taxes remain payable on the net subsidized balance.• Above 400 Units Consumption: Zero Subsidy (0%). Full commercial rates, surcharges, and taxes apply without any governmental discount.
- Power Purchase Adjustment Cost (PPAC): A floating regulatory surcharge approved by DERC (ranging from 16% to 29%) levied on energy charges to hedge DISCOM generation fuel contracts.
- Pension Trust Surcharge (8.0%): An immutable 8.0% surcharge levied on total energy charges former employees of the unbundled Delhi Vidyut Board (DVB).
- Municipal Tax (MCD Tax at 5.0%): Under the Delhi Municipal Corporation Act, a municipal electricity tax of 5% is levied on the net energy charges of all consumer premises located within MCD jurisdictions. This tax is billed by DISCOMs and remitted directly to civic municipal bodies for municipal infrastructure maintenance.
- Direct Benefit Transfer (DBT) Escrow Accounting: For consumers availing Delhi Government power subsidies, the state treasury remits the exact subsidy amount directly into dedicated DISCOM escrow bank accounts. This automated settlement mechanism ensures that zero-bill consumers receive fully cleared monthly statement receipts displaying zero payable balance without accumulating arrears.
- Solar Net Metering & Virtual Net Metering (VNM): Under DERC's progressive Virtual Net Metering guidelines, residents living in multi-story cooperative group housing societies (CGHS) across Delhi can install common rooftop solar systems and allocate proportionate monthly solar generation credits across individual household meters.
Realistic Solved Delhi Electricity Scenarios (2025/2026)
Delhi Electricity DERC Slab & Subsidy Matrix
| Units Consumed | Energy Rate | Gross Bill (Without Subsidy) | Delhi Subsidy Status | Net Amount Payable | Savings from Subsidy |
|---|---|---|---|---|---|
| 100 Units | ₹3.00 / unit | ₹425.00 | 100% Free | ₹0.00 | Save ₹425.00 |
| 200 Units | ₹3.00 / unit | ₹850.00 | 100% Free | ₹0.00 | Save ₹850.00 |
| 300 Units | ₹4.50 / unit | ₹1,550.00 | 50% Energy Discount | ₹875.00 | Save ₹675.00 |
| 400 Units | ₹4.50 / unit | ₹2,250.00 | 50% Energy Discount | ₹1,450.00 | Save ₹800.00 |
| 500 Units | ₹6.50 / unit | ₹3,200.00 | 0% Subsidy (> 400) | ₹3,200.00 | ₹0.00 Subsidy |
Frequently Asked Questions (Delhi Electricity & Subsidy)
How does the 200 units free electricity scheme work in Delhi?
Under Delhi Government policy, residential consumers who opt-in for the power subsidy and consume 200 units or fewer in a billing cycle receive a 100% waiver on all charges (energy charges, fixed charges, PPAC, and government taxes), resulting in a zero rupee (₹0) bill.
What is the electricity subsidy for consumption between 201 and 400 units?
Consumers using between 201 and 400 units receive a 50% subsidy on their total energy charges, capped up to a maximum relief amount of ₹800 per month. Fixed charges, PPAC surcharges, and electricity duty remain payable on the remaining balance.
How can I apply for or renew electricity subsidy in Delhi?
Delhi electricity consumers can opt-in for the power subsidy by giving a missed call or sending a WhatsApp message with their CA Number to the official Delhi Government helpline number 7011311111.
What is PPAC in Delhi electricity bills?
Power Purchase Adjustment Cost (PPAC) is a regulatory surcharge mandated by DERC to compensate DISCOMs for fluctuating generation fuel tariffs. It is calculated as a percentage of your total energy charges and revised quarterly.
What is the 8% Pension Surcharge on Delhi power bills?
The 8.0% Pension Surcharge was mandated by the Supreme Court and DERC to fund the terminal retirement pension trust of former employees of the unbundled Delhi Vidyut Board (DVB).
Are my Delhi CA numbers or consumption records saved on your servers?
No. BuyWiseHub operates with 100% client-side privacy. All Delhi electricity bill computations and subsidy estimations execute entirely within your local browser memory via JavaScript with zero server tracking.