India Electricity Bill Calculator
Calculate your Indian electricity bill using state-wise DISCOM tariff rates. Supports major states including Maharashtra, Delhi, Tamil Nadu, UP, and Karnataka.
Calculate Your India Electricity Bill
Select your state and enter monthly kWh to calculate your bill.
How Indian Electricity Bills Are Calculated (DISCOM Slab Formula)
Electricity bills across Indian states are calculated using telescopic progressive slab tariffs combined with fixed load charges, fuel adjustment costs, and electricity duty: Technical references and safety provisions are standardized in the Ministry of Power, Government of India National Electricity Tariff Policy.
Key Billing Components:
- Telescopic Slabs: Your consumption is divided across tiered unit blocks (e.g. 0–100, 101–200, 201–300, >300 units), each billed at progressively higher rates per unit (₹/kWh).
- Fixed Charges: Monthly fixed fee charged per kilowatt (kW) of sanctioned connected load (e.g. ₹50 to ₹150 per kW).
- FPPCA (Fuel & Power Purchase Cost Adjustment): Variable per-unit surcharge (₹0.20 to ₹0.85/unit) reflecting coal and gas commodity price variations.
- Electricity Duty / Tax: State government levy (typically 5% to 16% on total energy charges).
Scenario: Calculate the monthly electricity bill for 250 units in Maharashtra with a 3 kW sanctioned load.
Step 2: Slab 2 (101–250 units = 150 units) @ ₹7.34 = $150 \times 7.34 = \mathbf{₹1,101.00}$
Step 3: Total base energy charge: $336 + 1,101 = \mathbf{₹1,437.00}$
Step 4: Fixed charge (3 kW load @ ₹128/month): $\mathbf{₹384.00}$
Step 5: Fuel adjustment (FPPCA @ ₹0.65/unit): $250 \times 0.65 = \mathbf{₹162.50}$
Step 6: State Electricity Duty (16% on energy + fixed): $(1437 + 384) \times 0.16 = \mathbf{₹291.36}$
Total Bill: ₹2,274.86 (approx. ₹2,275)
State-Wise Tariff Slabs & Government Subsidies Comparison
Electricity pricing and welfare subsidies vary substantially across state power distribution utilities: Regulatory guidelines and benchmarking data are published by the PM Surya Ghar: Muft Bijli Yojana Official National Rooftop Solar Portal.
| State / DISCOM | 0–100 Units Rate | 101–200 Units Rate | Above 300 Units Rate | Government Subsidy Scheme |
|---|---|---|---|---|
| Delhi (BRPL / TPDDL) | ₹3.00 / unit | ₹4.50 / unit | ₹6.50 – ₹8.00 | 100% Free up to 200 units; 50% discount up to 400 units. |
| Karnataka (BESCOM) | ₹5.90 / unit | ₹5.90 / unit | ₹7.00 / unit | Gruha Jyothi Scheme: Free up to 200 units (based on historical average). |
| Tamil Nadu (TANGEDCO) | ₹4.50 / unit | ₹4.50 / unit | ₹6.00 – ₹8.00 | 100 Units Free for all residential domestic connections. |
| Maharashtra (MSEDCL) | ₹3.36 / unit | ₹7.34 / unit | ₹10.37 – ₹11.86 | No general consumption subsidy; high industrial cross-subsidies. |
| Uttar Pradesh (UPPCL) | ₹5.50 / unit | ₹6.00 / unit | ₹6.50 – ₹7.00 | Lifeline tariff for rural connections (<100 units). |
Under non-subsidized tariffs, units crossing the 300-unit threshold cost up to 300% more per unit than baseline tiers.
PM Surya Ghar Muft Bijli Yojana (Rooftop Solar) Bill Elimination
Under the national PM Surya Ghar rooftop solar program, households can completely eliminate domestic power bills through bi-directional net metering:
| Solar System Capacity | Average Monthly Generation | Central Government Subsidy | Estimated Monthly DISCOM Savings |
|---|---|---|---|
| 1 kW Rooftop Solar | 120 Units / month | ₹30,000 | ₹800 – ₹1,200 / month |
| 2 kW Rooftop Solar | 240 Units / month | ₹60,000 | ₹1,800 – ₹2,400 / month |
| 3 kW Rooftop Solar | 360 Units / month | ₹78,000 (Max Subsidy) | ₹2,800 – ₹3,800 / month |
| 5 kW Rooftop Solar | 600 Units / month | ₹78,000 (Max Cap) | ₹5,000 – ₹7,000 / month |
Solar energy generated during the day offsets grid consumption. Surplus units are banked on your DISCOM meter, offsetting nighttime AC consumption and reducing bills to the mandatory minimum fixed charge.
Frequently Asked Questions About India Electricity Bills
Which state has the cheapest electricity in India?
Delhi, Goa, and Tamil Nadu generally have the cheapest domestic electricity rates in India. Delhi offers subsidized rates with free electricity for the first 200 kWh. Tamil Nadu provides free power for the first 100 units.
How is the electricity slab rate calculated in India?
Indian DISCOMs use a progressive slab system where different rates apply to different consumption bands. For example, in Maharashtra: first 100 kWh at ₹4.71, next 200 at ₹10.29, next 200 at ₹12.97. Total charges are the sum of each slab.
What is the fuel adjustment charge (FAC)?
FAC is a variable charge that accounts for changes in fuel costs (coal, gas) used to generate electricity. It's applied per kWh and adjusted quarterly. Typical FAC ranges from 5–15 paisa per kWh depending on the state.
What is the average electricity bill in India?
The average Indian household electricity bill is ₹800–₹1,500 per month, corresponding to 150–250 kWh of consumption. Urban households tend to use more (200–400 kWh) due to AC and appliances.
How can I calculate my electricity bill from the meter reading?
Subtract the previous meter reading from the current reading to get kWh consumed. Then apply your state's slab rates to calculate the energy charge. Add fixed charges, fuel adjustment, and electricity duty to get the total bill.
Are solar panels worth it in India?
Yes, rooftop solar is highly cost-effective in India due to abundant sunshine and government subsidies. The PM Surya Ghar scheme provides up to ₹78,000 subsidy for 3 kW systems. A 3 kW system can save ₹1,500–₹2,500/month and pays for itself in 4–5 years.