⚡ 100 Units Electricity Bill in India
State-wise monthly cost comparison · FY 2025-26 · All major DISCOMs
₹30
Cheapest (Tamil Nadu)
₹398
Avg (7 states)
₹660
Priciest (Uttar Prad)
📊 100 Units Bill — 7 States
Includes fixed/demand charge. Residential domestic category. FY 2025-26 SERC tariff orders.
| State | DISCOM | Monthly Bill | Full Rates |
|---|---|---|---|
| Delhi | BRPL/BYPL/TPDDL | ₹425 | Full rates → |
| Maharashtra | MSEDCL | ₹263 | Full rates → |
| Karnataka | BESCOM | ₹528 | Full rates → |
| Tamil Nadu cheapest | TANGEDCO | ₹30 | Full rates → |
| Uttar Pradesh priciest | PVVNL/DVVNL | ₹660 | Full rates → |
| Gujarat | DGVCL/MGVCL | ₹267 | Full rates → |
| Rajasthan | JDVVNL/AVVNL | ₹616 | Full rates → |
🧮 Calculate Your Bill
Full Calculator — all states, appliance-wise, solar ROI →🏠 Who Uses 100 Units per Month?
Typical household: 4–5 LED lights, 2 fans, CRT/small LED TV (4 hr), basic 165L fridge. 1BHK without AC.
💡 Tips to Reduce a 100-Unit Monthly Bill
- →A 5-star fridge uses 30–40% less energy than 3-star. Payback in 2–3 years.
- →Set your fridge temperature to 3–4°C (not colder) — saves 5% per degree.
- →Use natural light during day hours — reduces lighting load by 40–60%.
- →Check if your state offers subsidised connections — Delhi, Tamil Nadu, Karnataka have generous schemes.
❓ FAQ — 100 Units Electricity Bill India
How much is the electricity bill for 100 units per month in India?
The bill for 100 units varies by state. Tamil Nadu: ₹30 (first 100 units FREE), Gujarat: ₹267, Maharashtra: ₹263, Delhi: ₹425, UP: ₹660, Karnataka: ₹528, Rajasthan: ₹616. National average across major states: approximately ₹398/month including fixed charges.
Which state has the cheapest electricity at 100 units?
Tamil Nadu (TANGEDCO) has the cheapest electricity at 100 units — ₹30/month (first 100 units FREE). Gujarat is the second cheapest at ₹267/month. These states benefit from government subsidies and relatively lower state electricity taxes.
Which state has the most expensive electricity at 100 units?
Uttar Pradesh has the highest bill at 100 units — ₹660/month. High electricity rates in Uttar Pradesh reflect higher cross-subsidies, distribution infrastructure costs, or higher state VAT on power.
How do I reduce my 100 units/month electricity consumption?
A 5-star fridge uses 30–40% less energy than 3-star. Payback in 2–3 years. Set your fridge temperature to 3–4°C (not colder) — saves 5% per degree. At your consumption level, the biggest gains come from: upgrading to BEE 5-star rated appliances and fixing phantom loads.
What is the fixed charge in the electricity bill and why do I pay it even if I use less?
The fixed/demand charge is a monthly fee paid regardless of consumption — it covers grid maintenance, transformer costs, and distribution infrastructure. It ranges from ₹20–₹125/month depending on your state. For 100 units/month consumers, the fixed charge is 79 on average across states.
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