Most Tamil Nadu homes pay more than they should because they don't know which tariff slab they're in. If you use under 100 units/month, you get free electricity under the TN government scheme. Here's how to check and optimize...
Key tips: Switch to LED bulbs (saves 75%), use AC at 24°C not 20°C (saves 30%), run washing machine at full load only, turn off geyser after 10 mins.
💰 Save MoneyThe Tamil Nadu government offers FREE electricity for the first 100 units every month to consumers who use 100 units or less. This means if your monthly consumption stays under 100 units, your bill is ₹0. Here's how it works...
Eligibility: All domestic consumers using ≤100 units/month. No application needed — it's automatic. Check your bill: if "units consumed" is under 100, you should see zero charges.
🏛️ Government SchemeTNEB schedules maintenance for each substation monthly. If your area seems to get cuts every week, it's because nearby substations take turns. Each substation serves 5-15 localities, and maintenance is rotated across them...
Typical pattern: Monthly maintenance = one 5-hour cut per substation. If 4 substations serve your general area, you might see a cut every week (different substation each time).
📚 Understand EBIf your area gets 2+ power cuts per month, backup power isn't a luxury — it's essential. Here's a comparison based on typical Tamil Nadu usage patterns...
Quick guide: 1-2 cuts/month → UPS (₹3,000). 4+ cuts/month → Inverter + battery (₹8,000-15,000). Daily cuts → Solar panels (₹50,000+ but ₹0 bills forever).
🔋 Backup PowerUnderstanding your electricity bill slab can save you money. Tamil Nadu uses a telescopic tariff — the rate per unit increases as you use more. Here's the 2026 slab structure for domestic consumers...
Slabs: 0-100 units: Free | 101-200: ₹1.50/unit | 201-500: ₹2/unit | 500+: ₹3.50/unit | Above 1000: ₹5.50/unit
📊 Bill Guide