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Education

How to Calculate Your Electricity Bill from Meter Reading (Manual Method)

February 7, 2026February 2, 2026 by TNEB Guide Team

Every homeowner should know the manual math. It protects you from meter reading errors. Step 1: Get Your Units Go to your digital meter. Note down the current number (e.g., 5400). Subtract the previous reading from your last bill (e.g., 5000). Step 2: Apply the Formula (The Bucket Method) You don’t pay one rate for … Read more

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🔌 Cost Per Hour (At Your Rate)

Since you crossed 0 units, every hour you run these appliances costs you:
❄️ AC (1.5 Ton) ₹0 / hr
🔥 Geyser ₹0 / hr
🧊 Fridge ₹0 / day
📺 TV + Fan ₹0 / hr

⚡️ Check Another Reading

Enter units to calculate bill.

📊 Your Usage vs. State Average

TN Average Home 300 Units
🏠 You 0 Units
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📊 How is this calculated? (2026 Tariff)

Your bill is calculated based on the TANGEDCO "Telescopic" slab system:

Slab (Units) Rate per Unit
0 - 100 Free (₹0)
101 - 200 ₹2.25
201 - 400 ₹4.50
401 - 500 ₹6.00
501 - 600 ₹8.00
Above 1000 ₹11.00

*Fixed charges may apply based on connection load.

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