How many free units does TNEB give in 2026?

As per the Tamil Nadu Government order effective May 10, 2026, TNEB (TNPDCL) provides 200 free units per bimonthly billing period for domestic (LT-1B) consumers under the Chief Minister's Free Power Scheme. This was increased from the earlier 100 free units.

How is the TNEB domestic electricity bill calculated?

TNEB domestic bill = Energy charges (slab-wise) + Fixed charge (based on sanctioned load) + Meter rent + Fuel Adjustment Charge (FAC ~12%) + Electricity Duty (5%). If bimonthly consumption ≤ 200 units, the entire bill is ₹0 under the free power scheme.

What are the current TNEB domestic slab rates?

For LT-1B domestic consumers (above 200 free units): 0–200 units: ₹0 (free), 201–500 units: ₹2.35/unit, 501–1000 units: ₹4.70/unit, 1001–2000 units: ₹6.30/unit, 2001–3000 units: ₹7.60/unit, above 3000 units: ₹9.00/unit. Rates as per TNERC 2023 order.

What is FAC in TNEB electricity bill?

FAC stands for Fuel Adjustment Charge. It is a percentage of energy charges added to cover the fluctuating cost of fuel for electricity generation. TNERC reviews and revises FAC every quarter. Currently approximately 12% of energy charges.

What is electricity duty on TNEB bill?

Electricity Duty (ED) is a state government tax levied on electricity consumption. For domestic consumers (LT-1B), ED is 5% of energy charges. For commercial (LT-2) and industrial (LT-3/LT-4) consumers, ED is 15% of energy charges.

Is electricity free for farmers in Tamil Nadu?

Yes. Agricultural consumers (LT-5A and LT-5B) receive free electricity under the Tamil Nadu Government's agricultural pump subsidy scheme. All electricity charges for approved agricultural pump sets are waived.

What is the difference between LT-1A and LT-1B in TNEB?

LT-1A is for huts and below-poverty-line households with lower consumption and concessional rates. LT-1B is the standard domestic residential category covering regular households. LT-1B consumers get 200 free units per bimonthly period under the CM Free Power Scheme.

How to read a TNEB electricity bill?

Your TNEB bill shows: Consumer Number, Meter Number, Billing Period (bimonthly), Previous and Current Reading, Units Consumed, Energy Charges (slab-wise), Fixed Charge, FAC, Electricity Duty, and Total Amount Due. The consumption is the difference between current and previous meter readings.

What is the TNEB commercial electricity rate?

TNEB commercial (LT-2) tariff: 0–50 units at ₹6.00/unit, 51–100 units at ₹7.25/unit, 101–300 units at ₹8.50/unit, 301–500 units at ₹9.50/unit, above 500 units at ₹10.50/unit. Fixed charge is ₹75/kW/month (minimum ₹200). ED is 15%.

How to calculate TNEB bill for above 200 units?

For consumption above 200 units bimonthly: First 200 units = ₹0 (free). Then apply slab rates on excess: e.g., for 350 units → 150 excess units × ₹2.35 = ₹352.50 energy charge. Add fixed charge + FAC (12%) + ED (5%) for total bill.

TNEB EB Bill Calculator 2026 – Tamil Nadu 200 Free Units | All Categories

⚡ Updated May 10, 2026: Tamil Nadu Government increased free electricity from 100 units to 200 units per bimonthly period for all domestic consumers (LT-1B) under the Chief Minister's Free Power Scheme — effective from May 10, 2026. Other tariff rates are based on TNERC Tariff Order 2023. Verify current rates at tnpdcl.gov.in or your electricity bill. Fuel Adjustment Charge varies quarterly.

⚡ Bill Calculator

Consumer Category

Units Consumed (in the billing period)

Enter the total units consumed as shown on your meter reading.

Sanctioned Load (kW)

Enter your contract / sanctioned load in kilowatts (kW).

Pump Size (HP)

Enter the horsepower (HP) rating of your pump set.

Meter Phase

Billing Period

Fuel Adjustment Charge (FAC) Rate

FAC % of energy charges — check your latest bill (currently ~12%). Revised quarterly by TNERC.

📋 Tariff Reference

📄 Bill Breakdown

⚡

Select your consumer category and enter units consumed to calculate your EB bill.

TNEB Domestic Electricity Tariff Slabs 2026 (LT-1B)

The Tamil Nadu Government updated free electricity to 200 units per bimonthly period effective May 10, 2026. Below are the current slab rates for domestic (LT-1B) consumers.

Units (Bimonthly)	Rate per Unit	Notes
0 – 200 units	₹0.00	FREE — CM Free Power Scheme (w.e.f. May 10, 2026)
201 – 500 units	₹2.35	Charged on units above 200
501 – 1000 units	₹4.70	Higher consumption slab
1001 – 2000 units	₹6.30
2001 – 3000 units	₹7.60
Above 3000 units	₹9.00	Very high consumption

Additional charges: Fixed Charge (₹20–₹150/bimonth based on sanctioned load) + FAC (~12% of energy charges, revised quarterly) + Electricity Duty (5%) + Meter Rent (₹15–₹25). Source: TNERC Tariff Order 2023; Free unit update per TN Govt order May 10, 2026.

Tamil Nadu EB Bill Calculator

TNEB Domestic Electricity Tariff Slabs 2026 (LT-1B)

Frequently Asked Questions — TNEB Bill Calculator